/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loop-invgen/up.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-13 10:51:18,816 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-13 10:51:18,819 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-13 10:51:18,843 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-13 10:51:18,844 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-13 10:51:18,845 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-13 10:51:18,846 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-13 10:51:18,848 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-13 10:51:18,850 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-13 10:51:18,850 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-13 10:51:18,851 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-13 10:51:18,852 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-13 10:51:18,853 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-13 10:51:18,854 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-13 10:51:18,855 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-13 10:51:18,856 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-13 10:51:18,857 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-13 10:51:18,861 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-13 10:51:18,863 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-13 10:51:18,865 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-13 10:51:18,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-13 10:51:18,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-13 10:51:18,875 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-13 10:51:18,876 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-13 10:51:18,880 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-13 10:51:18,880 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-13 10:51:18,881 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-13 10:51:18,882 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-13 10:51:18,883 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-13 10:51:18,886 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-13 10:51:18,886 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-13 10:51:18,887 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-13 10:51:18,887 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-13 10:51:18,896 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-13 10:51:18,897 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-13 10:51:18,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-13 10:51:18,898 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-13 10:51:18,898 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-13 10:51:18,899 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-13 10:51:18,899 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-13 10:51:18,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-13 10:51:18,901 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-13 10:51:18,925 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-13 10:51:18,926 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-13 10:51:18,927 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-13 10:51:18,927 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-13 10:51:18,927 INFO L138 SettingsManager]: * Use SBE=true [2020-10-13 10:51:18,928 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-13 10:51:18,928 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-13 10:51:18,928 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-13 10:51:18,928 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-13 10:51:18,928 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-13 10:51:18,928 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-13 10:51:18,929 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-13 10:51:18,929 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-13 10:51:18,929 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-13 10:51:18,929 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-13 10:51:18,929 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-13 10:51:18,930 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-13 10:51:18,930 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-13 10:51:18,930 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-13 10:51:18,930 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-13 10:51:18,930 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-13 10:51:18,931 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 10:51:18,931 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-13 10:51:18,931 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-13 10:51:18,931 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-13 10:51:18,931 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-13 10:51:18,932 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-13 10:51:18,932 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-13 10:51:18,932 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-13 10:51:18,932 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true;unknown-allowed=true; [2020-10-13 10:51:19,263 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-13 10:51:19,282 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-13 10:51:19,286 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-13 10:51:19,288 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-13 10:51:19,289 INFO L275 PluginConnector]: CDTParser initialized [2020-10-13 10:51:19,290 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/up.i [2020-10-13 10:51:19,350 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/387dbadcc/2b499978b6974608abacaa2956ee50e7/FLAG3f3909f35 [2020-10-13 10:51:19,732 INFO L306 CDTParser]: Found 1 translation units. [2020-10-13 10:51:19,733 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-invgen/up.i [2020-10-13 10:51:19,739 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/387dbadcc/2b499978b6974608abacaa2956ee50e7/FLAG3f3909f35 [2020-10-13 10:51:20,175 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/387dbadcc/2b499978b6974608abacaa2956ee50e7 [2020-10-13 10:51:20,184 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-13 10:51:20,186 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-13 10:51:20,187 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-13 10:51:20,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-13 10:51:20,191 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-13 10:51:20,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:51:20" (1/1) ... [2020-10-13 10:51:20,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@592ec0fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:51:20, skipping insertion in model container [2020-10-13 10:51:20,195 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 10:51:20" (1/1) ... [2020-10-13 10:51:20,204 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-13 10:51:20,221 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-13 10:51:20,402 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 10:51:20,408 INFO L203 MainTranslator]: Completed pre-run [2020-10-13 10:51:20,422 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-13 10:51:20,434 INFO L208 MainTranslator]: Completed translation [2020-10-13 10:51:20,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:51:20 WrapperNode [2020-10-13 10:51:20,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-13 10:51:20,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-13 10:51:20,436 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-13 10:51:20,436 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-13 10:51:20,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:51:20" (1/1) ... [2020-10-13 10:51:20,450 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:51:20" (1/1) ... [2020-10-13 10:51:20,530 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:51:20" (1/1) ... [2020-10-13 10:51:20,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:51:20" (1/1) ... [2020-10-13 10:51:20,535 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:51:20" (1/1) ... [2020-10-13 10:51:20,542 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:51:20" (1/1) ... [2020-10-13 10:51:20,543 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:51:20" (1/1) ... [2020-10-13 10:51:20,556 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-13 10:51:20,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-13 10:51:20,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-13 10:51:20,557 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-13 10:51:20,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:51:20" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-13 10:51:20,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-13 10:51:20,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-13 10:51:20,635 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-13 10:51:20,635 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-13 10:51:20,635 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-13 10:51:20,636 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-13 10:51:20,636 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-13 10:51:20,637 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-13 10:51:20,637 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-13 10:51:20,637 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-13 10:51:20,638 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-13 10:51:20,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-13 10:51:20,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-13 10:51:20,872 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-13 10:51:20,872 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-13 10:51:20,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:51:20 BoogieIcfgContainer [2020-10-13 10:51:20,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-13 10:51:20,878 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-13 10:51:20,878 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-13 10:51:20,882 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-13 10:51:20,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 10:51:20" (1/3) ... [2020-10-13 10:51:20,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31ea8de4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:51:20, skipping insertion in model container [2020-10-13 10:51:20,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 10:51:20" (2/3) ... [2020-10-13 10:51:20,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31ea8de4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 10:51:20, skipping insertion in model container [2020-10-13 10:51:20,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 10:51:20" (3/3) ... [2020-10-13 10:51:20,886 INFO L109 eAbstractionObserver]: Analyzing ICFG up.i [2020-10-13 10:51:20,899 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-13 10:51:20,908 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-13 10:51:20,935 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-13 10:51:20,988 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-13 10:51:20,988 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-13 10:51:20,988 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-13 10:51:20,989 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-13 10:51:20,989 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-13 10:51:20,989 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-13 10:51:20,989 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-13 10:51:20,989 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-13 10:51:21,012 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2020-10-13 10:51:21,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-13 10:51:21,018 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:51:21,019 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:51:21,019 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:51:21,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:51:21,026 INFO L82 PathProgramCache]: Analyzing trace with hash 1350782609, now seen corresponding path program 1 times [2020-10-13 10:51:21,033 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:51:21,034 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1058090577] [2020-10-13 10:51:21,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:51:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:21,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:21,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:21,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-13 10:51:21,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:21,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-13 10:51:21,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:21,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-13 10:51:21,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:51:21,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-13 10:51:21,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 10:51:21,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:51:21,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:21,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:21,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:21,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:51:21,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:21,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:51:21,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:21,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:51:21,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:21,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:51:21,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:21,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 10:51:21,328 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1058090577] [2020-10-13 10:51:21,330 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:51:21,331 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-13 10:51:21,332 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1449453620] [2020-10-13 10:51:21,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-13 10:51:21,337 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:51:21,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-13 10:51:21,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-13 10:51:21,356 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 5 states. [2020-10-13 10:51:21,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:51:21,469 INFO L93 Difference]: Finished difference Result 39 states and 50 transitions. [2020-10-13 10:51:21,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-13 10:51:21,471 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-10-13 10:51:21,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:51:21,479 INFO L225 Difference]: With dead ends: 39 [2020-10-13 10:51:21,479 INFO L226 Difference]: Without dead ends: 17 [2020-10-13 10:51:21,483 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-10-13 10:51:21,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-10-13 10:51:21,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-10-13 10:51:21,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-10-13 10:51:21,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2020-10-13 10:51:21,517 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 12 [2020-10-13 10:51:21,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:51:21,518 INFO L479 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2020-10-13 10:51:21,518 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-13 10:51:21,518 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2020-10-13 10:51:21,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-13 10:51:21,519 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:51:21,519 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:51:21,520 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-13 10:51:21,520 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:51:21,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:51:21,521 INFO L82 PathProgramCache]: Analyzing trace with hash 1102617944, now seen corresponding path program 1 times [2020-10-13 10:51:21,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:51:21,522 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1423731371] [2020-10-13 10:51:21,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:51:21,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:21,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:21,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:21,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-13 10:51:21,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:21,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-13 10:51:21,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:21,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-13 10:51:21,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:51:21,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-13 10:51:21,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:21,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:51:21,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:21,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:21,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:21,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:51:21,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:21,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:21,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:21,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:51:21,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:21,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:51:21,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:21,722 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 10:51:21,722 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1423731371] [2020-10-13 10:51:21,723 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-13 10:51:21,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-13 10:51:21,723 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52394239] [2020-10-13 10:51:21,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-13 10:51:21,725 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:51:21,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-13 10:51:21,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-13 10:51:21,726 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand 6 states. [2020-10-13 10:51:21,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:51:21,783 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2020-10-13 10:51:21,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 10:51:21,784 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-10-13 10:51:21,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:51:21,786 INFO L225 Difference]: With dead ends: 29 [2020-10-13 10:51:21,787 INFO L226 Difference]: Without dead ends: 27 [2020-10-13 10:51:21,788 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 10:51:21,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-10-13 10:51:21,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 23. [2020-10-13 10:51:21,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-10-13 10:51:21,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2020-10-13 10:51:21,799 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 13 [2020-10-13 10:51:21,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:51:21,800 INFO L479 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2020-10-13 10:51:21,800 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-13 10:51:21,800 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2020-10-13 10:51:21,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-13 10:51:21,801 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:51:21,801 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:51:21,801 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-13 10:51:21,802 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:51:21,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:51:21,802 INFO L82 PathProgramCache]: Analyzing trace with hash -1600448974, now seen corresponding path program 1 times [2020-10-13 10:51:21,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:51:21,803 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1091831186] [2020-10-13 10:51:21,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:51:21,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:21,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:21,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:21,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-13 10:51:21,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:21,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-10-13 10:51:21,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:21,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-13 10:51:21,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:51:21,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-13 10:51:21,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:22,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:51:22,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:22,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:22,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:22,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:51:22,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:22,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:22,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:22,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:51:22,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:22,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:51:22,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:22,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-13 10:51:22,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:22,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:22,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:22,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:22,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:22,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 10:51:22,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:22,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:22,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:22,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:22,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:22,036 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 10:51:22,037 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1091831186] [2020-10-13 10:51:22,037 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:51:22,037 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 10:51:22,038 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [870897608] [2020-10-13 10:51:22,038 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 10:51:22,038 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:51:22,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 10:51:22,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-13 10:51:22,039 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand 7 states. [2020-10-13 10:51:22,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:51:22,145 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2020-10-13 10:51:22,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 10:51:22,146 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2020-10-13 10:51:22,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:51:22,149 INFO L225 Difference]: With dead ends: 38 [2020-10-13 10:51:22,149 INFO L226 Difference]: Without dead ends: 24 [2020-10-13 10:51:22,150 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2020-10-13 10:51:22,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-10-13 10:51:22,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-10-13 10:51:22,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-10-13 10:51:22,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2020-10-13 10:51:22,157 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 20 [2020-10-13 10:51:22,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:51:22,157 INFO L479 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2020-10-13 10:51:22,157 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 10:51:22,157 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2020-10-13 10:51:22,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-13 10:51:22,158 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:51:22,158 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:51:22,159 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-13 10:51:22,159 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:51:22,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:51:22,159 INFO L82 PathProgramCache]: Analyzing trace with hash -1479234055, now seen corresponding path program 2 times [2020-10-13 10:51:22,160 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:51:22,160 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1070257770] [2020-10-13 10:51:22,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:51:22,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:22,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:22,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:22,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-13 10:51:22,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:22,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-13 10:51:22,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:22,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-13 10:51:22,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:51:22,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-13 10:51:22,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:22,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:51:22,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:22,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:22,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:22,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:51:22,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:22,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:22,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:22,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:51:22,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:22,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:51:22,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:22,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 10:51:22,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:22,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:22,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:22,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:22,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:22,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:51:22,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:22,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:22,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:22,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:22,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:22,381 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-13 10:51:22,382 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1070257770] [2020-10-13 10:51:22,382 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:51:22,382 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-13 10:51:22,382 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338385271] [2020-10-13 10:51:22,383 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-13 10:51:22,383 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:51:22,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-13 10:51:22,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-13 10:51:22,384 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 7 states. [2020-10-13 10:51:22,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:51:22,442 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2020-10-13 10:51:22,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-13 10:51:22,443 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2020-10-13 10:51:22,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:51:22,444 INFO L225 Difference]: With dead ends: 37 [2020-10-13 10:51:22,444 INFO L226 Difference]: Without dead ends: 35 [2020-10-13 10:51:22,445 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-13 10:51:22,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-13 10:51:22,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 31. [2020-10-13 10:51:22,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-10-13 10:51:22,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2020-10-13 10:51:22,453 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 21 [2020-10-13 10:51:22,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:51:22,454 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2020-10-13 10:51:22,454 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-13 10:51:22,454 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2020-10-13 10:51:22,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-13 10:51:22,455 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:51:22,455 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:51:22,456 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-13 10:51:22,456 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:51:22,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:51:22,456 INFO L82 PathProgramCache]: Analyzing trace with hash -899006863, now seen corresponding path program 3 times [2020-10-13 10:51:22,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:51:22,457 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [160026765] [2020-10-13 10:51:22,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:51:22,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:22,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:22,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:22,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-13 10:51:22,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:22,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 110 [2020-10-13 10:51:22,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:22,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-13 10:51:22,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:51:22,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-13 10:51:22,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:22,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:51:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:22,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:22,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:22,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:51:22,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:22,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:22,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:22,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:51:22,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:22,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:51:22,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:22,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-13 10:51:22,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:22,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:22,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:22,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:22,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:22,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 10:51:22,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:22,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:22,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:22,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:22,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:22,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-13 10:51:22,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:22,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:22,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:22,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:22,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:22,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 10:51:22,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:22,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:22,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:22,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:22,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:22,711 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-13 10:51:22,712 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [160026765] [2020-10-13 10:51:22,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:51:22,713 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 10:51:22,713 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1184559731] [2020-10-13 10:51:22,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 10:51:22,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:51:22,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 10:51:22,717 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-13 10:51:22,717 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand 9 states. [2020-10-13 10:51:22,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:51:22,848 INFO L93 Difference]: Finished difference Result 49 states and 53 transitions. [2020-10-13 10:51:22,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 10:51:22,849 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 28 [2020-10-13 10:51:22,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:51:22,850 INFO L225 Difference]: With dead ends: 49 [2020-10-13 10:51:22,850 INFO L226 Difference]: Without dead ends: 32 [2020-10-13 10:51:22,851 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-10-13 10:51:22,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-13 10:51:22,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-10-13 10:51:22,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-13 10:51:22,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2020-10-13 10:51:22,866 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 28 [2020-10-13 10:51:22,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:51:22,867 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2020-10-13 10:51:22,867 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 10:51:22,867 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2020-10-13 10:51:22,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-13 10:51:22,868 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:51:22,868 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:51:22,869 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-13 10:51:22,869 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:51:22,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:51:22,869 INFO L82 PathProgramCache]: Analyzing trace with hash 659496760, now seen corresponding path program 4 times [2020-10-13 10:51:22,869 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:51:22,870 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [120175460] [2020-10-13 10:51:22,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:51:22,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:22,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:22,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:22,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-13 10:51:22,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:22,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 90 [2020-10-13 10:51:22,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:22,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-13 10:51:22,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:51:22,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-13 10:51:22,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:23,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:51:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:23,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:23,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:23,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:51:23,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:23,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:23,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:23,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:51:23,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:23,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:51:23,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:23,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 10:51:23,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:23,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:23,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:23,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:23,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:23,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:51:23,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:23,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:23,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:23,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:23,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:23,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 10:51:23,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:23,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:23,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:23,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:23,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:23,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:51:23,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:23,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:23,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:23,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:23,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:23,058 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-13 10:51:23,059 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [120175460] [2020-10-13 10:51:23,059 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:51:23,059 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-13 10:51:23,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754866952] [2020-10-13 10:51:23,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-13 10:51:23,060 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:51:23,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-13 10:51:23,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-13 10:51:23,061 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand 8 states. [2020-10-13 10:51:23,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:51:23,134 INFO L93 Difference]: Finished difference Result 45 states and 47 transitions. [2020-10-13 10:51:23,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-13 10:51:23,134 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2020-10-13 10:51:23,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:51:23,136 INFO L225 Difference]: With dead ends: 45 [2020-10-13 10:51:23,136 INFO L226 Difference]: Without dead ends: 43 [2020-10-13 10:51:23,137 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-13 10:51:23,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-13 10:51:23,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 39. [2020-10-13 10:51:23,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-13 10:51:23,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 40 transitions. [2020-10-13 10:51:23,145 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 40 transitions. Word has length 29 [2020-10-13 10:51:23,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:51:23,145 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 40 transitions. [2020-10-13 10:51:23,145 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-13 10:51:23,146 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2020-10-13 10:51:23,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-13 10:51:23,147 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:51:23,147 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:51:23,147 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-13 10:51:23,148 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:51:23,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:51:23,148 INFO L82 PathProgramCache]: Analyzing trace with hash -1024935854, now seen corresponding path program 5 times [2020-10-13 10:51:23,148 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:51:23,149 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [810122114] [2020-10-13 10:51:23,149 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:51:23,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:23,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:23,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:23,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-13 10:51:23,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:23,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 200 [2020-10-13 10:51:23,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:23,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-13 10:51:23,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:51:23,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-13 10:51:23,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:23,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:51:23,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:23,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:23,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:23,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:51:23,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:23,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:23,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:23,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:51:23,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:23,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:51:23,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:23,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-13 10:51:23,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:23,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:23,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:23,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:23,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:23,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:51:23,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:23,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:23,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:23,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:23,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:23,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 10:51:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:23,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:23,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:23,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:23,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:23,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:51:23,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:23,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:23,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:23,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:23,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:23,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 10:51:23,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:23,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:23,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:23,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:23,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:23,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:51:23,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:23,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:23,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:23,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:23,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:23,508 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-13 10:51:23,508 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [810122114] [2020-10-13 10:51:23,509 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:51:23,509 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-13 10:51:23,510 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003397436] [2020-10-13 10:51:23,510 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 10:51:23,510 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:51:23,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 10:51:23,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2020-10-13 10:51:23,511 INFO L87 Difference]: Start difference. First operand 39 states and 40 transitions. Second operand 11 states. [2020-10-13 10:51:23,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:51:23,643 INFO L93 Difference]: Finished difference Result 60 states and 65 transitions. [2020-10-13 10:51:23,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 10:51:23,644 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 36 [2020-10-13 10:51:23,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:51:23,645 INFO L225 Difference]: With dead ends: 60 [2020-10-13 10:51:23,645 INFO L226 Difference]: Without dead ends: 40 [2020-10-13 10:51:23,646 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2020-10-13 10:51:23,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-10-13 10:51:23,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-10-13 10:51:23,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-10-13 10:51:23,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 41 transitions. [2020-10-13 10:51:23,653 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 41 transitions. Word has length 36 [2020-10-13 10:51:23,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:51:23,653 INFO L479 AbstractCegarLoop]: Abstraction has 40 states and 41 transitions. [2020-10-13 10:51:23,653 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 10:51:23,653 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2020-10-13 10:51:23,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-13 10:51:23,654 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:51:23,655 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:51:23,655 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-13 10:51:23,655 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:51:23,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:51:23,655 INFO L82 PathProgramCache]: Analyzing trace with hash 505405977, now seen corresponding path program 6 times [2020-10-13 10:51:23,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:51:23,656 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1595432622] [2020-10-13 10:51:23,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:51:23,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:23,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:23,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:23,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-13 10:51:23,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:23,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 123 [2020-10-13 10:51:23,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:23,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-13 10:51:23,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:51:23,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-13 10:51:23,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:23,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:51:23,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:23,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:23,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:23,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:51:23,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:23,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:23,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:23,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:51:23,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:23,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:51:23,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:23,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 10:51:23,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:23,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:23,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:23,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:23,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:23,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:51:23,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:23,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:23,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:23,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:23,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:23,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 10:51:23,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:23,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:23,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:23,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:23,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:23,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:51:23,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:23,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:23,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:23,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:23,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:23,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 10:51:23,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:23,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:23,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:23,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:23,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:23,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:51:23,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:23,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:23,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:23,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:23,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:23,872 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 16 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-13 10:51:23,873 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1595432622] [2020-10-13 10:51:23,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:51:23,873 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-13 10:51:23,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181142655] [2020-10-13 10:51:23,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-13 10:51:23,874 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:51:23,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-13 10:51:23,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-13 10:51:23,875 INFO L87 Difference]: Start difference. First operand 40 states and 41 transitions. Second operand 9 states. [2020-10-13 10:51:23,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:51:23,940 INFO L93 Difference]: Finished difference Result 53 states and 55 transitions. [2020-10-13 10:51:23,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-13 10:51:23,940 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 37 [2020-10-13 10:51:23,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:51:23,942 INFO L225 Difference]: With dead ends: 53 [2020-10-13 10:51:23,942 INFO L226 Difference]: Without dead ends: 51 [2020-10-13 10:51:23,942 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-13 10:51:23,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-10-13 10:51:23,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 47. [2020-10-13 10:51:23,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-10-13 10:51:23,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 48 transitions. [2020-10-13 10:51:23,949 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 48 transitions. Word has length 37 [2020-10-13 10:51:23,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:51:23,950 INFO L479 AbstractCegarLoop]: Abstraction has 47 states and 48 transitions. [2020-10-13 10:51:23,950 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-13 10:51:23,950 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2020-10-13 10:51:23,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-13 10:51:23,951 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:51:23,951 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:51:23,951 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-13 10:51:23,952 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:51:23,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:51:23,952 INFO L82 PathProgramCache]: Analyzing trace with hash 1929520721, now seen corresponding path program 7 times [2020-10-13 10:51:23,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:51:23,952 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [430120199] [2020-10-13 10:51:23,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:51:23,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:23,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:24,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:24,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-13 10:51:24,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:24,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-13 10:51:24,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:24,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-13 10:51:24,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:51:24,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-13 10:51:24,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:24,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:51:24,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:24,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:24,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:24,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:51:24,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:24,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:24,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:24,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:51:24,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:24,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:51:24,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:24,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-13 10:51:24,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:24,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:24,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:24,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:24,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:24,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:51:24,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:24,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:24,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:24,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:24,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:24,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 10:51:24,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:24,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:24,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:24,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:24,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:24,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:51:24,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:24,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:24,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:24,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:24,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:24,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 10:51:24,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:24,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:24,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:24,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:24,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:24,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:51:24,241 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:24,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:24,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:24,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:24,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:24,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 10:51:24,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:24,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:24,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:24,249 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:24,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:24,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:51:24,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:24,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:24,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:24,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:24,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:24,255 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 34 proven. 10 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-13 10:51:24,256 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [430120199] [2020-10-13 10:51:24,256 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:51:24,256 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 10:51:24,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004222170] [2020-10-13 10:51:24,257 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 10:51:24,257 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:51:24,258 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 10:51:24,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-10-13 10:51:24,258 INFO L87 Difference]: Start difference. First operand 47 states and 48 transitions. Second operand 13 states. [2020-10-13 10:51:24,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:51:24,414 INFO L93 Difference]: Finished difference Result 71 states and 77 transitions. [2020-10-13 10:51:24,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-13 10:51:24,415 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 44 [2020-10-13 10:51:24,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:51:24,416 INFO L225 Difference]: With dead ends: 71 [2020-10-13 10:51:24,416 INFO L226 Difference]: Without dead ends: 48 [2020-10-13 10:51:24,417 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2020-10-13 10:51:24,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-10-13 10:51:24,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2020-10-13 10:51:24,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-10-13 10:51:24,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 49 transitions. [2020-10-13 10:51:24,424 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 49 transitions. Word has length 44 [2020-10-13 10:51:24,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:51:24,424 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 49 transitions. [2020-10-13 10:51:24,424 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 10:51:24,425 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2020-10-13 10:51:24,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-10-13 10:51:24,426 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:51:24,426 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:51:24,426 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-13 10:51:24,426 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:51:24,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:51:24,427 INFO L82 PathProgramCache]: Analyzing trace with hash -567109352, now seen corresponding path program 8 times [2020-10-13 10:51:24,427 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:51:24,427 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [600813632] [2020-10-13 10:51:24,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:51:24,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:24,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:24,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:24,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-13 10:51:24,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:24,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 153 [2020-10-13 10:51:24,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:24,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-13 10:51:24,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:51:24,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-13 10:51:24,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:24,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:51:24,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:24,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:24,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:24,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:51:24,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:24,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:24,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:24,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:51:24,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:24,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:51:24,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:24,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 10:51:24,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:24,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:24,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:24,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:24,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:24,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:51:24,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:24,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:24,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:24,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:24,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:24,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 10:51:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:24,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:24,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:24,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:24,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:24,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:24,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:24,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:24,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:24,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:24,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:24,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 10:51:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:24,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:24,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:24,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:24,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:24,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:24,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:24,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:24,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:24,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:24,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:24,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 10:51:24,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:24,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:24,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:24,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:24,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:24,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:24,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:24,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:24,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:24,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:24,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:24,707 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 23 proven. 26 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-13 10:51:24,708 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [600813632] [2020-10-13 10:51:24,708 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:51:24,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-13 10:51:24,708 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403150527] [2020-10-13 10:51:24,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-13 10:51:24,709 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:51:24,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-13 10:51:24,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-13 10:51:24,710 INFO L87 Difference]: Start difference. First operand 48 states and 49 transitions. Second operand 10 states. [2020-10-13 10:51:24,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:51:24,781 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2020-10-13 10:51:24,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 10:51:24,781 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 45 [2020-10-13 10:51:24,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:51:24,782 INFO L225 Difference]: With dead ends: 61 [2020-10-13 10:51:24,782 INFO L226 Difference]: Without dead ends: 59 [2020-10-13 10:51:24,783 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2020-10-13 10:51:24,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-10-13 10:51:24,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 55. [2020-10-13 10:51:24,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-13 10:51:24,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 56 transitions. [2020-10-13 10:51:24,790 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 56 transitions. Word has length 45 [2020-10-13 10:51:24,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:51:24,790 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 56 transitions. [2020-10-13 10:51:24,791 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-13 10:51:24,791 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2020-10-13 10:51:24,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-13 10:51:24,792 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:51:24,792 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:51:24,792 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-13 10:51:24,792 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:51:24,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:51:24,793 INFO L82 PathProgramCache]: Analyzing trace with hash 1776444018, now seen corresponding path program 9 times [2020-10-13 10:51:24,793 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:51:24,793 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [263258597] [2020-10-13 10:51:24,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:51:24,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:24,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:24,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:24,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-13 10:51:24,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:24,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 180 [2020-10-13 10:51:24,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:24,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-13 10:51:24,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:51:24,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-13 10:51:24,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:25,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:51:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:25,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:25,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:25,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:51:25,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:25,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:25,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:25,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:51:25,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:25,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:51:25,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:25,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-13 10:51:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:25,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:25,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:25,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:25,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:25,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:51:25,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:25,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:25,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:25,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:25,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:25,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 10:51:25,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:25,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:25,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:25,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:25,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:25,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:51:25,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:25,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:25,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:25,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:25,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:25,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 10:51:25,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:25,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:25,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:25,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:25,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:25,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:51:25,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:25,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:25,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:25,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:25,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:25,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 10:51:25,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:25,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:25,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:25,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:25,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:25,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:51:25,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:25,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:25,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:25,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:25,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:25,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 10:51:25,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:25,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:25,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:25,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:25,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:25,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:51:25,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:25,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:25,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:25,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:25,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:25,152 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 50 proven. 15 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-13 10:51:25,153 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [263258597] [2020-10-13 10:51:25,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:51:25,153 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-13 10:51:25,153 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571940254] [2020-10-13 10:51:25,154 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-13 10:51:25,154 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:51:25,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-13 10:51:25,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-10-13 10:51:25,155 INFO L87 Difference]: Start difference. First operand 55 states and 56 transitions. Second operand 15 states. [2020-10-13 10:51:25,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:51:25,380 INFO L93 Difference]: Finished difference Result 82 states and 89 transitions. [2020-10-13 10:51:25,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 10:51:25,381 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 52 [2020-10-13 10:51:25,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:51:25,382 INFO L225 Difference]: With dead ends: 82 [2020-10-13 10:51:25,382 INFO L226 Difference]: Without dead ends: 56 [2020-10-13 10:51:25,383 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=127, Invalid=335, Unknown=0, NotChecked=0, Total=462 [2020-10-13 10:51:25,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-10-13 10:51:25,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2020-10-13 10:51:25,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-10-13 10:51:25,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 57 transitions. [2020-10-13 10:51:25,390 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 57 transitions. Word has length 52 [2020-10-13 10:51:25,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:51:25,390 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 57 transitions. [2020-10-13 10:51:25,391 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-13 10:51:25,391 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 57 transitions. [2020-10-13 10:51:25,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-13 10:51:25,392 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:51:25,392 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:51:25,392 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-13 10:51:25,392 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:51:25,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:51:25,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1605574201, now seen corresponding path program 10 times [2020-10-13 10:51:25,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:51:25,393 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [839581798] [2020-10-13 10:51:25,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:51:25,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:25,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:25,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:25,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-13 10:51:25,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:25,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 245 [2020-10-13 10:51:25,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:25,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-13 10:51:25,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:51:25,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-13 10:51:25,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:25,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:51:25,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:25,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:25,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:25,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:51:25,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:25,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:25,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:25,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:51:25,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:25,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:51:25,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:25,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-13 10:51:25,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:25,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:25,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:25,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:25,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:25,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:51:25,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:25,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:25,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:25,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:25,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:25,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 10:51:25,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:25,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:25,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:25,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:25,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:25,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:51:25,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:25,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:25,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:25,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:25,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:25,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 10:51:25,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:25,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:25,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:25,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:25,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:25,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:25,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:25,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:25,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:25,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:25,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:25,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-13 10:51:25,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:25,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:25,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:25,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:25,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:25,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:25,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:25,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:25,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:25,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:25,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:25,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 10:51:25,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:25,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:25,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:25,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:25,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:25,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:25,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:25,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:25,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:25,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:25,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:25,779 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 31 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-13 10:51:25,780 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [839581798] [2020-10-13 10:51:25,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:51:25,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-13 10:51:25,780 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943100823] [2020-10-13 10:51:25,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-13 10:51:25,781 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:51:25,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-13 10:51:25,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-10-13 10:51:25,782 INFO L87 Difference]: Start difference. First operand 56 states and 57 transitions. Second operand 11 states. [2020-10-13 10:51:25,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:51:25,868 INFO L93 Difference]: Finished difference Result 69 states and 71 transitions. [2020-10-13 10:51:25,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-13 10:51:25,869 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 53 [2020-10-13 10:51:25,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:51:25,870 INFO L225 Difference]: With dead ends: 69 [2020-10-13 10:51:25,870 INFO L226 Difference]: Without dead ends: 67 [2020-10-13 10:51:25,871 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-10-13 10:51:25,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-10-13 10:51:25,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2020-10-13 10:51:25,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-10-13 10:51:25,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 64 transitions. [2020-10-13 10:51:25,878 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 64 transitions. Word has length 53 [2020-10-13 10:51:25,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:51:25,878 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 64 transitions. [2020-10-13 10:51:25,878 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-13 10:51:25,878 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2020-10-13 10:51:25,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-13 10:51:25,879 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:51:25,879 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:51:25,880 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-13 10:51:25,880 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:51:25,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:51:25,880 INFO L82 PathProgramCache]: Analyzing trace with hash -1732704719, now seen corresponding path program 11 times [2020-10-13 10:51:25,880 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:51:25,881 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1140355227] [2020-10-13 10:51:25,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:51:25,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:25,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:26,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:26,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-13 10:51:26,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:26,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 265 [2020-10-13 10:51:26,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:26,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-13 10:51:26,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:51:26,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-13 10:51:26,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:26,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:51:26,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:26,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:26,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:26,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:51:26,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:26,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:26,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:26,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:51:26,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:26,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:51:26,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:26,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-13 10:51:26,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:26,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:26,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:26,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:26,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:26,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:51:26,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:26,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:26,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:26,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:26,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:26,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 10:51:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:26,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:26,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:26,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:26,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:26,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:26,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:26,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:26,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:26,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:26,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:26,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 10:51:26,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:26,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:26,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:26,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:26,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:26,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:26,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:26,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:26,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:26,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:26,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:26,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-13 10:51:26,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:26,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:26,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:26,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:26,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:26,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:51:26,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:26,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:26,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:26,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:26,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:26,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 10:51:26,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:26,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:26,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:26,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:26,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:26,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:51:26,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:26,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:26,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:26,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:26,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:26,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-13 10:51:26,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:26,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:26,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:26,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:26,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:26,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:51:26,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:26,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:26,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:26,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:26,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:26,364 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 69 proven. 21 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-13 10:51:26,365 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1140355227] [2020-10-13 10:51:26,365 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:51:26,365 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-13 10:51:26,365 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541035131] [2020-10-13 10:51:26,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-13 10:51:26,366 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:51:26,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-13 10:51:26,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2020-10-13 10:51:26,367 INFO L87 Difference]: Start difference. First operand 63 states and 64 transitions. Second operand 17 states. [2020-10-13 10:51:26,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:51:26,592 INFO L93 Difference]: Finished difference Result 93 states and 101 transitions. [2020-10-13 10:51:26,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 10:51:26,593 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 60 [2020-10-13 10:51:26,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:51:26,594 INFO L225 Difference]: With dead ends: 93 [2020-10-13 10:51:26,594 INFO L226 Difference]: Without dead ends: 64 [2020-10-13 10:51:26,595 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=161, Invalid=439, Unknown=0, NotChecked=0, Total=600 [2020-10-13 10:51:26,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-10-13 10:51:26,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2020-10-13 10:51:26,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-10-13 10:51:26,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 65 transitions. [2020-10-13 10:51:26,602 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 65 transitions. Word has length 60 [2020-10-13 10:51:26,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:51:26,602 INFO L479 AbstractCegarLoop]: Abstraction has 64 states and 65 transitions. [2020-10-13 10:51:26,602 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-13 10:51:26,602 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 65 transitions. [2020-10-13 10:51:26,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-13 10:51:26,603 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:51:26,603 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:51:26,604 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-13 10:51:26,604 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:51:26,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:51:26,604 INFO L82 PathProgramCache]: Analyzing trace with hash -53409032, now seen corresponding path program 12 times [2020-10-13 10:51:26,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:51:26,605 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1234709588] [2020-10-13 10:51:26,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:51:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:26,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:26,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:26,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-13 10:51:26,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:26,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 311 [2020-10-13 10:51:26,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:26,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-13 10:51:26,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:51:26,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-13 10:51:26,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:27,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:51:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:27,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:27,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:27,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:51:27,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:27,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:27,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:27,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:51:27,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:27,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:51:27,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:27,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 10:51:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:27,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:27,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:27,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:27,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:27,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:51:27,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:27,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:27,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:27,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:27,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:27,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 10:51:27,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:27,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:27,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:27,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:27,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:27,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 10:51:27,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:27,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:27,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:27,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:27,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:27,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 10:51:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:27,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:27,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:27,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:27,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:27,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:27,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:27,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:27,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:27,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:27,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:27,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 10:51:27,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:27,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:27,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:27,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:27,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:27,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:27,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:27,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:27,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:27,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:27,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:27,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-13 10:51:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:27,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:27,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:27,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:27,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:27,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:51:27,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:27,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:27,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:27,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:27,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:27,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 10:51:27,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:27,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:27,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:27,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:27,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:27,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:27,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:27,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:27,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:27,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:27,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:27,076 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 40 proven. 57 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-13 10:51:27,076 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1234709588] [2020-10-13 10:51:27,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:51:27,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-13 10:51:27,077 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011999395] [2020-10-13 10:51:27,078 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-13 10:51:27,079 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:51:27,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-13 10:51:27,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2020-10-13 10:51:27,079 INFO L87 Difference]: Start difference. First operand 64 states and 65 transitions. Second operand 12 states. [2020-10-13 10:51:27,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:51:27,175 INFO L93 Difference]: Finished difference Result 77 states and 79 transitions. [2020-10-13 10:51:27,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-13 10:51:27,176 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 61 [2020-10-13 10:51:27,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:51:27,177 INFO L225 Difference]: With dead ends: 77 [2020-10-13 10:51:27,178 INFO L226 Difference]: Without dead ends: 75 [2020-10-13 10:51:27,178 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2020-10-13 10:51:27,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-10-13 10:51:27,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 71. [2020-10-13 10:51:27,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-13 10:51:27,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 72 transitions. [2020-10-13 10:51:27,192 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 72 transitions. Word has length 61 [2020-10-13 10:51:27,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:51:27,193 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 72 transitions. [2020-10-13 10:51:27,193 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-13 10:51:27,193 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 72 transitions. [2020-10-13 10:51:27,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-10-13 10:51:27,194 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:51:27,195 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:51:27,195 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-13 10:51:27,195 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:51:27,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:51:27,196 INFO L82 PathProgramCache]: Analyzing trace with hash -2024139630, now seen corresponding path program 13 times [2020-10-13 10:51:27,196 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:51:27,197 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1023903383] [2020-10-13 10:51:27,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:51:27,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:27,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:27,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:27,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-13 10:51:27,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:27,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 358 [2020-10-13 10:51:27,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:27,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-13 10:51:27,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:51:27,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-13 10:51:27,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:27,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:51:27,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:27,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:27,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:27,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:51:27,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:27,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:27,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:27,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:51:27,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:27,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:51:27,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:27,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-13 10:51:27,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:27,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:27,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:27,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:27,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:27,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:51:27,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:27,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:27,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:27,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:27,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:27,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 10:51:27,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:27,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:27,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:27,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:27,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:27,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:27,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:27,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:27,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:27,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:27,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:27,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 10:51:27,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:27,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:27,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:27,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:27,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:27,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:27,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:27,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:27,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:27,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:27,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:27,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 10:51:27,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:27,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:27,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:27,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:27,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:27,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:27,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:27,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:27,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:27,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:27,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:27,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-13 10:51:27,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:27,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:27,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:27,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:27,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:27,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:27,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:27,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:27,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:27,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:27,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:27,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 10:51:27,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:27,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:27,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:27,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:27,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:27,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:51:27,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:27,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:27,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:27,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:27,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:27,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 10:51:27,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:27,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:27,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:27,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:27,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:27,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:51:27,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:27,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:27,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:27,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:27,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:27,816 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 91 proven. 28 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-13 10:51:27,817 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1023903383] [2020-10-13 10:51:27,817 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:51:27,817 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-13 10:51:27,817 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961675750] [2020-10-13 10:51:27,818 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-13 10:51:27,818 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:51:27,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-13 10:51:27,819 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-13 10:51:27,819 INFO L87 Difference]: Start difference. First operand 71 states and 72 transitions. Second operand 19 states. [2020-10-13 10:51:28,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:51:28,100 INFO L93 Difference]: Finished difference Result 104 states and 113 transitions. [2020-10-13 10:51:28,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-13 10:51:28,101 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 68 [2020-10-13 10:51:28,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:51:28,102 INFO L225 Difference]: With dead ends: 104 [2020-10-13 10:51:28,102 INFO L226 Difference]: Without dead ends: 72 [2020-10-13 10:51:28,103 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=199, Invalid=557, Unknown=0, NotChecked=0, Total=756 [2020-10-13 10:51:28,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-10-13 10:51:28,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2020-10-13 10:51:28,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-10-13 10:51:28,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 73 transitions. [2020-10-13 10:51:28,110 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 73 transitions. Word has length 68 [2020-10-13 10:51:28,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:51:28,111 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 73 transitions. [2020-10-13 10:51:28,111 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-13 10:51:28,111 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 73 transitions. [2020-10-13 10:51:28,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-13 10:51:28,112 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:51:28,112 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:51:28,112 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-13 10:51:28,112 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:51:28,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:51:28,113 INFO L82 PathProgramCache]: Analyzing trace with hash -1503632807, now seen corresponding path program 14 times [2020-10-13 10:51:28,113 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:51:28,113 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1833699138] [2020-10-13 10:51:28,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:51:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:28,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:28,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:28,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-13 10:51:28,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:28,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 385 [2020-10-13 10:51:28,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:28,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-13 10:51:28,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:51:28,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-13 10:51:28,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:28,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:51:28,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:28,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:28,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:28,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:51:28,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:28,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:51:28,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:28,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:51:28,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:28,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:51:28,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:28,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 10:51:28,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:28,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:28,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:28,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:28,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:28,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:28,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:28,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:28,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:28,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:28,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:28,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 10:51:28,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:28,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:28,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:28,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:28,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:28,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:28,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:28,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:28,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:28,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:28,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:28,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 10:51:28,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:28,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:28,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:28,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:28,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:28,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:28,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:28,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:28,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:28,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:28,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:28,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 10:51:28,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:28,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:28,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:28,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:28,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:28,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:28,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:28,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:28,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:28,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:28,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:28,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 10:51:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:28,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:28,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:28,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:28,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:28,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:28,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:28,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:28,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:28,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:28,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:28,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-13 10:51:28,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:28,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:28,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:28,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:28,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:28,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:28,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:28,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:28,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:28,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:28,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:28,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-13 10:51:28,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:28,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:28,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:28,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:28,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:28,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:28,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:28,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:28,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:28,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:28,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:28,667 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 50 proven. 77 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-13 10:51:28,668 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1833699138] [2020-10-13 10:51:28,668 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:51:28,668 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-13 10:51:28,668 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [262297932] [2020-10-13 10:51:28,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-13 10:51:28,669 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:51:28,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-13 10:51:28,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2020-10-13 10:51:28,669 INFO L87 Difference]: Start difference. First operand 72 states and 73 transitions. Second operand 13 states. [2020-10-13 10:51:28,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:51:28,766 INFO L93 Difference]: Finished difference Result 85 states and 87 transitions. [2020-10-13 10:51:28,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 10:51:28,766 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 69 [2020-10-13 10:51:28,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:51:28,767 INFO L225 Difference]: With dead ends: 85 [2020-10-13 10:51:28,767 INFO L226 Difference]: Without dead ends: 83 [2020-10-13 10:51:28,768 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-10-13 10:51:28,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-10-13 10:51:28,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 79. [2020-10-13 10:51:28,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-10-13 10:51:28,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 80 transitions. [2020-10-13 10:51:28,774 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 80 transitions. Word has length 69 [2020-10-13 10:51:28,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:51:28,775 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 80 transitions. [2020-10-13 10:51:28,775 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-13 10:51:28,775 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 80 transitions. [2020-10-13 10:51:28,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-10-13 10:51:28,776 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:51:28,776 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:51:28,776 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-13 10:51:28,776 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:51:28,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:51:28,777 INFO L82 PathProgramCache]: Analyzing trace with hash -1317216751, now seen corresponding path program 15 times [2020-10-13 10:51:28,777 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:51:28,777 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [371186908] [2020-10-13 10:51:28,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:51:28,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:28,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:29,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:29,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-13 10:51:29,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:29,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 391 [2020-10-13 10:51:29,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:29,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-13 10:51:29,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:51:29,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-13 10:51:29,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:29,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:51:29,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:29,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:29,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:29,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:51:29,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:29,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:29,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:29,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:51:29,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:29,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:51:29,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:29,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-13 10:51:29,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:29,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:29,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:29,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:29,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:29,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:51:29,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:29,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:29,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:29,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:29,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:29,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 10:51:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:29,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:29,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:29,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:29,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:29,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-13 10:51:29,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:29,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:29,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:29,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:29,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:29,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 10:51:29,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:29,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:29,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:29,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:29,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:29,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:29,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:29,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:29,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:29,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:29,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:29,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 10:51:29,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:29,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:29,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:29,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:29,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:29,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:29,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:29,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:29,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:29,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:29,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:29,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 10:51:29,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:29,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:29,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:29,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:29,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:29,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:29,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:29,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:29,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:29,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:29,476 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:29,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-13 10:51:29,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:29,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:29,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:29,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:29,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:29,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:29,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:29,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:29,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:29,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:29,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:29,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-13 10:51:29,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:29,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:29,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:29,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:29,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:29,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:29,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:29,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:29,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:29,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:29,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:29,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 10:51:29,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:29,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:29,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:29,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:29,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:29,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:29,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:29,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:29,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:29,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:29,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:29,506 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 116 proven. 36 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-13 10:51:29,506 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [371186908] [2020-10-13 10:51:29,506 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:51:29,507 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-13 10:51:29,507 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220185472] [2020-10-13 10:51:29,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-13 10:51:29,508 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:51:29,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-13 10:51:29,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2020-10-13 10:51:29,508 INFO L87 Difference]: Start difference. First operand 79 states and 80 transitions. Second operand 21 states. [2020-10-13 10:51:29,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:51:29,835 INFO L93 Difference]: Finished difference Result 115 states and 125 transitions. [2020-10-13 10:51:29,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 10:51:29,835 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 76 [2020-10-13 10:51:29,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:51:29,836 INFO L225 Difference]: With dead ends: 115 [2020-10-13 10:51:29,836 INFO L226 Difference]: Without dead ends: 80 [2020-10-13 10:51:29,838 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=241, Invalid=689, Unknown=0, NotChecked=0, Total=930 [2020-10-13 10:51:29,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-10-13 10:51:29,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2020-10-13 10:51:29,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-10-13 10:51:29,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 81 transitions. [2020-10-13 10:51:29,844 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 81 transitions. Word has length 76 [2020-10-13 10:51:29,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:51:29,845 INFO L479 AbstractCegarLoop]: Abstraction has 80 states and 81 transitions. [2020-10-13 10:51:29,845 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-13 10:51:29,845 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 81 transitions. [2020-10-13 10:51:29,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-10-13 10:51:29,846 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:51:29,846 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:51:29,846 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-13 10:51:29,846 INFO L427 AbstractCegarLoop]: === Iteration 18 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:51:29,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:51:29,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1092121816, now seen corresponding path program 16 times [2020-10-13 10:51:29,847 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:51:29,847 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [803127247] [2020-10-13 10:51:29,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:51:29,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:29,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:30,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:30,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-13 10:51:30,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:30,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 401 [2020-10-13 10:51:30,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:30,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-13 10:51:30,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:51:30,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-13 10:51:30,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:30,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:51:30,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:30,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:30,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:30,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:51:30,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:30,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:51:30,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:30,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:51:30,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:30,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:51:30,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:30,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-13 10:51:30,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:30,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:30,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:30,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:30,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:30,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:30,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:30,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:30,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:30,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:30,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:30,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 10:51:30,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:30,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:30,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:30,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:30,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:30,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:30,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:30,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:30,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:30,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:30,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:30,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 10:51:30,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:30,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:30,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:30,391 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:30,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:30,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:30,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:30,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:30,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:30,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:30,392 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:30,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 10:51:30,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:30,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:30,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:30,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:30,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:30,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:30,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:30,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:30,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:30,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:30,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:30,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 10:51:30,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:30,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:30,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:30,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:30,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:30,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:30,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:30,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:30,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:30,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:30,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:30,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-13 10:51:30,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:30,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:30,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:30,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:30,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:30,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:30,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:30,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:30,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:30,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:30,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:30,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 10:51:30,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:30,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:30,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:30,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:30,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:30,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:30,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:30,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:30,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:30,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:30,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:30,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-13 10:51:30,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:30,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:30,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:30,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:30,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:30,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:30,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:30,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:30,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:30,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:30,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:30,445 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 61 proven. 100 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-13 10:51:30,445 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [803127247] [2020-10-13 10:51:30,445 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:51:30,445 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-13 10:51:30,446 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108626860] [2020-10-13 10:51:30,449 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-13 10:51:30,449 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:51:30,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-13 10:51:30,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2020-10-13 10:51:30,450 INFO L87 Difference]: Start difference. First operand 80 states and 81 transitions. Second operand 14 states. [2020-10-13 10:51:30,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:51:30,562 INFO L93 Difference]: Finished difference Result 93 states and 95 transitions. [2020-10-13 10:51:30,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-13 10:51:30,562 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 77 [2020-10-13 10:51:30,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:51:30,563 INFO L225 Difference]: With dead ends: 93 [2020-10-13 10:51:30,564 INFO L226 Difference]: Without dead ends: 91 [2020-10-13 10:51:30,564 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2020-10-13 10:51:30,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-10-13 10:51:30,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 87. [2020-10-13 10:51:30,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-10-13 10:51:30,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 88 transitions. [2020-10-13 10:51:30,571 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 88 transitions. Word has length 77 [2020-10-13 10:51:30,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:51:30,571 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 88 transitions. [2020-10-13 10:51:30,571 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-13 10:51:30,571 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 88 transitions. [2020-10-13 10:51:30,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-13 10:51:30,572 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:51:30,572 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:51:30,573 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-13 10:51:30,573 INFO L427 AbstractCegarLoop]: === Iteration 19 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:51:30,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:51:30,573 INFO L82 PathProgramCache]: Analyzing trace with hash 1973538482, now seen corresponding path program 17 times [2020-10-13 10:51:30,573 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:51:30,574 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [319993848] [2020-10-13 10:51:30,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:51:30,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:30,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:31,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:31,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-13 10:51:31,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:31,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 428 [2020-10-13 10:51:31,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:31,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-13 10:51:31,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:51:31,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-13 10:51:31,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:31,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:51:31,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:31,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:31,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:31,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:51:31,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:31,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:31,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:31,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:51:31,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:31,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:51:31,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:31,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-13 10:51:31,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:31,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:31,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:31,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:31,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:31,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:31,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:31,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:31,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:31,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:31,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:31,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 10:51:31,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:31,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:31,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:31,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:31,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:31,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:51:31,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:31,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:31,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:31,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:31,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:31,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 10:51:31,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:31,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:31,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:31,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:31,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:31,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:31,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:31,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:31,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:31,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:31,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:31,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 10:51:31,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:31,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:31,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:31,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:31,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:31,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:31,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:31,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:31,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:31,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:31,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:31,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 10:51:31,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:31,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:31,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:31,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:31,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:31,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:31,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:31,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:31,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:31,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:31,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:31,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-13 10:51:31,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:31,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:31,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:31,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:31,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:31,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:31,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:31,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:31,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:31,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:31,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:31,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 10:51:31,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:31,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:31,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:31,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:31,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:31,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:31,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:31,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:31,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:31,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:31,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:31,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-13 10:51:31,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:31,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:31,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:31,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:31,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:31,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:31,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:31,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:31,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:31,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:31,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:31,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 10:51:31,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:31,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:31,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:31,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:31,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:31,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:31,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:31,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:31,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:31,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:31,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:31,317 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 144 proven. 45 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-13 10:51:31,318 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [319993848] [2020-10-13 10:51:31,318 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:51:31,318 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-13 10:51:31,319 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1481898962] [2020-10-13 10:51:31,319 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-13 10:51:31,319 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:51:31,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-13 10:51:31,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=373, Unknown=0, NotChecked=0, Total=506 [2020-10-13 10:51:31,320 INFO L87 Difference]: Start difference. First operand 87 states and 88 transitions. Second operand 23 states. [2020-10-13 10:51:31,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:51:31,735 INFO L93 Difference]: Finished difference Result 126 states and 137 transitions. [2020-10-13 10:51:31,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-13 10:51:31,735 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 84 [2020-10-13 10:51:31,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:51:31,736 INFO L225 Difference]: With dead ends: 126 [2020-10-13 10:51:31,737 INFO L226 Difference]: Without dead ends: 88 [2020-10-13 10:51:31,738 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 144 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=287, Invalid=835, Unknown=0, NotChecked=0, Total=1122 [2020-10-13 10:51:31,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-10-13 10:51:31,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2020-10-13 10:51:31,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-10-13 10:51:31,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 89 transitions. [2020-10-13 10:51:31,745 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 89 transitions. Word has length 84 [2020-10-13 10:51:31,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:51:31,745 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 89 transitions. [2020-10-13 10:51:31,745 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-13 10:51:31,745 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 89 transitions. [2020-10-13 10:51:31,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-13 10:51:31,746 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:51:31,746 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:51:31,746 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-13 10:51:31,747 INFO L427 AbstractCegarLoop]: === Iteration 20 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:51:31,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:51:31,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1803964807, now seen corresponding path program 18 times [2020-10-13 10:51:31,747 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:51:31,747 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1980757684] [2020-10-13 10:51:31,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:51:31,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:31,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:32,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:32,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-13 10:51:32,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:32,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 479 [2020-10-13 10:51:32,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:32,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-13 10:51:32,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:51:32,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-13 10:51:32,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:32,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:51:32,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:32,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:32,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:32,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:51:32,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:32,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:32,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:32,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:51:32,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:32,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:51:32,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:32,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 10:51:32,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:32,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:32,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:32,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:32,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:32,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:32,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:32,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:32,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:32,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:32,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:32,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 10:51:32,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:32,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:32,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:32,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:32,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:32,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:32,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:32,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:32,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:32,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:32,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:32,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 10:51:32,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:32,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:32,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:32,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:32,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:32,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:32,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:32,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:32,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:32,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:32,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:32,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 10:51:32,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:32,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:32,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:32,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:32,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:32,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:32,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:32,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:32,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:32,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:32,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:32,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 10:51:32,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:32,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:32,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:32,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:32,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:32,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:32,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:32,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:32,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:32,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:32,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:32,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-13 10:51:32,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:32,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:32,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:32,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:32,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:32,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:32,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:32,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:32,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:32,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:32,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:32,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 10:51:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:32,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:32,416 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:32,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:32,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:32,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 10:51:32,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:32,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:32,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:32,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:32,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:32,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-13 10:51:32,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:32,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:32,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:32,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:32,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:32,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:32,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:32,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:32,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:32,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:32,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:32,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-13 10:51:32,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:32,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:32,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:32,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:32,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:32,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:32,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:32,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:32,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:32,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:32,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:32,443 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 73 proven. 126 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-13 10:51:32,444 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1980757684] [2020-10-13 10:51:32,444 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:51:32,444 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-13 10:51:32,444 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465333267] [2020-10-13 10:51:32,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-13 10:51:32,445 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:51:32,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-13 10:51:32,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=128, Unknown=0, NotChecked=0, Total=210 [2020-10-13 10:51:32,446 INFO L87 Difference]: Start difference. First operand 88 states and 89 transitions. Second operand 15 states. [2020-10-13 10:51:32,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:51:32,553 INFO L93 Difference]: Finished difference Result 101 states and 103 transitions. [2020-10-13 10:51:32,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-13 10:51:32,554 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 85 [2020-10-13 10:51:32,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:51:32,555 INFO L225 Difference]: With dead ends: 101 [2020-10-13 10:51:32,555 INFO L226 Difference]: Without dead ends: 99 [2020-10-13 10:51:32,556 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2020-10-13 10:51:32,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-10-13 10:51:32,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 95. [2020-10-13 10:51:32,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-10-13 10:51:32,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 96 transitions. [2020-10-13 10:51:32,563 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 96 transitions. Word has length 85 [2020-10-13 10:51:32,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:51:32,563 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 96 transitions. [2020-10-13 10:51:32,563 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-13 10:51:32,563 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 96 transitions. [2020-10-13 10:51:32,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-13 10:51:32,564 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:51:32,564 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:51:32,564 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-13 10:51:32,564 INFO L427 AbstractCegarLoop]: === Iteration 21 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:51:32,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:51:32,565 INFO L82 PathProgramCache]: Analyzing trace with hash 985378289, now seen corresponding path program 19 times [2020-10-13 10:51:32,565 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:51:32,565 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1526252951] [2020-10-13 10:51:32,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:51:32,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:32,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:33,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:33,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-13 10:51:33,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:33,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 470 [2020-10-13 10:51:33,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:33,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-13 10:51:33,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:51:33,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-13 10:51:33,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:33,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:51:33,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:33,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:33,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:33,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:51:33,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:33,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:51:33,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:33,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:51:33,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:33,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:51:33,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:33,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-13 10:51:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:33,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:33,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:33,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:33,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:33,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:33,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:33,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:33,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:33,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:33,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:33,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 10:51:33,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:33,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:33,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:33,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:33,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:33,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:33,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:33,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:33,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:33,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:33,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:33,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 10:51:33,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:33,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:33,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:33,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:33,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:33,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:33,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:33,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:33,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:33,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:33,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:33,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 10:51:33,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:33,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:33,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:33,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:33,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:33,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:33,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:33,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:33,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:33,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:33,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:33,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 10:51:33,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:33,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:33,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:33,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:33,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:33,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:33,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:33,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:33,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:33,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:33,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:33,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-13 10:51:33,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:33,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:33,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:33,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:33,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:33,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:33,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:33,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:33,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:33,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:33,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:33,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 10:51:33,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:33,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:33,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:33,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:33,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:33,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:33,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:33,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:33,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:33,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:33,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:33,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-13 10:51:33,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:33,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:33,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:33,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:33,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:33,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:33,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:33,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:33,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:33,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:33,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:33,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-13 10:51:33,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:33,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:33,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:33,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:33,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:33,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:33,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:33,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:33,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:33,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:33,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:33,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 10:51:33,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:33,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:33,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:33,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:33,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:33,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:33,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:33,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:33,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:33,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:33,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:33,390 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 175 proven. 55 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2020-10-13 10:51:33,390 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1526252951] [2020-10-13 10:51:33,391 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:51:33,391 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-13 10:51:33,391 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684068622] [2020-10-13 10:51:33,394 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-13 10:51:33,394 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:51:33,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-13 10:51:33,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2020-10-13 10:51:33,395 INFO L87 Difference]: Start difference. First operand 95 states and 96 transitions. Second operand 25 states. [2020-10-13 10:51:33,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:51:33,868 INFO L93 Difference]: Finished difference Result 137 states and 149 transitions. [2020-10-13 10:51:33,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-13 10:51:33,869 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 92 [2020-10-13 10:51:33,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:51:33,870 INFO L225 Difference]: With dead ends: 137 [2020-10-13 10:51:33,870 INFO L226 Difference]: Without dead ends: 96 [2020-10-13 10:51:33,871 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 175 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=337, Invalid=995, Unknown=0, NotChecked=0, Total=1332 [2020-10-13 10:51:33,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2020-10-13 10:51:33,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2020-10-13 10:51:33,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-10-13 10:51:33,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 97 transitions. [2020-10-13 10:51:33,879 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 97 transitions. Word has length 92 [2020-10-13 10:51:33,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:51:33,880 INFO L479 AbstractCegarLoop]: Abstraction has 96 states and 97 transitions. [2020-10-13 10:51:33,880 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-13 10:51:33,880 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 97 transitions. [2020-10-13 10:51:33,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-13 10:51:33,882 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:51:33,883 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:51:33,883 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-13 10:51:33,883 INFO L427 AbstractCegarLoop]: === Iteration 22 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:51:33,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:51:33,884 INFO L82 PathProgramCache]: Analyzing trace with hash 1886836408, now seen corresponding path program 20 times [2020-10-13 10:51:33,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:51:33,885 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1634561567] [2020-10-13 10:51:33,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:51:33,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:33,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:34,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:34,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-13 10:51:34,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:34,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 581 [2020-10-13 10:51:34,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:34,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-13 10:51:34,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:51:34,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-13 10:51:34,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:34,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:51:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:34,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:34,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:34,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:51:34,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:34,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:51:34,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:34,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:51:34,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:34,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:51:34,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:34,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 10:51:34,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:34,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:34,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:34,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:34,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:34,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:34,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:34,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:34,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:34,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:34,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:34,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 10:51:34,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:34,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:34,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:34,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:34,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:34,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:34,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:34,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:34,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:34,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:34,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:34,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 10:51:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:34,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:34,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:34,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:34,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:34,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:34,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:34,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:34,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:34,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:34,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:34,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 10:51:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:34,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:34,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:34,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:34,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:34,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:34,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:34,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:34,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:34,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:34,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:34,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 10:51:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:34,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:34,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:34,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:34,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:34,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:34,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:34,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:34,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:34,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:34,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:34,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 10:51:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:34,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:34,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:34,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:34,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:34,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:34,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:34,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:34,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:34,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:34,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:34,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 10:51:34,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:34,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:34,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:34,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:34,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:34,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:34,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:34,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:34,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:34,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:34,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:34,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-13 10:51:34,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:34,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:34,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:34,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:34,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:34,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:34,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:34,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:34,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:34,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:34,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:34,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 10:51:34,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:34,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:34,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:34,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:34,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:34,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:34,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:34,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:34,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:34,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:34,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:34,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 10:51:34,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:34,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:34,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:34,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:34,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:34,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:34,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:34,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:34,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:34,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:34,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:34,684 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 86 proven. 155 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2020-10-13 10:51:34,684 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1634561567] [2020-10-13 10:51:34,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:51:34,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-13 10:51:34,685 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626795762] [2020-10-13 10:51:34,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-13 10:51:34,686 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:51:34,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-13 10:51:34,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=145, Unknown=0, NotChecked=0, Total=240 [2020-10-13 10:51:34,687 INFO L87 Difference]: Start difference. First operand 96 states and 97 transitions. Second operand 16 states. [2020-10-13 10:51:34,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:51:34,805 INFO L93 Difference]: Finished difference Result 109 states and 111 transitions. [2020-10-13 10:51:34,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-13 10:51:34,807 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 93 [2020-10-13 10:51:34,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:51:34,809 INFO L225 Difference]: With dead ends: 109 [2020-10-13 10:51:34,809 INFO L226 Difference]: Without dead ends: 107 [2020-10-13 10:51:34,809 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2020-10-13 10:51:34,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-10-13 10:51:34,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 103. [2020-10-13 10:51:34,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-10-13 10:51:34,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 104 transitions. [2020-10-13 10:51:34,819 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 104 transitions. Word has length 93 [2020-10-13 10:51:34,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:51:34,820 INFO L479 AbstractCegarLoop]: Abstraction has 103 states and 104 transitions. [2020-10-13 10:51:34,820 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-13 10:51:34,820 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 104 transitions. [2020-10-13 10:51:34,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-10-13 10:51:34,821 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:51:34,821 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:51:34,821 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-13 10:51:34,821 INFO L427 AbstractCegarLoop]: === Iteration 23 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:51:34,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:51:34,822 INFO L82 PathProgramCache]: Analyzing trace with hash 395022546, now seen corresponding path program 21 times [2020-10-13 10:51:34,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:51:34,824 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1400056259] [2020-10-13 10:51:34,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:51:34,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:34,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:35,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:35,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-13 10:51:35,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:35,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 474 [2020-10-13 10:51:35,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:35,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-13 10:51:35,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:51:35,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-13 10:51:35,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:35,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:51:35,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:35,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:35,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:35,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:51:35,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:35,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:51:35,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:35,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:51:35,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:35,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:51:35,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:35,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-13 10:51:35,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:35,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:35,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:35,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:35,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:35,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-13 10:51:35,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:35,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:35,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:35,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:35,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-13 10:51:35,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 10:51:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:35,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:35,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:35,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:35,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:35,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:51:35,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:35,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:35,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:35,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:35,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-13 10:51:35,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 10:51:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:35,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:35,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:35,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:35,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:35,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 10:51:35,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:35,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:35,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:35,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:35,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:35,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 10:51:35,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:35,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:35,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:35,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:35,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:35,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:35,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:35,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:35,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:35,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:35,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 10:51:35,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 10:51:35,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:35,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:35,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:35,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:35,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:35,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:51:35,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:35,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:35,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:35,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:35,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:35,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 10:51:35,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:35,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:35,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:35,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:35,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:35,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 10:51:35,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:35,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:35,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:35,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:35,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:35,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 10:51:35,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:35,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:35,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:35,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:35,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:35,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 10:51:35,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:35,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:35,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:35,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:35,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-13 10:51:35,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-13 10:51:35,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:35,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:35,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:35,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:35,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:35,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 10:51:35,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:35,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:35,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:35,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:35,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-13 10:51:35,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 10:51:35,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:35,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:35,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:35,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:35,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:35,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:51:35,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:35,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:35,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:35,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:35,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:35,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 10:51:35,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:35,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:35,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:35,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:35,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:35,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:35,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:35,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:35,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:35,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:35,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:35,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-13 10:51:35,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:35,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:35,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:35,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:35,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:35,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:35,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:35,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:35,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:35,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:35,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:35,813 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 209 proven. 66 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-10-13 10:51:35,813 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1400056259] [2020-10-13 10:51:35,815 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:51:35,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-13 10:51:35,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216770516] [2020-10-13 10:51:35,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-13 10:51:35,816 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:51:35,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-13 10:51:35,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=519, Unknown=0, NotChecked=0, Total=702 [2020-10-13 10:51:35,820 INFO L87 Difference]: Start difference. First operand 103 states and 104 transitions. Second operand 27 states. [2020-10-13 10:51:36,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:51:36,377 INFO L93 Difference]: Finished difference Result 148 states and 161 transitions. [2020-10-13 10:51:36,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-13 10:51:36,377 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 100 [2020-10-13 10:51:36,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:51:36,379 INFO L225 Difference]: With dead ends: 148 [2020-10-13 10:51:36,379 INFO L226 Difference]: Without dead ends: 104 [2020-10-13 10:51:36,381 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=391, Invalid=1169, Unknown=0, NotChecked=0, Total=1560 [2020-10-13 10:51:36,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-10-13 10:51:36,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2020-10-13 10:51:36,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-10-13 10:51:36,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 105 transitions. [2020-10-13 10:51:36,389 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 105 transitions. Word has length 100 [2020-10-13 10:51:36,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:51:36,390 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 105 transitions. [2020-10-13 10:51:36,390 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-13 10:51:36,390 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 105 transitions. [2020-10-13 10:51:36,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-10-13 10:51:36,391 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:51:36,391 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:51:36,392 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-13 10:51:36,392 INFO L427 AbstractCegarLoop]: === Iteration 24 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:51:36,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:51:36,392 INFO L82 PathProgramCache]: Analyzing trace with hash 1422983833, now seen corresponding path program 22 times [2020-10-13 10:51:36,392 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:51:36,393 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [149513353] [2020-10-13 10:51:36,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:51:36,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:36,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:36,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:36,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-13 10:51:36,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:36,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 558 [2020-10-13 10:51:36,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:36,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-13 10:51:36,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:51:36,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-13 10:51:36,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:37,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:51:37,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:37,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:37,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:37,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:51:37,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:37,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:37,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:37,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:51:37,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:37,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:51:37,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:37,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 10:51:37,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:37,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:37,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:37,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:37,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:37,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:37,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:37,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:37,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:37,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:37,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:37,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 10:51:37,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:37,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:37,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:37,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:37,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:37,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:37,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:37,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:37,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:37,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:37,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:37,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 10:51:37,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:37,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:37,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:37,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:37,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:37,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:37,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:37,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:37,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:37,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:37,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:37,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 10:51:37,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:37,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:37,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:37,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:37,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:37,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:37,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:37,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:37,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:37,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:37,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:37,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 10:51:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:37,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:37,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:37,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:37,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:37,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:37,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:37,207 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:37,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:37,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:37,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:37,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 10:51:37,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:37,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:37,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:37,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:37,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:37,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:37,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:37,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:37,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:37,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:37,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:37,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-13 10:51:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:37,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:37,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:37,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:37,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:37,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:37,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:37,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:37,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:37,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:37,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:37,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-13 10:51:37,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:37,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:37,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:37,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:37,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:37,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:51:37,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:37,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:37,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:37,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:37,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:37,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 10:51:37,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:37,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:37,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:37,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:37,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:37,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:37,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:37,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:37,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:37,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:37,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:37,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-13 10:51:37,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:37,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:37,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:37,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:37,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:37,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:37,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:37,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:37,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:37,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:37,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:37,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-13 10:51:37,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:37,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:37,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:37,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:37,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:37,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:37,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:37,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:37,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:37,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:37,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:37,271 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 100 proven. 187 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-10-13 10:51:37,272 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [149513353] [2020-10-13 10:51:37,272 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:51:37,272 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-13 10:51:37,272 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947269919] [2020-10-13 10:51:37,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-13 10:51:37,273 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:51:37,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-13 10:51:37,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=163, Unknown=0, NotChecked=0, Total=272 [2020-10-13 10:51:37,274 INFO L87 Difference]: Start difference. First operand 104 states and 105 transitions. Second operand 17 states. [2020-10-13 10:51:37,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:51:37,442 INFO L93 Difference]: Finished difference Result 117 states and 119 transitions. [2020-10-13 10:51:37,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-13 10:51:37,442 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 101 [2020-10-13 10:51:37,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:51:37,443 INFO L225 Difference]: With dead ends: 117 [2020-10-13 10:51:37,444 INFO L226 Difference]: Without dead ends: 115 [2020-10-13 10:51:37,444 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=193, Unknown=0, NotChecked=0, Total=306 [2020-10-13 10:51:37,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-10-13 10:51:37,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 111. [2020-10-13 10:51:37,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-13 10:51:37,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 112 transitions. [2020-10-13 10:51:37,453 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 112 transitions. Word has length 101 [2020-10-13 10:51:37,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:51:37,453 INFO L479 AbstractCegarLoop]: Abstraction has 111 states and 112 transitions. [2020-10-13 10:51:37,454 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-13 10:51:37,454 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 112 transitions. [2020-10-13 10:51:37,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-13 10:51:37,455 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:51:37,455 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:51:37,456 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-13 10:51:37,456 INFO L427 AbstractCegarLoop]: === Iteration 25 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:51:37,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:51:37,456 INFO L82 PathProgramCache]: Analyzing trace with hash -1721535023, now seen corresponding path program 23 times [2020-10-13 10:51:37,456 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:51:37,457 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [187126810] [2020-10-13 10:51:37,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:51:37,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:37,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:38,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:38,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-13 10:51:38,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:38,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 640 [2020-10-13 10:51:38,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:38,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-13 10:51:38,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:51:38,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-13 10:51:38,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:38,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:51:38,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:38,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:38,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:38,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:51:38,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:38,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:38,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:38,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:51:38,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:38,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:51:38,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:38,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-13 10:51:38,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:38,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:38,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:38,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:38,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:38,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:38,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:38,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:38,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:38,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:38,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:38,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 10:51:38,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:38,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:38,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:38,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:38,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:38,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:38,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:38,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:38,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:38,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:38,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:38,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 10:51:38,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:38,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:38,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:38,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:38,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:38,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:38,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:38,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:38,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:38,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:38,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:38,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 10:51:38,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:38,495 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:38,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:38,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:38,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:38,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:38,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:38,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:38,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:38,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:38,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:38,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 10:51:38,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:38,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:38,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:38,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:38,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:38,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:38,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:38,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:38,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:38,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:38,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:38,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 10:51:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:38,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:38,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:38,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:38,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:38,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:38,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:38,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:38,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:38,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:38,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:38,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-13 10:51:38,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:38,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:38,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:38,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:38,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:38,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:38,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:38,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:38,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:38,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:38,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:38,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-13 10:51:38,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:38,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:38,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:38,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:38,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:38,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:38,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:38,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:38,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:38,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:38,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:38,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 10:51:38,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:38,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:38,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:38,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:38,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:38,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:38,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:38,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:38,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:38,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:38,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:38,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-13 10:51:38,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:38,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:38,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:38,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:38,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:38,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:51:38,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:38,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:38,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:38,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:38,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:38,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-13 10:51:38,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:38,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:38,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:38,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:38,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:38,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:51:38,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:38,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:38,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:38,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:38,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:38,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-13 10:51:38,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:38,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:38,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:38,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:38,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:38,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:38,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:38,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:38,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:38,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:38,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:38,573 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 246 proven. 78 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-10-13 10:51:38,573 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [187126810] [2020-10-13 10:51:38,574 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:51:38,574 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-13 10:51:38,574 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021156269] [2020-10-13 10:51:38,575 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-13 10:51:38,575 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:51:38,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-13 10:51:38,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=601, Unknown=0, NotChecked=0, Total=812 [2020-10-13 10:51:38,576 INFO L87 Difference]: Start difference. First operand 111 states and 112 transitions. Second operand 29 states. [2020-10-13 10:51:39,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:51:39,133 INFO L93 Difference]: Finished difference Result 159 states and 173 transitions. [2020-10-13 10:51:39,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-13 10:51:39,136 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 108 [2020-10-13 10:51:39,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:51:39,137 INFO L225 Difference]: With dead ends: 159 [2020-10-13 10:51:39,137 INFO L226 Difference]: Without dead ends: 112 [2020-10-13 10:51:39,139 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 246 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=449, Invalid=1357, Unknown=0, NotChecked=0, Total=1806 [2020-10-13 10:51:39,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-10-13 10:51:39,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2020-10-13 10:51:39,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-10-13 10:51:39,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 113 transitions. [2020-10-13 10:51:39,152 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 113 transitions. Word has length 108 [2020-10-13 10:51:39,152 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:51:39,152 INFO L479 AbstractCegarLoop]: Abstraction has 112 states and 113 transitions. [2020-10-13 10:51:39,152 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-13 10:51:39,152 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 113 transitions. [2020-10-13 10:51:39,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-13 10:51:39,154 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:51:39,154 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:51:39,154 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-13 10:51:39,154 INFO L427 AbstractCegarLoop]: === Iteration 26 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:51:39,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:51:39,155 INFO L82 PathProgramCache]: Analyzing trace with hash 937046168, now seen corresponding path program 24 times [2020-10-13 10:51:39,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:51:39,155 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [696902305] [2020-10-13 10:51:39,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:51:39,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:39,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:39,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:39,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-13 10:51:39,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:39,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 632 [2020-10-13 10:51:39,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:39,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-13 10:51:39,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:51:39,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-13 10:51:39,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:39,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:51:39,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:39,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:39,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:39,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:51:39,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:39,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:51:39,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:39,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:51:39,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:39,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:51:39,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:39,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 10:51:39,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:39,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:39,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:39,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:39,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:39,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:39,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:39,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:39,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:39,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:39,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:39,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 10:51:39,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:39,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:39,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:39,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:39,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:39,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:39,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:39,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:39,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:39,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:39,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:39,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-13 10:51:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:39,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:39,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:39,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:39,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:39,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:39,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:39,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:39,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:39,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:39,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:40,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 10:51:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:40,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:40,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:40,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:40,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:40,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:40,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:40,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:40,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:40,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:40,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:40,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-13 10:51:40,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:40,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:40,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:40,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:40,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:40,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:40,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:40,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:40,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:40,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:40,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:40,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 10:51:40,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:40,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:40,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:40,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:40,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:40,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:40,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:40,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:40,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:40,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:40,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:40,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-13 10:51:40,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:40,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:40,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:40,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:40,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:40,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:40,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:40,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:40,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:40,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:40,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:40,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-13 10:51:40,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:40,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:40,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:40,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:40,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:40,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:40,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:40,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:40,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:40,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:40,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:40,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 10:51:40,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:40,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:40,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:40,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:40,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:40,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:40,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:40,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:40,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:40,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:40,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:40,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-13 10:51:40,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:40,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:40,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:40,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:40,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:40,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:40,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:40,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:40,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:40,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:40,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:40,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 10:51:40,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:40,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:40,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:40,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:40,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:40,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:40,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:40,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:40,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:40,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:40,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:40,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-13 10:51:40,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:40,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:40,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:40,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:40,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:40,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:40,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:40,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:40,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:40,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:40,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:40,094 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 115 proven. 222 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-10-13 10:51:40,094 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [696902305] [2020-10-13 10:51:40,095 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:51:40,095 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-13 10:51:40,095 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034796686] [2020-10-13 10:51:40,096 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-13 10:51:40,096 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:51:40,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-13 10:51:40,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=182, Unknown=0, NotChecked=0, Total=306 [2020-10-13 10:51:40,098 INFO L87 Difference]: Start difference. First operand 112 states and 113 transitions. Second operand 18 states. [2020-10-13 10:51:40,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:51:40,267 INFO L93 Difference]: Finished difference Result 125 states and 127 transitions. [2020-10-13 10:51:40,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-13 10:51:40,268 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 109 [2020-10-13 10:51:40,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:51:40,269 INFO L225 Difference]: With dead ends: 125 [2020-10-13 10:51:40,270 INFO L226 Difference]: Without dead ends: 123 [2020-10-13 10:51:40,270 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=128, Invalid=214, Unknown=0, NotChecked=0, Total=342 [2020-10-13 10:51:40,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-10-13 10:51:40,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 119. [2020-10-13 10:51:40,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-10-13 10:51:40,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 120 transitions. [2020-10-13 10:51:40,284 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 120 transitions. Word has length 109 [2020-10-13 10:51:40,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:51:40,287 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 120 transitions. [2020-10-13 10:51:40,287 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-13 10:51:40,287 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 120 transitions. [2020-10-13 10:51:40,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-13 10:51:40,289 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:51:40,290 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:51:40,290 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-13 10:51:40,290 INFO L427 AbstractCegarLoop]: === Iteration 27 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:51:40,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:51:40,291 INFO L82 PathProgramCache]: Analyzing trace with hash -127313166, now seen corresponding path program 25 times [2020-10-13 10:51:40,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:51:40,291 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [553076678] [2020-10-13 10:51:40,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:51:40,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:40,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:41,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:41,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-13 10:51:41,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:41,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 780 [2020-10-13 10:51:41,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:41,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-13 10:51:41,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:51:41,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-13 10:51:41,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:41,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:51:41,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:41,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:41,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:41,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:51:41,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:41,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:51:41,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:41,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:51:41,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:41,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:51:41,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:51:41,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-13 10:51:41,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:41,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:41,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:41,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:41,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:41,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:41,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:41,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:41,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:41,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:41,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:41,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 10:51:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:41,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:41,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:41,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:41,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:41,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:41,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:41,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:41,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:41,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:41,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:41,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-13 10:51:41,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:41,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:41,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:41,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:41,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:41,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:41,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:41,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:41,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:41,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:41,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:41,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 10:51:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:41,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:41,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:41,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:41,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:41,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:41,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:41,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:41,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:41,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:41,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:41,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-13 10:51:41,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:41,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:41,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:41,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:41,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:41,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:41,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:41,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:41,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:41,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:41,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:41,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 10:51:41,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:41,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:41,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:41,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:41,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:41,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:41,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:41,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:41,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:41,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:41,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:41,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-13 10:51:41,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:41,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:41,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:41,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:41,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:41,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:41,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:41,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:41,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:41,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:41,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:41,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-13 10:51:41,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:41,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:41,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:41,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:41,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:41,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:41,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:41,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:41,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:41,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:41,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:41,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 10:51:41,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:41,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:41,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:41,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:41,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:41,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:41,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:41,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:41,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:41,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:41,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:41,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-13 10:51:41,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:41,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:41,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:41,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:41,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:41,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-13 10:51:41,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:41,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:41,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:41,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:41,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:41,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 10:51:41,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:41,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:41,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:41,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:41,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:41,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-13 10:51:41,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:41,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:41,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:41,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:41,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:41,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-13 10:51:41,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:41,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:41,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:41,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:41,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:41,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:41,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:41,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:41,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:41,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:41,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:41,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 10:51:41,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:41,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:41,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:41,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:41,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:41,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:41,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:41,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:41,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:41,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:41,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:41,620 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 286 proven. 91 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-10-13 10:51:41,620 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [553076678] [2020-10-13 10:51:41,620 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:51:41,620 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-13 10:51:41,620 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150770642] [2020-10-13 10:51:41,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-13 10:51:41,622 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:51:41,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-13 10:51:41,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=241, Invalid=689, Unknown=0, NotChecked=0, Total=930 [2020-10-13 10:51:41,623 INFO L87 Difference]: Start difference. First operand 119 states and 120 transitions. Second operand 31 states. [2020-10-13 10:51:42,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:51:42,374 INFO L93 Difference]: Finished difference Result 170 states and 185 transitions. [2020-10-13 10:51:42,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-13 10:51:42,375 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 116 [2020-10-13 10:51:42,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:51:42,376 INFO L225 Difference]: With dead ends: 170 [2020-10-13 10:51:42,376 INFO L226 Difference]: Without dead ends: 120 [2020-10-13 10:51:42,377 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=511, Invalid=1559, Unknown=0, NotChecked=0, Total=2070 [2020-10-13 10:51:42,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-10-13 10:51:42,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-10-13 10:51:42,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-10-13 10:51:42,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 121 transitions. [2020-10-13 10:51:42,386 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 121 transitions. Word has length 116 [2020-10-13 10:51:42,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:51:42,386 INFO L479 AbstractCegarLoop]: Abstraction has 120 states and 121 transitions. [2020-10-13 10:51:42,386 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-13 10:51:42,386 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 121 transitions. [2020-10-13 10:51:42,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-13 10:51:42,387 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:51:42,388 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:51:42,388 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-13 10:51:42,388 INFO L427 AbstractCegarLoop]: === Iteration 28 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:51:42,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:51:42,388 INFO L82 PathProgramCache]: Analyzing trace with hash -1162322247, now seen corresponding path program 26 times [2020-10-13 10:51:42,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:51:42,389 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1222625628] [2020-10-13 10:51:42,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:51:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:42,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:43,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:43,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-13 10:51:43,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:43,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 630 [2020-10-13 10:51:43,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:43,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-13 10:51:43,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:51:43,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-10-13 10:51:43,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:43,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:51:43,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:43,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:43,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:43,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:51:43,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:43,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:51:43,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:43,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:51:43,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:43,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:51:43,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:43,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 10:51:43,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:43,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:43,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:43,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:43,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:43,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:43,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:43,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:43,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:43,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:43,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:43,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 10:51:43,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:43,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:43,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:43,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:43,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:43,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:43,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:43,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:43,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:43,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:43,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:43,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 10:51:43,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:43,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:43,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:43,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:43,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:43,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:43,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:43,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:43,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:43,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:43,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:43,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-13 10:51:43,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:43,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:43,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:43,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:43,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:43,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:43,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:43,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:43,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:43,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:43,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:43,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 10:51:43,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:43,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:43,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:43,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:43,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:43,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:43,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:43,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:43,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:43,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:43,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:43,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 10:51:43,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:43,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:43,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:43,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:43,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:43,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:43,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:43,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:43,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:43,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:43,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:43,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 10:51:43,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:43,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:43,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:43,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:43,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:43,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:43,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:43,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:43,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:43,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:43,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:43,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-13 10:51:43,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:43,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:43,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:43,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:43,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:43,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:43,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:43,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:43,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:43,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:43,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:43,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 10:51:43,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:43,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:43,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:43,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:43,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:43,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:43,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:43,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:43,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:43,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:43,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:43,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-13 10:51:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:43,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:43,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:43,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:43,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:43,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:43,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:43,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:43,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:43,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:43,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:43,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-13 10:51:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:43,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:43,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:43,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:43,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:43,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:43,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:43,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:43,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:43,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:43,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:43,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 10:51:43,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:43,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:43,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:43,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:43,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:43,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:43,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:43,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:43,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:43,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:43,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:43,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-13 10:51:43,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:43,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:43,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:43,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:43,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:43,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:43,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:43,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:43,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:43,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:43,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:43,318 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 131 proven. 260 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-10-13 10:51:43,319 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1222625628] [2020-10-13 10:51:43,319 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:51:43,319 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-13 10:51:43,319 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1879283447] [2020-10-13 10:51:43,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-13 10:51:43,320 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:51:43,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-13 10:51:43,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=202, Unknown=0, NotChecked=0, Total=342 [2020-10-13 10:51:43,321 INFO L87 Difference]: Start difference. First operand 120 states and 121 transitions. Second operand 19 states. [2020-10-13 10:51:43,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:51:43,486 INFO L93 Difference]: Finished difference Result 133 states and 135 transitions. [2020-10-13 10:51:43,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-13 10:51:43,486 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 117 [2020-10-13 10:51:43,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:51:43,487 INFO L225 Difference]: With dead ends: 133 [2020-10-13 10:51:43,487 INFO L226 Difference]: Without dead ends: 131 [2020-10-13 10:51:43,488 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=144, Invalid=236, Unknown=0, NotChecked=0, Total=380 [2020-10-13 10:51:43,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-10-13 10:51:43,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 127. [2020-10-13 10:51:43,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-10-13 10:51:43,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 128 transitions. [2020-10-13 10:51:43,496 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 128 transitions. Word has length 117 [2020-10-13 10:51:43,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:51:43,497 INFO L479 AbstractCegarLoop]: Abstraction has 127 states and 128 transitions. [2020-10-13 10:51:43,497 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-13 10:51:43,497 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 128 transitions. [2020-10-13 10:51:43,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-13 10:51:43,498 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:51:43,498 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:51:43,498 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-13 10:51:43,499 INFO L427 AbstractCegarLoop]: === Iteration 29 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:51:43,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:51:43,499 INFO L82 PathProgramCache]: Analyzing trace with hash -102615631, now seen corresponding path program 27 times [2020-10-13 10:51:43,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:51:43,499 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1817358795] [2020-10-13 10:51:43,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:51:43,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:43,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:44,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:44,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-13 10:51:44,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:44,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 608 [2020-10-13 10:51:44,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:44,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-13 10:51:44,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:51:44,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-13 10:51:44,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:44,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:51:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:44,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:44,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:44,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:51:44,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:44,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:44,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:44,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:51:44,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:44,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:51:44,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:44,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-13 10:51:44,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:44,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:44,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:44,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:44,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:44,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:44,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:44,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:44,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:44,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:44,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:44,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 10:51:44,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:44,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:44,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:44,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:44,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:44,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:44,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:44,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:44,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:44,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:44,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:44,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 10:51:44,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:44,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:44,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:44,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:44,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:44,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:44,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:44,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:44,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:44,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:44,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:44,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-13 10:51:44,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:44,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:44,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:44,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:44,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:44,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 10:51:44,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:44,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:44,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:44,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:44,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:44,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 10:51:44,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:44,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:44,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:44,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:44,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:44,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:44,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:44,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:44,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:44,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:44,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:44,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 10:51:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:44,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:44,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:44,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:44,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:44,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-13 10:51:44,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:44,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:44,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:44,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:44,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:44,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 10:51:44,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:44,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:44,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:44,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:44,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:44,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:44,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:44,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:44,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:44,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:44,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:44,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-13 10:51:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:44,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:44,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:44,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:44,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:44,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:44,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:44,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:44,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:44,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:44,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:44,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 10:51:44,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:44,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:44,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:44,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:44,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:44,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:44,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:44,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:44,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:44,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:44,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:44,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-13 10:51:44,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:44,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:44,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:44,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:44,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:44,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:44,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:44,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:44,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:44,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:44,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:44,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-13 10:51:44,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:44,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:44,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:44,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:44,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:44,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:44,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:44,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:44,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:44,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:44,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:44,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 10:51:44,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:44,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:44,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:44,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:44,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:44,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:44,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:44,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:44,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:44,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:44,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:44,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-13 10:51:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:44,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:44,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:44,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:44,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:44,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:44,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:44,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:44,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:44,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:44,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:44,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-13 10:51:44,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:44,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:44,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:44,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:44,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:44,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:44,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:44,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:44,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:44,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:44,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:44,720 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 329 proven. 105 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2020-10-13 10:51:44,721 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1817358795] [2020-10-13 10:51:44,721 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:51:44,721 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2020-10-13 10:51:44,721 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [780278980] [2020-10-13 10:51:44,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-10-13 10:51:44,723 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:51:44,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-10-13 10:51:44,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=783, Unknown=0, NotChecked=0, Total=1056 [2020-10-13 10:51:44,724 INFO L87 Difference]: Start difference. First operand 127 states and 128 transitions. Second operand 33 states. [2020-10-13 10:51:45,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:51:45,534 INFO L93 Difference]: Finished difference Result 181 states and 197 transitions. [2020-10-13 10:51:45,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-13 10:51:45,535 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 124 [2020-10-13 10:51:45,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:51:45,537 INFO L225 Difference]: With dead ends: 181 [2020-10-13 10:51:45,537 INFO L226 Difference]: Without dead ends: 128 [2020-10-13 10:51:45,539 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 329 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=577, Invalid=1775, Unknown=0, NotChecked=0, Total=2352 [2020-10-13 10:51:45,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-10-13 10:51:45,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2020-10-13 10:51:45,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-10-13 10:51:45,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 129 transitions. [2020-10-13 10:51:45,561 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 129 transitions. Word has length 124 [2020-10-13 10:51:45,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:51:45,561 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 129 transitions. [2020-10-13 10:51:45,561 INFO L480 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-10-13 10:51:45,561 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 129 transitions. [2020-10-13 10:51:45,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-13 10:51:45,565 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:51:45,566 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:51:45,566 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-10-13 10:51:45,566 INFO L427 AbstractCegarLoop]: === Iteration 30 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:51:45,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:51:45,566 INFO L82 PathProgramCache]: Analyzing trace with hash 196117112, now seen corresponding path program 28 times [2020-10-13 10:51:45,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:51:45,567 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1680622545] [2020-10-13 10:51:45,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:51:45,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:45,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:46,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:46,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-13 10:51:46,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:46,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 748 [2020-10-13 10:51:46,347 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:46,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-13 10:51:46,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:51:46,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-13 10:51:46,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:46,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:51:46,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:46,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:46,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:46,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:51:46,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:46,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:46,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:46,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:51:46,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:46,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:51:46,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:46,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 10:51:46,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:46,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:46,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:46,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:46,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:46,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:46,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:46,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:46,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:46,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:46,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:46,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 10:51:46,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:46,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:46,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:46,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:46,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:46,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:46,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:46,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:46,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:46,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:46,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:46,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 10:51:46,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:46,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:46,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:46,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:46,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:46,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:46,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:46,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:46,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:46,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:46,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:46,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 10:51:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:46,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:46,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:46,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:46,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:46,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:46,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:46,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:46,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:46,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:46,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:46,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-13 10:51:46,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:46,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:46,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:46,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:46,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:46,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:46,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:46,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:46,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:46,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:46,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:46,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-13 10:51:46,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:46,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:46,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:46,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:46,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:46,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:46,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:46,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:46,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:46,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:46,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:46,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 10:51:46,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:46,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:46,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:46,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:46,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:46,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:46,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:46,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:46,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:46,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:46,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:46,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 10:51:46,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:46,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:46,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:46,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:46,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:46,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:46,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:46,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:46,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:46,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:46,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:46,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-13 10:51:46,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:46,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:46,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:46,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:46,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:46,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:46,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:46,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:46,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:46,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:46,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:46,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-13 10:51:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:46,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:46,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:46,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:46,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:46,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:46,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:46,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:46,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:46,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:46,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:46,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 10:51:46,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:46,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:46,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:46,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:46,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:46,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:46,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:46,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:46,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:46,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:46,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:46,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 10:51:46,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:46,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:46,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:46,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:46,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:46,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:46,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:46,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:46,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:46,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:46,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:46,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-13 10:51:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:46,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:46,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:46,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:46,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:46,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:46,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:46,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:46,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:46,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:46,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:46,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-13 10:51:46,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:46,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:46,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:46,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:46,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:46,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:46,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:46,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:46,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:46,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:46,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:46,633 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 148 proven. 301 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2020-10-13 10:51:46,633 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1680622545] [2020-10-13 10:51:46,634 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:51:46,634 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-13 10:51:46,634 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047626849] [2020-10-13 10:51:46,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-13 10:51:46,635 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:51:46,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-13 10:51:46,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=223, Unknown=0, NotChecked=0, Total=380 [2020-10-13 10:51:46,635 INFO L87 Difference]: Start difference. First operand 128 states and 129 transitions. Second operand 20 states. [2020-10-13 10:51:46,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:51:46,827 INFO L93 Difference]: Finished difference Result 141 states and 143 transitions. [2020-10-13 10:51:46,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-13 10:51:46,828 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 125 [2020-10-13 10:51:46,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:51:46,829 INFO L225 Difference]: With dead ends: 141 [2020-10-13 10:51:46,830 INFO L226 Difference]: Without dead ends: 139 [2020-10-13 10:51:46,830 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=161, Invalid=259, Unknown=0, NotChecked=0, Total=420 [2020-10-13 10:51:46,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-10-13 10:51:46,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 135. [2020-10-13 10:51:46,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-10-13 10:51:46,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 136 transitions. [2020-10-13 10:51:46,840 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 136 transitions. Word has length 125 [2020-10-13 10:51:46,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:51:46,840 INFO L479 AbstractCegarLoop]: Abstraction has 135 states and 136 transitions. [2020-10-13 10:51:46,840 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-13 10:51:46,840 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 136 transitions. [2020-10-13 10:51:46,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-13 10:51:46,842 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:51:46,842 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:51:46,842 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-13 10:51:46,842 INFO L427 AbstractCegarLoop]: === Iteration 31 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:51:46,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:51:46,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1812802834, now seen corresponding path program 29 times [2020-10-13 10:51:46,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:51:46,843 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [211480299] [2020-10-13 10:51:46,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:51:46,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:46,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:47,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:47,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-13 10:51:47,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:47,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 730 [2020-10-13 10:51:47,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:47,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-13 10:51:47,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:51:47,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-13 10:51:47,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:48,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:51:48,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:48,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:48,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:48,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:51:48,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:48,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:51:48,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:48,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:51:48,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:48,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:51:48,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:48,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-13 10:51:48,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:48,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:48,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:48,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:48,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:48,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:48,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:48,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:48,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:48,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:48,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:48,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 10:51:48,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:48,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:48,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:48,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:48,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:48,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:48,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:48,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:48,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:48,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:48,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:48,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 10:51:48,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:48,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:48,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:48,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:48,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:48,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:48,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:48,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:48,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:48,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:48,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:48,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 10:51:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:48,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:48,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:48,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:48,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:48,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:48,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:48,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:48,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:48,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:48,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:48,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-13 10:51:48,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:48,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:48,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:48,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:48,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:48,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:48,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:48,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:48,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:48,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:48,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:48,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-13 10:51:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:48,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:48,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:48,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:48,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:48,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:48,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:48,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:48,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:48,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:48,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:48,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 10:51:48,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:48,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:48,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:48,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:48,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:48,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:48,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:48,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:48,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:48,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:48,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:48,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 10:51:48,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:48,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:48,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:48,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:48,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:48,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:48,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:48,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:48,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:48,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:48,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:48,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-13 10:51:48,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:48,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:48,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:48,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:48,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:48,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:48,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:48,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:48,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:48,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:48,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:48,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-13 10:51:48,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:48,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:48,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:48,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:48,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:48,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:48,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:48,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:48,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:48,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:48,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:48,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 10:51:48,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:48,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:48,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:48,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:48,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:48,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:48,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:48,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:48,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:48,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:48,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:48,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 10:51:48,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:48,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:48,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:48,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:48,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:48,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:48,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:48,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:48,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:48,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:48,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:48,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-13 10:51:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:48,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:48,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:48,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:48,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:48,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:48,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:48,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:48,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:48,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:48,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:48,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-13 10:51:48,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:48,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:48,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:48,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:48,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:48,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:48,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:48,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:48,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:48,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:48,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:48,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-13 10:51:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:48,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:48,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:48,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:48,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:48,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:48,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:48,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:48,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:48,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:48,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:48,195 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 375 proven. 120 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2020-10-13 10:51:48,195 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [211480299] [2020-10-13 10:51:48,195 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:51:48,195 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2020-10-13 10:51:48,196 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877586275] [2020-10-13 10:51:48,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 35 states [2020-10-13 10:51:48,196 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:51:48,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2020-10-13 10:51:48,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=883, Unknown=0, NotChecked=0, Total=1190 [2020-10-13 10:51:48,197 INFO L87 Difference]: Start difference. First operand 135 states and 136 transitions. Second operand 35 states. [2020-10-13 10:51:49,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:51:49,068 INFO L93 Difference]: Finished difference Result 192 states and 209 transitions. [2020-10-13 10:51:49,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-13 10:51:49,069 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 132 [2020-10-13 10:51:49,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:51:49,070 INFO L225 Difference]: With dead ends: 192 [2020-10-13 10:51:49,070 INFO L226 Difference]: Without dead ends: 136 [2020-10-13 10:51:49,072 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 375 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=647, Invalid=2005, Unknown=0, NotChecked=0, Total=2652 [2020-10-13 10:51:49,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-10-13 10:51:49,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2020-10-13 10:51:49,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-10-13 10:51:49,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 137 transitions. [2020-10-13 10:51:49,081 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 137 transitions. Word has length 132 [2020-10-13 10:51:49,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:51:49,081 INFO L479 AbstractCegarLoop]: Abstraction has 136 states and 137 transitions. [2020-10-13 10:51:49,081 INFO L480 AbstractCegarLoop]: Interpolant automaton has 35 states. [2020-10-13 10:51:49,082 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 137 transitions. [2020-10-13 10:51:49,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-13 10:51:49,083 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:51:49,083 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:51:49,083 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-10-13 10:51:49,083 INFO L427 AbstractCegarLoop]: === Iteration 32 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:51:49,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:51:49,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1644282585, now seen corresponding path program 30 times [2020-10-13 10:51:49,084 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:51:49,084 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [998562358] [2020-10-13 10:51:49,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:51:49,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:49,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:49,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:49,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-13 10:51:49,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:49,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 650 [2020-10-13 10:51:49,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:49,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-13 10:51:49,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:51:49,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-13 10:51:49,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:49,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:51:49,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:49,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:49,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:49,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:51:49,973 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:49,973 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:51:49,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:49,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:51:49,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:49,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:51:49,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:49,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 10:51:49,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:49,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:49,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:49,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:49,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:49,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:49,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:49,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:49,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:49,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:49,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:49,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 10:51:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:49,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:49,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:49,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:49,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:49,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:49,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:49,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:49,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:49,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:49,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:49,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 10:51:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:49,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:49,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:49,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:49,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:49,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:49,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:49,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:49,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:49,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:49,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:49,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 10:51:49,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:49,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:49,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:49,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:49,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:49,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:49,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:49,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:49,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:49,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:49,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:49,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-13 10:51:49,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:49,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:49,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:49,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:49,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:49,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:49,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:49,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:49,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:49,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:49,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:49,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 10:51:49,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:50,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:50,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:50,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:50,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:50,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:50,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:50,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:50,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:50,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:50,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:50,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-13 10:51:50,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:50,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:50,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:50,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:50,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:50,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:50,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:50,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:50,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:50,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:50,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:50,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 10:51:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:50,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:50,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:50,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:50,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:50,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:50,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:50,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:50,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:50,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:50,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:50,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 10:51:50,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:50,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:50,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:50,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:50,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:50,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:50,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:50,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:50,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:50,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:50,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:50,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 10:51:50,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:50,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:50,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:50,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:50,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:50,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:50,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:50,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:50,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:50,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:50,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:50,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-13 10:51:50,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:50,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:50,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:50,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:50,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:50,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:50,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:50,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:50,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:50,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:50,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:50,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 10:51:50,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:50,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:50,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:50,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:50,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:50,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:50,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:50,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:50,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:50,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:50,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:50,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-13 10:51:50,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:50,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:50,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:50,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:50,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:50,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:50,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:50,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:50,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:50,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:50,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:50,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-13 10:51:50,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:50,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:50,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:50,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:50,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:50,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:50,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:50,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:50,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:50,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:50,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:50,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-13 10:51:50,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:50,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:50,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:50,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:50,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:50,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:50,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:50,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:50,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:50,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:50,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:50,065 INFO L134 CoverageAnalysis]: Checked inductivity of 931 backedges. 166 proven. 345 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2020-10-13 10:51:50,065 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [998562358] [2020-10-13 10:51:50,065 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:51:50,065 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-13 10:51:50,066 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606233522] [2020-10-13 10:51:50,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-13 10:51:50,066 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:51:50,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-13 10:51:50,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=245, Unknown=0, NotChecked=0, Total=420 [2020-10-13 10:51:50,067 INFO L87 Difference]: Start difference. First operand 136 states and 137 transitions. Second operand 21 states. [2020-10-13 10:51:50,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:51:50,246 INFO L93 Difference]: Finished difference Result 149 states and 151 transitions. [2020-10-13 10:51:50,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-13 10:51:50,247 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 133 [2020-10-13 10:51:50,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:51:50,249 INFO L225 Difference]: With dead ends: 149 [2020-10-13 10:51:50,249 INFO L226 Difference]: Without dead ends: 147 [2020-10-13 10:51:50,250 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=179, Invalid=283, Unknown=0, NotChecked=0, Total=462 [2020-10-13 10:51:50,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-10-13 10:51:50,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 143. [2020-10-13 10:51:50,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-10-13 10:51:50,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 144 transitions. [2020-10-13 10:51:50,259 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 144 transitions. Word has length 133 [2020-10-13 10:51:50,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:51:50,259 INFO L479 AbstractCegarLoop]: Abstraction has 143 states and 144 transitions. [2020-10-13 10:51:50,260 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-13 10:51:50,260 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 144 transitions. [2020-10-13 10:51:50,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-13 10:51:50,261 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:51:50,261 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:51:50,261 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-10-13 10:51:50,261 INFO L427 AbstractCegarLoop]: === Iteration 33 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:51:50,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:51:50,262 INFO L82 PathProgramCache]: Analyzing trace with hash 807792017, now seen corresponding path program 31 times [2020-10-13 10:51:50,262 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:51:50,262 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [892691772] [2020-10-13 10:51:50,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:51:50,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:50,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:50,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:50,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-13 10:51:50,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:50,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 631 [2020-10-13 10:51:50,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:50,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-10-13 10:51:50,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:51:50,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-10-13 10:51:50,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:51,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:51:51,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:51,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:51,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:51,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:51:51,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:51,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:51:51,506 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:51,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:51:51,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:51,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:51:51,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:51,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-13 10:51:51,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:51,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:51,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:51,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:51,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:51,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:51,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:51,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:51,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:51,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:51,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:51,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 10:51:51,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:51,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:51,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:51,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:51,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:51,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:51,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:51,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:51,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:51,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:51,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:51,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 10:51:51,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:51,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:51,516 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:51,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:51,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:51,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:51,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:51,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:51,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:51,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:51,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:51,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 10:51:51,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:51,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:51,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:51,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:51,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:51,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:51,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:51,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:51,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:51,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:51,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:51,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-13 10:51:51,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:51,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:51,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:51,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:51,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:51,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:51,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:51,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:51,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:51,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:51,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:51,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 10:51:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:51,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:51,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:51,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:51,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:51,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:51,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:51,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:51,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:51,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:51,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:51,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-13 10:51:51,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:51,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:51,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:51,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:51,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:51,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:51,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:51,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:51,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:51,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:51,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:51,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 10:51:51,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:51,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:51,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:51,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:51,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:51,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:51,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:51,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:51,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:51,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:51,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:51,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 10:51:51,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:51,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:51,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:51,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:51,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:51,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:51,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:51,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:51,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:51,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:51,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:51,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 10:51:51,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:51,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:51,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:51,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:51,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:51,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:51,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:51,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:51,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:51,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:51,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:51,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-13 10:51:51,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:51,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:51,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:51,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:51,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:51,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:51,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:51,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:51,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:51,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:51,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:51,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 10:51:51,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:51,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:51,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:51,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:51,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:51,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:51,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:51,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:51,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:51,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:51,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:51,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-13 10:51:51,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:51,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:51,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:51,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:51,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:51,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:51,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:51,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:51,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:51,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:51,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:51,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-13 10:51:51,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:51,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:51,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:51,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:51,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:51,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:51,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:51,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:51,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:51,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:51,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:51,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-13 10:51:51,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:51,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:51,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:51,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:51,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:51,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:51,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:51,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:51,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:51,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:51,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:51,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-13 10:51:51,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:51,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:51,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:51,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:51,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:51,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:51,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:51,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:51,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:51,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:51,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:51,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1040 backedges. 424 proven. 136 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2020-10-13 10:51:51,593 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [892691772] [2020-10-13 10:51:51,593 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:51:51,593 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2020-10-13 10:51:51,594 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1995314248] [2020-10-13 10:51:51,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 37 states [2020-10-13 10:51:51,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:51:51,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2020-10-13 10:51:51,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=343, Invalid=989, Unknown=0, NotChecked=0, Total=1332 [2020-10-13 10:51:51,595 INFO L87 Difference]: Start difference. First operand 143 states and 144 transitions. Second operand 37 states. [2020-10-13 10:51:52,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:51:52,620 INFO L93 Difference]: Finished difference Result 203 states and 221 transitions. [2020-10-13 10:51:52,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-13 10:51:52,625 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 140 [2020-10-13 10:51:52,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:51:52,626 INFO L225 Difference]: With dead ends: 203 [2020-10-13 10:51:52,627 INFO L226 Difference]: Without dead ends: 144 [2020-10-13 10:51:52,628 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 424 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=721, Invalid=2249, Unknown=0, NotChecked=0, Total=2970 [2020-10-13 10:51:52,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-10-13 10:51:52,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2020-10-13 10:51:52,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-10-13 10:51:52,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 145 transitions. [2020-10-13 10:51:52,638 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 145 transitions. Word has length 140 [2020-10-13 10:51:52,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:51:52,638 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 145 transitions. [2020-10-13 10:51:52,638 INFO L480 AbstractCegarLoop]: Interpolant automaton has 37 states. [2020-10-13 10:51:52,638 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 145 transitions. [2020-10-13 10:51:52,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-13 10:51:52,639 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:51:52,639 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:51:52,640 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-10-13 10:51:52,640 INFO L427 AbstractCegarLoop]: === Iteration 34 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:51:52,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:51:52,640 INFO L82 PathProgramCache]: Analyzing trace with hash 132631640, now seen corresponding path program 32 times [2020-10-13 10:51:52,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:51:52,641 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1336230457] [2020-10-13 10:51:52,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:51:52,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:52,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:53,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:53,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-13 10:51:53,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:53,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 660 [2020-10-13 10:51:53,320 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:53,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-13 10:51:53,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:51:53,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-13 10:51:53,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:53,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:51:53,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:53,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:53,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:53,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:51:53,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:53,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:51:53,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:53,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:51:53,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:53,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:51:53,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:53,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 10:51:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:53,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:53,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:53,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:53,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:53,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:53,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:53,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:53,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:53,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:53,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:53,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 10:51:53,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:53,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:53,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:53,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:53,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:53,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:53,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:53,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:53,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:53,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:53,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:53,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 10:51:53,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:53,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:53,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:53,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:53,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:53,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:51:53,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:53,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:53,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:53,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:53,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:53,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 10:51:53,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:53,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:53,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:53,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:53,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:53,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:53,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:53,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:53,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:53,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:53,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:53,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-13 10:51:53,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:53,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:53,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:53,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:53,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:53,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:53,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:53,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:53,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:53,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:53,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:53,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 10:51:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:53,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:53,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:53,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:53,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:53,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:53,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:53,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:53,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:53,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:53,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:53,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-13 10:51:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:53,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:53,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:53,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:53,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:53,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:53,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:53,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:53,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:53,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:53,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:53,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-13 10:51:53,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:53,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:53,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:53,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:53,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:53,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:53,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:53,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:53,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:53,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:53,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:53,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 10:51:53,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:53,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:53,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:53,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:53,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:53,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:51:53,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:53,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:53,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:53,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:53,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:53,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-13 10:51:53,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:53,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:53,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:53,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:53,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:53,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:51:53,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:53,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:53,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:53,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:53,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:53,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-13 10:51:53,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:53,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:53,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:53,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:53,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:53,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:53,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:53,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:53,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:53,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:53,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:53,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-13 10:51:53,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:53,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:53,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:53,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:53,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:53,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:51:53,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:53,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:53,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:53,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:53,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:53,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 10:51:53,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:53,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:53,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:53,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:53,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:53,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:53,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:53,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:53,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:53,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:53,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:53,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-13 10:51:53,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:53,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:53,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:53,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:53,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:53,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:53,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:53,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:53,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:53,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:53,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:53,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-13 10:51:53,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:53,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:53,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:53,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:53,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:53,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:53,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:53,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:53,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:53,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:53,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:53,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-13 10:51:53,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:53,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:53,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:53,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:53,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:53,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:53,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:53,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:53,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:53,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:53,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:53,648 INFO L134 CoverageAnalysis]: Checked inductivity of 1057 backedges. 185 proven. 392 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2020-10-13 10:51:53,648 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1336230457] [2020-10-13 10:51:53,648 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:51:53,648 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-13 10:51:53,648 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092298391] [2020-10-13 10:51:53,649 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-13 10:51:53,649 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:51:53,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-13 10:51:53,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=268, Unknown=0, NotChecked=0, Total=462 [2020-10-13 10:51:53,650 INFO L87 Difference]: Start difference. First operand 144 states and 145 transitions. Second operand 22 states. [2020-10-13 10:51:53,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:51:53,851 INFO L93 Difference]: Finished difference Result 157 states and 159 transitions. [2020-10-13 10:51:53,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-13 10:51:53,852 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 141 [2020-10-13 10:51:53,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:51:53,853 INFO L225 Difference]: With dead ends: 157 [2020-10-13 10:51:53,853 INFO L226 Difference]: Without dead ends: 155 [2020-10-13 10:51:53,854 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=198, Invalid=308, Unknown=0, NotChecked=0, Total=506 [2020-10-13 10:51:53,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-10-13 10:51:53,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 151. [2020-10-13 10:51:53,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-10-13 10:51:53,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 152 transitions. [2020-10-13 10:51:53,862 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 152 transitions. Word has length 141 [2020-10-13 10:51:53,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:51:53,862 INFO L479 AbstractCegarLoop]: Abstraction has 151 states and 152 transitions. [2020-10-13 10:51:53,862 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-13 10:51:53,863 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 152 transitions. [2020-10-13 10:51:53,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-13 10:51:53,863 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:51:53,864 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:51:53,864 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-10-13 10:51:53,864 INFO L427 AbstractCegarLoop]: === Iteration 35 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:51:53,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:51:53,864 INFO L82 PathProgramCache]: Analyzing trace with hash -1362557134, now seen corresponding path program 33 times [2020-10-13 10:51:53,864 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:51:53,865 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1264220661] [2020-10-13 10:51:53,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:51:53,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:53,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:54,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:54,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-13 10:51:54,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:54,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 660 [2020-10-13 10:51:54,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:54,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-13 10:51:54,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:51:54,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-13 10:51:54,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:55,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:51:55,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:55,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:55,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:55,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:51:55,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:55,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:51:55,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:55,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:51:55,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:55,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:51:55,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:55,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-13 10:51:55,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:55,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:55,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:55,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:55,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:55,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:55,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:55,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:55,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:55,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:55,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:55,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 10:51:55,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:55,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:55,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:55,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:55,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:55,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:55,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:55,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:55,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:55,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:55,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:55,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 10:51:55,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:55,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:55,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:55,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:55,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:55,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:55,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:55,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:55,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:55,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:55,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:55,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 10:51:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:55,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:55,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:55,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:55,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:55,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:55,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:55,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:55,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:55,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:55,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:55,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-13 10:51:55,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:55,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:55,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:55,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:55,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:55,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:55,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:55,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:55,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:55,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:55,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:55,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 10:51:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:55,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:55,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:55,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:55,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:55,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:55,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:55,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:55,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:55,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:55,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:55,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-13 10:51:55,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:55,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:55,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:55,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:55,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:55,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:55,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:55,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:55,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:55,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:55,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:55,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-13 10:51:55,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:55,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:55,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:55,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:55,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:55,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:55,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:55,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:55,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:55,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:55,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:55,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 10:51:55,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:55,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:55,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:55,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:55,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:55,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:55,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:55,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:55,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:55,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:55,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:55,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-13 10:51:55,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:55,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:55,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:55,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:55,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:55,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:55,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:55,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:55,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:55,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:55,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:55,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-13 10:51:55,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:55,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:55,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:55,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:55,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:55,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:55,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:55,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:55,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:55,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:55,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:55,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-13 10:51:55,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:55,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:55,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:55,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:55,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:55,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:55,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:55,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:55,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:55,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:55,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:55,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 10:51:55,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:55,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:55,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:55,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:55,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:55,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:55,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:55,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:55,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:55,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:55,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:55,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-13 10:51:55,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:55,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:55,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:55,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:55,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:55,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:55,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:55,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:55,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:55,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:55,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:55,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-13 10:51:55,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:55,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:55,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:55,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:55,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:55,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:55,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:55,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:55,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:55,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:55,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:55,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-13 10:51:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:55,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:55,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:55,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:55,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:55,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:55,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:55,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:55,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:55,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:55,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:55,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-13 10:51:55,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:55,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:55,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:55,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:55,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:55,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:55,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:55,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:55,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:55,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:55,256 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:55,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 476 proven. 153 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2020-10-13 10:51:55,270 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1264220661] [2020-10-13 10:51:55,270 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:51:55,270 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2020-10-13 10:51:55,270 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023950707] [2020-10-13 10:51:55,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 39 states [2020-10-13 10:51:55,271 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:51:55,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2020-10-13 10:51:55,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=381, Invalid=1101, Unknown=0, NotChecked=0, Total=1482 [2020-10-13 10:51:55,272 INFO L87 Difference]: Start difference. First operand 151 states and 152 transitions. Second operand 39 states. [2020-10-13 10:51:56,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:51:56,382 INFO L93 Difference]: Finished difference Result 214 states and 233 transitions. [2020-10-13 10:51:56,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-13 10:51:56,385 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 148 [2020-10-13 10:51:56,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:51:56,387 INFO L225 Difference]: With dead ends: 214 [2020-10-13 10:51:56,387 INFO L226 Difference]: Without dead ends: 152 [2020-10-13 10:51:56,389 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 476 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=799, Invalid=2507, Unknown=0, NotChecked=0, Total=3306 [2020-10-13 10:51:56,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2020-10-13 10:51:56,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2020-10-13 10:51:56,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-10-13 10:51:56,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 153 transitions. [2020-10-13 10:51:56,398 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 153 transitions. Word has length 148 [2020-10-13 10:51:56,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:51:56,399 INFO L479 AbstractCegarLoop]: Abstraction has 152 states and 153 transitions. [2020-10-13 10:51:56,399 INFO L480 AbstractCegarLoop]: Interpolant automaton has 39 states. [2020-10-13 10:51:56,399 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 153 transitions. [2020-10-13 10:51:56,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-13 10:51:56,400 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:51:56,400 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:51:56,400 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-10-13 10:51:56,400 INFO L427 AbstractCegarLoop]: === Iteration 36 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:51:56,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:51:56,401 INFO L82 PathProgramCache]: Analyzing trace with hash -822137095, now seen corresponding path program 34 times [2020-10-13 10:51:56,401 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:51:56,401 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [260031969] [2020-10-13 10:51:56,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:51:56,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:56,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:57,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:57,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-10-13 10:51:57,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:57,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 802 [2020-10-13 10:51:57,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:57,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-13 10:51:57,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:51:57,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-13 10:51:57,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:57,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:51:57,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:57,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:57,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:57,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:51:57,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:57,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:51:57,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:57,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:51:57,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:57,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:51:57,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:57,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 10:51:57,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:57,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:57,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:57,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:57,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:57,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:57,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:57,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:57,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:57,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:57,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:57,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 10:51:57,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:57,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:57,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:57,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:57,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:57,510 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:57,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:57,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:57,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:57,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:57,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:57,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 10:51:57,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:57,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:57,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:57,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:57,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:57,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:57,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:57,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:57,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:57,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:57,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:57,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 10:51:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:57,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:57,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:57,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:57,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:57,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:57,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:57,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:57,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:57,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:57,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:57,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 10:51:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:57,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:57,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:57,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:57,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:57,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:51:57,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:57,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:57,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:57,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:57,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:57,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 10:51:57,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:57,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:57,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:57,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:57,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:57,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:57,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:57,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:57,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:57,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:57,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:57,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-13 10:51:57,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:57,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:57,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:57,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:57,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:57,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:57,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:57,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:57,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:57,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:57,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:57,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 10:51:57,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:57,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:57,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:57,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:57,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:57,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:51:57,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:57,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:57,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:57,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:57,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:57,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 10:51:57,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:57,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:57,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:57,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:57,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:57,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:57,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:57,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:57,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:57,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:57,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:57,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-13 10:51:57,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:57,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:57,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:57,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:57,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:57,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:57,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:57,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:57,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:57,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:57,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:57,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 10:51:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:57,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:57,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:57,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:57,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:57,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:51:57,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:57,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:57,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:57,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:57,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:57,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-13 10:51:57,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:57,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:57,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:57,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:57,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:57,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:51:57,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:57,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:57,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:57,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:57,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:57,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-13 10:51:57,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:57,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:57,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:57,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:57,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:57,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:57,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:57,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:57,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:57,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:57,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:57,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-13 10:51:57,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:57,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:57,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:57,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:57,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:57,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:57,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:57,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:57,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:57,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:57,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:57,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-13 10:51:57,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:57,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:57,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:57,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:57,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:57,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:57,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:57,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:57,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:57,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:57,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:57,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 10:51:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:57,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:57,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:57,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:57,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:57,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:57,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:57,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:57,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:57,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:57,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:57,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-13 10:51:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:57,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:57,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:57,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:57,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:57,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:57,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:57,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:57,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:57,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:57,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:57,577 INFO L134 CoverageAnalysis]: Checked inductivity of 1191 backedges. 205 proven. 442 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2020-10-13 10:51:57,577 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [260031969] [2020-10-13 10:51:57,577 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:51:57,577 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-13 10:51:57,578 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701828948] [2020-10-13 10:51:57,578 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-13 10:51:57,578 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:51:57,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-13 10:51:57,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=214, Invalid=292, Unknown=0, NotChecked=0, Total=506 [2020-10-13 10:51:57,579 INFO L87 Difference]: Start difference. First operand 152 states and 153 transitions. Second operand 23 states. [2020-10-13 10:51:57,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:51:57,797 INFO L93 Difference]: Finished difference Result 165 states and 167 transitions. [2020-10-13 10:51:57,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-13 10:51:57,797 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 149 [2020-10-13 10:51:57,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:51:57,799 INFO L225 Difference]: With dead ends: 165 [2020-10-13 10:51:57,799 INFO L226 Difference]: Without dead ends: 163 [2020-10-13 10:51:57,800 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=218, Invalid=334, Unknown=0, NotChecked=0, Total=552 [2020-10-13 10:51:57,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-10-13 10:51:57,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 159. [2020-10-13 10:51:57,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-10-13 10:51:57,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 160 transitions. [2020-10-13 10:51:57,807 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 160 transitions. Word has length 149 [2020-10-13 10:51:57,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:51:57,808 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 160 transitions. [2020-10-13 10:51:57,808 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-13 10:51:57,808 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 160 transitions. [2020-10-13 10:51:57,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-13 10:51:57,808 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:51:57,809 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:51:57,809 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-10-13 10:51:57,809 INFO L427 AbstractCegarLoop]: === Iteration 37 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:51:57,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:51:57,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1751343759, now seen corresponding path program 35 times [2020-10-13 10:51:57,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:51:57,809 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [388846910] [2020-10-13 10:51:57,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:51:57,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:57,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:58,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:58,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-10-13 10:51:58,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:58,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 784 [2020-10-13 10:51:58,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:58,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-10-13 10:51:58,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:51:58,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 184 [2020-10-13 10:51:58,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:59,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:51:59,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:59,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:59,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:59,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:51:59,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:59,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:51:59,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:59,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:51:59,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:59,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:51:59,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:59,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-13 10:51:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:59,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:59,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:59,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:59,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:59,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:59,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:59,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:59,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:59,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:59,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:59,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 10:51:59,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:59,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:59,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:59,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:59,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:59,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:59,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:59,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:59,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:59,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:59,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:59,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 10:51:59,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:59,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:59,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:59,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:59,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:59,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:59,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:59,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:59,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:59,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:59,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:59,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 10:51:59,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:59,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:59,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:59,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:59,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:59,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:59,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:59,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:59,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:59,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:59,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:59,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 10:51:59,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:59,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:59,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:59,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:59,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:59,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:59,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:59,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:59,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:59,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:59,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:59,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 10:51:59,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:59,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:59,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:59,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:59,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:59,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:59,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:59,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:59,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:59,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:59,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:59,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-13 10:51:59,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:59,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:59,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:59,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:59,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:59,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:59,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:59,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:59,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:59,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:59,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:59,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 10:51:59,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:59,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:59,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:59,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:59,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:59,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:59,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:59,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:59,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:59,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:59,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:59,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 10:51:59,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:59,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:59,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:59,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:59,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:59,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:59,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:59,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:59,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:59,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:59,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:59,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-13 10:51:59,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:59,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:59,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:59,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:59,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:59,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:59,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:59,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:59,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:59,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:59,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:59,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 10:51:59,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:59,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:59,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:59,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:59,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:59,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:59,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:59,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:59,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:59,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:59,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:59,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-13 10:51:59,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:59,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:59,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:59,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:59,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:59,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:59,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:59,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:59,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:59,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:59,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:59,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-13 10:51:59,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:59,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:59,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:59,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:59,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:59,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:59,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:59,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:59,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:59,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:59,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:59,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-13 10:51:59,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:59,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:59,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:59,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:59,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:59,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:59,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:59,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:59,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:59,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:59,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:59,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-13 10:51:59,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:59,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:59,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:59,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:59,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:59,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:59,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:59,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:59,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:59,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:59,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:59,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 10:51:59,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:59,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:59,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:59,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:59,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:59,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:59,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:59,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:59,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:59,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:59,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:59,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-13 10:51:59,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:59,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:59,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:59,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:59,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:59,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:59,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:59,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:59,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:59,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:59,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:59,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-13 10:51:59,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:51:59,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:51:59,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:51:59,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:51:59,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:51:59,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:51:59,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:51:59,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:51:59,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:51:59,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:51:59,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:51:59,421 INFO L134 CoverageAnalysis]: Checked inductivity of 1314 backedges. 531 proven. 171 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2020-10-13 10:51:59,421 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [388846910] [2020-10-13 10:51:59,422 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:51:59,422 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2020-10-13 10:51:59,422 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130199715] [2020-10-13 10:51:59,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 41 states [2020-10-13 10:51:59,423 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:51:59,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2020-10-13 10:51:59,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=421, Invalid=1219, Unknown=0, NotChecked=0, Total=1640 [2020-10-13 10:51:59,424 INFO L87 Difference]: Start difference. First operand 159 states and 160 transitions. Second operand 41 states. [2020-10-13 10:52:00,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:52:00,637 INFO L93 Difference]: Finished difference Result 225 states and 245 transitions. [2020-10-13 10:52:00,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-10-13 10:52:00,638 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 156 [2020-10-13 10:52:00,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:52:00,642 INFO L225 Difference]: With dead ends: 225 [2020-10-13 10:52:00,642 INFO L226 Difference]: Without dead ends: 160 [2020-10-13 10:52:00,647 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 531 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=881, Invalid=2779, Unknown=0, NotChecked=0, Total=3660 [2020-10-13 10:52:00,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-10-13 10:52:00,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2020-10-13 10:52:00,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-10-13 10:52:00,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 161 transitions. [2020-10-13 10:52:00,662 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 161 transitions. Word has length 156 [2020-10-13 10:52:00,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:52:00,662 INFO L479 AbstractCegarLoop]: Abstraction has 160 states and 161 transitions. [2020-10-13 10:52:00,662 INFO L480 AbstractCegarLoop]: Interpolant automaton has 41 states. [2020-10-13 10:52:00,662 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 161 transitions. [2020-10-13 10:52:00,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-13 10:52:00,664 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:52:00,664 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:52:00,665 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-10-13 10:52:00,665 INFO L427 AbstractCegarLoop]: === Iteration 38 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:52:00,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:52:00,665 INFO L82 PathProgramCache]: Analyzing trace with hash -806482376, now seen corresponding path program 36 times [2020-10-13 10:52:00,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:52:00,666 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [761988666] [2020-10-13 10:52:00,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:52:00,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:00,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:01,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:01,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-13 10:52:01,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:01,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 830 [2020-10-13 10:52:01,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:01,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-13 10:52:01,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:52:01,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 190 [2020-10-13 10:52:01,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:01,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:52:01,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:01,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:01,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:01,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:52:01,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:01,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:01,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:01,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:52:01,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:01,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:52:01,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:01,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 10:52:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:01,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:01,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:01,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:01,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:01,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:01,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:01,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:01,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:01,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:01,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:01,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 10:52:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:01,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:01,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:01,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:01,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:01,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:01,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:01,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:01,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:01,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:01,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:01,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 10:52:01,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:01,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:01,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:01,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:01,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:01,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:01,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:01,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:01,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:01,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:01,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:01,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 10:52:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:01,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:01,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:01,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:01,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:01,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:01,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:01,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:01,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:01,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:01,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:01,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 10:52:01,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:01,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:01,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:01,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:01,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:01,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:01,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:01,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:01,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:01,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:01,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:01,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-13 10:52:01,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:01,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:01,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:01,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:01,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:01,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:01,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:01,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:01,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:01,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:01,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:01,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-13 10:52:01,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:01,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:01,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:01,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:01,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:01,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:01,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:01,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:01,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:01,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:01,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:01,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 10:52:01,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:01,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:01,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:01,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:01,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:01,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:01,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:01,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:01,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:01,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:01,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:01,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-13 10:52:01,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:01,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:01,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:01,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:01,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:01,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:01,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:01,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:01,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:01,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:01,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:01,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-13 10:52:01,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:01,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:01,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:01,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:01,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:01,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:01,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:01,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:01,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:01,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:01,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:01,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-13 10:52:01,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:01,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:01,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:01,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:01,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:01,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:01,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:01,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:01,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:01,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:01,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:01,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 10:52:01,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:01,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:01,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:01,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:01,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:01,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:01,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:01,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:01,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:01,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:01,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:01,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-13 10:52:01,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:01,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:01,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:01,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:01,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:01,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:01,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:01,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:01,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:01,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:01,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:01,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 10:52:01,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:01,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:01,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:01,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:01,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:01,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:01,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:01,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:01,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:01,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:01,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:01,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-13 10:52:01,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:01,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:01,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:01,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:01,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:01,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:01,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:01,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:01,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:01,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:01,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:01,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-13 10:52:01,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:01,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:01,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:01,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:01,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:01,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:01,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:01,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:01,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:01,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:01,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:01,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 10:52:01,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:01,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:01,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:01,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:01,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:01,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:01,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:01,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:01,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:01,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:01,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:01,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-13 10:52:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:01,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:01,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:01,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:01,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:01,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:01,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:01,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:01,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:01,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:01,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:01,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1333 backedges. 226 proven. 495 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2020-10-13 10:52:01,930 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [761988666] [2020-10-13 10:52:01,930 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:52:01,930 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-13 10:52:01,930 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157440504] [2020-10-13 10:52:01,931 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-13 10:52:01,931 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:52:01,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-13 10:52:01,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=317, Unknown=0, NotChecked=0, Total=552 [2020-10-13 10:52:01,932 INFO L87 Difference]: Start difference. First operand 160 states and 161 transitions. Second operand 24 states. [2020-10-13 10:52:02,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:52:02,146 INFO L93 Difference]: Finished difference Result 173 states and 175 transitions. [2020-10-13 10:52:02,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-13 10:52:02,147 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 157 [2020-10-13 10:52:02,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:52:02,148 INFO L225 Difference]: With dead ends: 173 [2020-10-13 10:52:02,148 INFO L226 Difference]: Without dead ends: 171 [2020-10-13 10:52:02,149 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=239, Invalid=361, Unknown=0, NotChecked=0, Total=600 [2020-10-13 10:52:02,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-10-13 10:52:02,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 167. [2020-10-13 10:52:02,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2020-10-13 10:52:02,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 168 transitions. [2020-10-13 10:52:02,159 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 168 transitions. Word has length 157 [2020-10-13 10:52:02,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:52:02,159 INFO L479 AbstractCegarLoop]: Abstraction has 167 states and 168 transitions. [2020-10-13 10:52:02,160 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-13 10:52:02,160 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 168 transitions. [2020-10-13 10:52:02,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-13 10:52:02,161 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:52:02,161 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:52:02,161 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2020-10-13 10:52:02,161 INFO L427 AbstractCegarLoop]: === Iteration 39 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:52:02,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:52:02,161 INFO L82 PathProgramCache]: Analyzing trace with hash 91154770, now seen corresponding path program 37 times [2020-10-13 10:52:02,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:52:02,162 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1977160176] [2020-10-13 10:52:02,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:52:02,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:02,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:03,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:03,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-10-13 10:52:03,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:03,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 871 [2020-10-13 10:52:03,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:03,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-13 10:52:03,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:52:03,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 194 [2020-10-13 10:52:03,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:03,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:52:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:03,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:03,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:03,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:52:03,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:03,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:03,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:03,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:52:03,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:03,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:52:03,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:03,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-13 10:52:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:03,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:03,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:03,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:03,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:03,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:03,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:03,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:03,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:03,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:03,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:03,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 10:52:03,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:03,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:03,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:03,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:03,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:03,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:03,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:03,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:03,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:03,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:03,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:03,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 10:52:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:03,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:03,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:03,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:03,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:03,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:03,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:03,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:03,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:03,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:03,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:03,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 10:52:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:03,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:03,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:03,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:03,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:03,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:03,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:03,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:03,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:03,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:03,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:03,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 10:52:03,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:03,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:03,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:03,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:03,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:03,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:03,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:03,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:03,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:03,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:03,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:03,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-13 10:52:03,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:03,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:03,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:03,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:03,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:03,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:03,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:03,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:03,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:03,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:03,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:03,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-13 10:52:03,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:03,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:03,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:03,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:03,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:03,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:03,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:03,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:03,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:03,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:03,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:03,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 10:52:03,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:03,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:03,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:03,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:03,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:03,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:03,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:03,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:03,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:03,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:03,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:03,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-13 10:52:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:03,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:03,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:03,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:03,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:03,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:03,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:03,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:03,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:03,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:03,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:03,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-13 10:52:03,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:03,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:03,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:03,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:03,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:03,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:03,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:03,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:03,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:03,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:03,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:03,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-13 10:52:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:03,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:03,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:03,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:03,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:03,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:03,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:03,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:03,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:03,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:03,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:03,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 10:52:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:03,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:03,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:03,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:03,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:03,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:03,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:03,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:03,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:03,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:03,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:03,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-13 10:52:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:03,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:03,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:03,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:03,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:03,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:03,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:03,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:03,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:03,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:03,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:03,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 10:52:03,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:03,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:03,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:03,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:03,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:03,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:03,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:03,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:03,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:03,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:03,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:03,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-13 10:52:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:03,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:03,867 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:03,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:03,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:03,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:03,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:03,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:03,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:03,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:03,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:03,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-13 10:52:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:03,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:03,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:03,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:03,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:03,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:03,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:03,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:03,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:03,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:03,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:03,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 10:52:03,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:03,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:03,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:03,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:03,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:03,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:03,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:03,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:03,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:03,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:03,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:03,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-13 10:52:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:03,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:03,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:03,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:03,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:03,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:03,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:03,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:03,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:03,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:03,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:03,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-13 10:52:03,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:03,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:03,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:03,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:03,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:03,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:03,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:03,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:03,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:03,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:03,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:03,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1463 backedges. 589 proven. 190 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2020-10-13 10:52:03,901 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1977160176] [2020-10-13 10:52:03,901 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:52:03,901 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2020-10-13 10:52:03,901 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302534550] [2020-10-13 10:52:03,902 INFO L459 AbstractCegarLoop]: Interpolant automaton has 43 states [2020-10-13 10:52:03,902 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:52:03,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2020-10-13 10:52:03,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=463, Invalid=1343, Unknown=0, NotChecked=0, Total=1806 [2020-10-13 10:52:03,903 INFO L87 Difference]: Start difference. First operand 167 states and 168 transitions. Second operand 43 states. [2020-10-13 10:52:05,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:52:05,248 INFO L93 Difference]: Finished difference Result 236 states and 257 transitions. [2020-10-13 10:52:05,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-10-13 10:52:05,249 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 164 [2020-10-13 10:52:05,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:52:05,250 INFO L225 Difference]: With dead ends: 236 [2020-10-13 10:52:05,250 INFO L226 Difference]: Without dead ends: 168 [2020-10-13 10:52:05,252 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 589 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=967, Invalid=3065, Unknown=0, NotChecked=0, Total=4032 [2020-10-13 10:52:05,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2020-10-13 10:52:05,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2020-10-13 10:52:05,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2020-10-13 10:52:05,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 169 transitions. [2020-10-13 10:52:05,271 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 169 transitions. Word has length 164 [2020-10-13 10:52:05,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:52:05,271 INFO L479 AbstractCegarLoop]: Abstraction has 168 states and 169 transitions. [2020-10-13 10:52:05,271 INFO L480 AbstractCegarLoop]: Interpolant automaton has 43 states. [2020-10-13 10:52:05,271 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 169 transitions. [2020-10-13 10:52:05,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-13 10:52:05,273 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:52:05,273 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:52:05,274 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2020-10-13 10:52:05,274 INFO L427 AbstractCegarLoop]: === Iteration 40 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:52:05,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:52:05,275 INFO L82 PathProgramCache]: Analyzing trace with hash -1904041191, now seen corresponding path program 38 times [2020-10-13 10:52:05,275 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:52:05,275 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1687600220] [2020-10-13 10:52:05,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:52:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:05,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:06,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:06,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-10-13 10:52:06,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:06,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1003 [2020-10-13 10:52:06,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:06,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-13 10:52:06,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:52:06,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 200 [2020-10-13 10:52:06,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:06,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:52:06,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:06,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:06,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:06,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:52:06,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:06,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:06,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:06,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:52:06,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:06,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:52:06,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:06,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 10:52:06,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:06,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:06,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:06,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:06,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:06,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:06,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:06,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:06,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:06,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:06,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:06,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-13 10:52:06,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:06,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:06,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:06,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:06,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:06,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:06,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:06,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:06,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:06,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:06,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:06,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 10:52:06,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:06,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:06,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:06,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:06,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:06,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:06,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:06,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:06,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:06,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:06,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:06,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-13 10:52:06,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:06,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:06,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:06,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:06,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:06,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:06,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:06,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:06,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:06,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:06,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:06,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 10:52:06,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:06,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:06,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:06,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:06,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:06,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:06,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:06,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:06,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:06,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:06,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:06,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-13 10:52:06,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:06,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:06,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:06,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:06,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:06,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:06,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:06,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:06,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:06,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:06,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:06,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-13 10:52:06,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:06,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:06,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:06,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:06,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:06,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:06,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:06,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:06,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:06,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:06,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:06,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 10:52:06,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:06,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:06,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:06,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:06,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:06,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:06,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:06,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:06,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:06,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:06,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:06,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-13 10:52:06,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:06,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:06,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:06,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:06,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:06,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:06,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:06,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:06,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:06,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:06,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:06,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 10:52:06,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:06,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:06,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:06,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:06,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:06,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:06,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:06,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:06,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:06,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:06,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:06,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-13 10:52:06,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:06,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:06,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:06,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:06,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:06,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:06,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:06,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:06,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:06,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:06,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:06,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 10:52:06,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:06,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:06,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:06,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:06,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:06,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:06,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:06,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:06,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:06,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:06,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:06,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-13 10:52:06,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:06,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:06,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:06,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:06,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:06,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:06,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:06,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:06,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:06,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:06,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:06,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-13 10:52:06,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:06,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:06,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:06,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:06,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:06,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:06,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:06,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:06,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:06,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:06,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:06,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-13 10:52:06,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:06,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:06,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:06,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:06,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:06,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:06,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:06,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:06,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:06,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:06,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:06,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 10:52:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:06,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:06,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:06,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:06,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:06,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:06,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:06,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:06,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:06,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:06,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:06,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-13 10:52:06,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:06,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:06,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:06,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:06,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:06,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:06,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:06,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:06,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:06,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:06,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:06,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-13 10:52:06,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:06,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:06,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:06,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:06,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:06,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:06,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:06,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:06,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:06,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:06,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:06,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-13 10:52:06,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:06,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:06,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:06,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:06,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:06,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:06,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:06,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:06,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:06,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:06,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:06,684 INFO L134 CoverageAnalysis]: Checked inductivity of 1483 backedges. 248 proven. 551 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2020-10-13 10:52:06,685 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1687600220] [2020-10-13 10:52:06,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:52:06,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-13 10:52:06,685 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573103369] [2020-10-13 10:52:06,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-13 10:52:06,685 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:52:06,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-13 10:52:06,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=257, Invalid=343, Unknown=0, NotChecked=0, Total=600 [2020-10-13 10:52:06,686 INFO L87 Difference]: Start difference. First operand 168 states and 169 transitions. Second operand 25 states. [2020-10-13 10:52:06,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:52:06,906 INFO L93 Difference]: Finished difference Result 181 states and 183 transitions. [2020-10-13 10:52:06,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-13 10:52:06,908 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 165 [2020-10-13 10:52:06,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:52:06,909 INFO L225 Difference]: With dead ends: 181 [2020-10-13 10:52:06,909 INFO L226 Difference]: Without dead ends: 179 [2020-10-13 10:52:06,910 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=261, Invalid=389, Unknown=0, NotChecked=0, Total=650 [2020-10-13 10:52:06,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2020-10-13 10:52:06,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 175. [2020-10-13 10:52:06,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2020-10-13 10:52:06,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 176 transitions. [2020-10-13 10:52:06,918 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 176 transitions. Word has length 165 [2020-10-13 10:52:06,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:52:06,919 INFO L479 AbstractCegarLoop]: Abstraction has 175 states and 176 transitions. [2020-10-13 10:52:06,919 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-13 10:52:06,919 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 176 transitions. [2020-10-13 10:52:06,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-13 10:52:06,920 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:52:06,920 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:52:06,920 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2020-10-13 10:52:06,920 INFO L427 AbstractCegarLoop]: === Iteration 41 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:52:06,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:52:06,920 INFO L82 PathProgramCache]: Analyzing trace with hash -214678191, now seen corresponding path program 39 times [2020-10-13 10:52:06,920 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:52:06,920 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2081812476] [2020-10-13 10:52:06,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:52:06,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:06,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:07,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:07,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-13 10:52:07,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:07,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 990 [2020-10-13 10:52:07,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:07,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-10-13 10:52:07,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:52:07,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 204 [2020-10-13 10:52:07,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:08,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:52:08,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:08,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:08,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:08,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:52:08,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:08,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:08,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:08,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:52:08,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:08,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:52:08,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:08,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-13 10:52:08,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:08,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:08,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:08,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:08,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:08,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:08,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:08,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:08,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:08,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:08,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:08,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-13 10:52:08,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:08,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:08,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:08,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:08,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:08,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:08,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:08,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:08,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:08,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:08,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:08,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 10:52:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:08,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:08,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:08,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:08,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:08,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:08,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:08,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:08,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:08,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:08,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:08,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-13 10:52:08,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:08,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:08,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:08,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:08,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:08,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:08,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:08,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:08,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:08,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:08,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:08,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 10:52:08,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:08,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:08,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:08,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:08,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:08,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:08,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:08,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:08,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:08,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:08,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:08,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-13 10:52:08,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:08,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:08,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:08,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:08,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:08,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:08,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:08,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:08,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:08,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:08,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:08,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-13 10:52:08,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:08,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:08,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:08,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:08,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:08,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:08,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:08,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:08,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:08,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:08,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:08,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 10:52:08,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:08,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:08,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:08,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:08,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:08,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:08,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:08,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:08,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:08,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:08,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:08,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-13 10:52:08,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:08,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:08,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:08,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:08,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:08,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:08,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:08,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:08,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:08,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:08,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:08,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 10:52:08,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:08,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:08,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:08,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:08,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:08,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:08,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:08,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:08,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:08,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:08,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:08,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-13 10:52:08,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:08,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:08,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:08,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:08,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:08,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:08,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:08,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:08,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:08,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:08,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:08,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 10:52:08,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:08,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:08,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:08,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:08,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:08,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:08,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:08,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:08,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:08,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:08,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:08,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-13 10:52:08,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:08,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:08,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:08,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:08,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:08,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:08,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:08,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:08,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:08,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:08,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:08,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-13 10:52:08,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:08,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:08,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:08,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:08,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:08,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:08,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:08,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:08,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:08,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:08,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:08,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-13 10:52:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:08,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:08,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:08,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:08,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:08,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:08,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:08,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:08,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:08,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:08,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:08,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 10:52:08,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:08,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:08,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:08,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:08,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:08,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:08,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:08,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:08,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:08,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:08,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:08,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-13 10:52:08,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:08,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:08,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:08,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:08,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:08,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:08,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:08,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:08,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:08,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:08,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:08,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-13 10:52:08,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:08,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:08,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:08,858 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:08,858 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:08,858 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:08,858 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:08,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:08,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:08,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:08,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:08,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-13 10:52:08,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:08,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:08,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:08,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:08,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:08,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:08,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:08,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:08,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:08,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:08,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:08,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-13 10:52:08,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:08,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:08,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:08,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:08,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:08,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:08,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:08,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:08,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:08,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:08,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:08,884 INFO L134 CoverageAnalysis]: Checked inductivity of 1620 backedges. 650 proven. 210 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2020-10-13 10:52:08,884 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2081812476] [2020-10-13 10:52:08,884 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:52:08,884 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2020-10-13 10:52:08,885 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788160068] [2020-10-13 10:52:08,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 45 states [2020-10-13 10:52:08,885 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:52:08,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2020-10-13 10:52:08,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=507, Invalid=1473, Unknown=0, NotChecked=0, Total=1980 [2020-10-13 10:52:08,886 INFO L87 Difference]: Start difference. First operand 175 states and 176 transitions. Second operand 45 states. [2020-10-13 10:52:09,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:52:09,991 INFO L93 Difference]: Finished difference Result 247 states and 269 transitions. [2020-10-13 10:52:09,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-10-13 10:52:09,993 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 172 [2020-10-13 10:52:09,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:52:09,994 INFO L225 Difference]: With dead ends: 247 [2020-10-13 10:52:09,994 INFO L226 Difference]: Without dead ends: 176 [2020-10-13 10:52:09,996 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 650 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=1057, Invalid=3365, Unknown=0, NotChecked=0, Total=4422 [2020-10-13 10:52:09,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-10-13 10:52:10,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2020-10-13 10:52:10,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2020-10-13 10:52:10,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 177 transitions. [2020-10-13 10:52:10,006 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 177 transitions. Word has length 172 [2020-10-13 10:52:10,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:52:10,006 INFO L479 AbstractCegarLoop]: Abstraction has 176 states and 177 transitions. [2020-10-13 10:52:10,006 INFO L480 AbstractCegarLoop]: Interpolant automaton has 45 states. [2020-10-13 10:52:10,006 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 177 transitions. [2020-10-13 10:52:10,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-13 10:52:10,007 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:52:10,008 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:52:10,008 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2020-10-13 10:52:10,008 INFO L427 AbstractCegarLoop]: === Iteration 42 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:52:10,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:52:10,008 INFO L82 PathProgramCache]: Analyzing trace with hash 1857112088, now seen corresponding path program 40 times [2020-10-13 10:52:10,008 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:52:10,009 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1481406178] [2020-10-13 10:52:10,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:52:10,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:10,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:11,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:11,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-13 10:52:11,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:11,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1076 [2020-10-13 10:52:11,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:11,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-13 10:52:11,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:52:11,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 210 [2020-10-13 10:52:11,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:11,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:52:11,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:11,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:11,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:11,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:52:11,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:11,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:11,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:11,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:52:11,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:11,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:52:11,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:11,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 10:52:11,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:11,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:11,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:11,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:11,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:11,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:11,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:11,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:11,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:11,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:11,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:11,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 10:52:11,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:11,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:11,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:11,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:11,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:11,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:11,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:11,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:11,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:11,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:11,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:11,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-13 10:52:11,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:11,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:11,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:11,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:11,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:11,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:11,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:11,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:11,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:11,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:11,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:11,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 10:52:11,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:11,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:11,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:11,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:11,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:11,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:52:11,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:11,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:11,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:11,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:11,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:11,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 10:52:11,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:11,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:11,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:11,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:11,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:11,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:11,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:11,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:11,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:11,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:11,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:11,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 10:52:11,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:11,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:11,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:11,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:11,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:11,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:11,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:11,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:11,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:11,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:11,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:11,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-13 10:52:11,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:11,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:11,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:11,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:11,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:11,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:11,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:11,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:11,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:11,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:11,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:11,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 10:52:11,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:11,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:11,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:11,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:11,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:11,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:11,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:11,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:11,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:11,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:11,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:11,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-13 10:52:11,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:11,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:11,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:11,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:11,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:11,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:11,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:11,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:11,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:11,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:11,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:11,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-13 10:52:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:11,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:11,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:11,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:11,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:11,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:11,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:11,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:11,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:11,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:11,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:11,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 10:52:11,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:11,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:11,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:11,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:11,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:11,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:11,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:11,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:11,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:11,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:11,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:11,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-13 10:52:11,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:11,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:11,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:11,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:11,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:11,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:11,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:11,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:11,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:11,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:11,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:11,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-13 10:52:11,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:11,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:11,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:11,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:11,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:11,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:11,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:11,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:11,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:11,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:11,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:11,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-13 10:52:11,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:11,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:11,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:11,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:11,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:11,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:11,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:11,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:11,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:11,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:11,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:11,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-13 10:52:11,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:11,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:11,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:11,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:11,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:11,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:11,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:11,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:11,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:11,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:11,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:11,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-13 10:52:11,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:11,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:11,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:11,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:11,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:11,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:11,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:11,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:11,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:11,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:11,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:11,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-13 10:52:11,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:11,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:11,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:11,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:11,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:11,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:11,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:11,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:11,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:11,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:11,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:11,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-13 10:52:11,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:11,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:11,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:11,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:11,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:11,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:11,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:11,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:11,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:11,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:11,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:11,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-13 10:52:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:11,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:11,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:11,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:11,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:11,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:11,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:11,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:11,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:11,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:11,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:11,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-13 10:52:11,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:11,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:11,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:11,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:11,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:11,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:11,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:11,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:11,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:11,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:11,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:11,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1641 backedges. 271 proven. 610 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2020-10-13 10:52:11,541 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1481406178] [2020-10-13 10:52:11,541 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:52:11,541 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-10-13 10:52:11,541 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371929964] [2020-10-13 10:52:11,542 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-13 10:52:11,542 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:52:11,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-13 10:52:11,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=280, Invalid=370, Unknown=0, NotChecked=0, Total=650 [2020-10-13 10:52:11,542 INFO L87 Difference]: Start difference. First operand 176 states and 177 transitions. Second operand 26 states. [2020-10-13 10:52:11,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:52:11,774 INFO L93 Difference]: Finished difference Result 189 states and 191 transitions. [2020-10-13 10:52:11,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-13 10:52:11,775 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 173 [2020-10-13 10:52:11,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:52:11,777 INFO L225 Difference]: With dead ends: 189 [2020-10-13 10:52:11,777 INFO L226 Difference]: Without dead ends: 187 [2020-10-13 10:52:11,778 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=284, Invalid=418, Unknown=0, NotChecked=0, Total=702 [2020-10-13 10:52:11,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-10-13 10:52:11,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 183. [2020-10-13 10:52:11,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2020-10-13 10:52:11,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 184 transitions. [2020-10-13 10:52:11,788 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 184 transitions. Word has length 173 [2020-10-13 10:52:11,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:52:11,789 INFO L479 AbstractCegarLoop]: Abstraction has 183 states and 184 transitions. [2020-10-13 10:52:11,789 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-13 10:52:11,789 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 184 transitions. [2020-10-13 10:52:11,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-13 10:52:11,790 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:52:11,790 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:52:11,791 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2020-10-13 10:52:11,791 INFO L427 AbstractCegarLoop]: === Iteration 43 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:52:11,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:52:11,791 INFO L82 PathProgramCache]: Analyzing trace with hash -581905550, now seen corresponding path program 41 times [2020-10-13 10:52:11,791 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:52:11,791 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [54691294] [2020-10-13 10:52:11,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:52:11,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:11,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:12,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:12,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-10-13 10:52:12,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:12,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1038 [2020-10-13 10:52:12,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:12,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-13 10:52:12,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:52:12,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 214 [2020-10-13 10:52:12,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:13,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:52:13,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:13,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:13,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:13,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:52:13,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:13,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:13,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:13,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:52:13,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:13,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:52:13,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:13,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-13 10:52:13,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:13,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:13,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:13,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:13,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:13,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:13,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:13,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:13,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:13,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:13,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:13,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 10:52:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:13,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:13,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:13,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:13,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:13,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:13,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:13,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:13,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:13,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:13,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:13,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-13 10:52:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:13,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:13,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:13,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:13,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:13,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:13,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:13,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:13,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:13,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:13,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:13,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 10:52:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:13,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:13,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:13,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:13,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:13,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:13,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:13,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:13,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:13,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:13,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:13,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 10:52:13,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:13,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:13,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:13,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:13,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:13,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:13,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:13,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:13,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:13,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:13,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:13,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 10:52:13,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:13,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:13,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:13,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:13,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:13,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:13,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:13,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:13,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:13,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:13,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:13,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-13 10:52:13,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:13,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:13,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:13,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:13,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:13,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:13,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:13,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:13,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:13,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:13,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:13,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 10:52:13,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:13,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:13,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:13,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:13,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:13,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:52:13,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:13,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:13,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:13,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:13,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:13,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-13 10:52:13,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:13,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:13,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:13,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:13,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:13,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:13,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:13,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:13,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:13,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:13,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:13,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-13 10:52:13,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:13,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:13,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:13,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:13,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:13,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:13,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:13,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:13,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:13,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:13,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:13,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 10:52:13,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:13,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:13,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:13,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:13,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:13,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:13,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:13,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:13,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:13,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:13,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:13,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-13 10:52:13,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:13,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:13,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:13,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:13,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:13,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:13,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:13,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:13,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:13,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:13,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:13,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-13 10:52:13,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:13,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:13,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:13,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:13,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:13,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:13,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:13,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:13,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:13,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:13,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:13,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-13 10:52:13,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:13,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:13,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:13,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:13,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:13,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:13,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:13,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:13,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:13,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:13,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:13,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-13 10:52:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:13,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:13,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:13,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:13,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:13,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:52:13,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:13,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:13,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:13,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:13,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:13,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-13 10:52:13,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:13,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:13,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:13,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:13,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:13,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:13,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:13,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:13,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:13,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:13,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:13,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-13 10:52:13,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:13,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:13,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:13,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:13,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:13,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:13,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:13,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:13,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:13,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:13,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:13,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-13 10:52:13,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:13,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:13,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:13,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:13,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:13,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:13,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:13,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:13,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:13,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:13,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:13,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-13 10:52:13,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:13,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:13,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:13,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:13,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:13,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:52:13,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:13,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:13,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:13,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:13,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:13,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-13 10:52:13,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:13,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:13,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:13,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:13,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:13,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:13,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:13,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:13,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:13,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:13,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:13,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-13 10:52:13,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:13,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:13,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:13,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:13,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:13,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:13,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:13,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:13,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:13,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:13,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:13,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1785 backedges. 714 proven. 231 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2020-10-13 10:52:13,901 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [54691294] [2020-10-13 10:52:13,901 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:52:13,901 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2020-10-13 10:52:13,901 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353409978] [2020-10-13 10:52:13,902 INFO L459 AbstractCegarLoop]: Interpolant automaton has 47 states [2020-10-13 10:52:13,902 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:52:13,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2020-10-13 10:52:13,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=553, Invalid=1609, Unknown=0, NotChecked=0, Total=2162 [2020-10-13 10:52:13,903 INFO L87 Difference]: Start difference. First operand 183 states and 184 transitions. Second operand 47 states. [2020-10-13 10:52:15,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:52:15,527 INFO L93 Difference]: Finished difference Result 258 states and 281 transitions. [2020-10-13 10:52:15,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-10-13 10:52:15,530 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 180 [2020-10-13 10:52:15,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:52:15,531 INFO L225 Difference]: With dead ends: 258 [2020-10-13 10:52:15,531 INFO L226 Difference]: Without dead ends: 184 [2020-10-13 10:52:15,532 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 714 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1151, Invalid=3679, Unknown=0, NotChecked=0, Total=4830 [2020-10-13 10:52:15,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2020-10-13 10:52:15,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2020-10-13 10:52:15,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2020-10-13 10:52:15,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 185 transitions. [2020-10-13 10:52:15,543 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 185 transitions. Word has length 180 [2020-10-13 10:52:15,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:52:15,543 INFO L479 AbstractCegarLoop]: Abstraction has 184 states and 185 transitions. [2020-10-13 10:52:15,544 INFO L480 AbstractCegarLoop]: Interpolant automaton has 47 states. [2020-10-13 10:52:15,544 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 185 transitions. [2020-10-13 10:52:15,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-10-13 10:52:15,545 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:52:15,545 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:52:15,545 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2020-10-13 10:52:15,546 INFO L427 AbstractCegarLoop]: === Iteration 44 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:52:15,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:52:15,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1440620345, now seen corresponding path program 42 times [2020-10-13 10:52:15,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:52:15,546 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1525828556] [2020-10-13 10:52:15,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:52:15,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:15,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:16,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:16,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-13 10:52:16,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:16,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1106 [2020-10-13 10:52:16,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:16,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-13 10:52:16,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:52:16,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 220 [2020-10-13 10:52:16,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:17,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:52:17,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:17,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:17,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:17,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:52:17,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:17,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:17,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:17,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:52:17,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:17,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:52:17,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:17,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 10:52:17,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:17,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:17,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:17,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:17,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:17,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:17,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:17,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:17,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:17,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:17,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:17,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 10:52:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:17,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:17,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:17,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:17,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:17,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:17,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:17,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:17,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:17,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:17,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:17,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 10:52:17,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:17,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:17,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:17,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:17,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:17,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:17,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:17,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:17,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:17,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:17,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:17,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-13 10:52:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:17,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:17,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:17,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:17,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:17,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:17,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:17,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:17,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:17,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:17,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:17,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-13 10:52:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:17,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:17,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:17,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:17,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:17,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:17,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:17,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:17,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:17,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:17,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:17,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 10:52:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:17,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:17,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:17,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:17,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:17,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:17,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:17,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:17,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:17,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:17,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:17,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 10:52:17,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:17,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:17,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:17,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:17,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:17,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:17,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:17,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:17,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:17,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:17,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:17,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-13 10:52:17,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:17,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:17,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:17,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:17,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:17,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:17,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:17,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:17,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:17,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:17,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:17,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-13 10:52:17,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:17,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:17,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:17,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:17,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:17,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:17,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:17,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:17,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:17,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:17,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:17,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 10:52:17,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:17,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:17,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:17,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:17,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:17,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:17,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:17,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:17,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:17,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:17,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:17,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 10:52:17,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:17,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:17,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:17,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:17,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:17,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:17,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:17,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:17,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:17,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:17,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:17,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-13 10:52:17,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:17,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:17,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:17,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:17,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:17,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:17,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:17,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:17,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:17,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:17,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:17,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-13 10:52:17,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:17,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:17,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:17,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:17,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:17,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:17,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:17,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:17,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:17,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:17,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:17,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-13 10:52:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:17,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:17,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:17,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:17,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:17,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:17,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:17,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:17,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:17,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:17,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:17,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-13 10:52:17,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:17,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:17,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:17,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:17,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:17,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:17,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:17,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:17,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:17,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:17,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:17,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-13 10:52:17,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:17,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:17,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:17,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:17,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:17,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:17,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:17,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:17,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:17,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:17,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:17,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-13 10:52:17,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:17,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:17,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:17,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:17,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:17,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:17,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:17,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:17,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:17,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:17,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:17,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-13 10:52:17,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:17,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:17,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:17,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:17,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:17,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:17,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:17,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:17,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:17,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:17,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:17,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-13 10:52:17,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:17,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:17,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:17,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:17,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:17,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:17,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:17,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:17,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:17,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:17,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:17,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-13 10:52:17,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:17,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:17,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:17,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:17,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:17,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:17,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:17,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:17,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:17,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:17,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:17,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-13 10:52:17,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:17,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:17,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:17,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:17,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:17,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:17,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:17,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:17,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:17,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:17,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:17,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1807 backedges. 295 proven. 672 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2020-10-13 10:52:17,160 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1525828556] [2020-10-13 10:52:17,161 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:52:17,161 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-13 10:52:17,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1714974190] [2020-10-13 10:52:17,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-13 10:52:17,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:52:17,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-13 10:52:17,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=304, Invalid=398, Unknown=0, NotChecked=0, Total=702 [2020-10-13 10:52:17,162 INFO L87 Difference]: Start difference. First operand 184 states and 185 transitions. Second operand 27 states. [2020-10-13 10:52:17,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:52:17,410 INFO L93 Difference]: Finished difference Result 197 states and 199 transitions. [2020-10-13 10:52:17,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-13 10:52:17,411 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 181 [2020-10-13 10:52:17,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:52:17,412 INFO L225 Difference]: With dead ends: 197 [2020-10-13 10:52:17,412 INFO L226 Difference]: Without dead ends: 195 [2020-10-13 10:52:17,413 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=308, Invalid=448, Unknown=0, NotChecked=0, Total=756 [2020-10-13 10:52:17,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2020-10-13 10:52:17,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 191. [2020-10-13 10:52:17,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2020-10-13 10:52:17,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 192 transitions. [2020-10-13 10:52:17,423 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 192 transitions. Word has length 181 [2020-10-13 10:52:17,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:52:17,423 INFO L479 AbstractCegarLoop]: Abstraction has 191 states and 192 transitions. [2020-10-13 10:52:17,424 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-13 10:52:17,424 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 192 transitions. [2020-10-13 10:52:17,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-10-13 10:52:17,424 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:52:17,425 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:52:17,425 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2020-10-13 10:52:17,425 INFO L427 AbstractCegarLoop]: === Iteration 45 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:52:17,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:52:17,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1297802545, now seen corresponding path program 43 times [2020-10-13 10:52:17,425 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:52:17,425 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1963287629] [2020-10-13 10:52:17,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:52:17,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:17,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:18,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:18,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-13 10:52:18,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:18,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1183 [2020-10-13 10:52:18,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:18,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 48 [2020-10-13 10:52:18,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:52:18,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 224 [2020-10-13 10:52:18,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:19,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:52:19,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:19,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:19,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:19,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:52:19,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:19,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:19,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:19,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:52:19,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:19,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:52:19,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:19,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-13 10:52:19,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:19,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:19,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:19,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:19,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:19,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:19,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:19,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:19,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:19,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:19,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:19,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 10:52:19,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:19,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:19,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:19,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:19,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:19,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:19,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:19,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:19,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:19,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:19,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:19,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 10:52:19,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:19,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:19,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:19,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:19,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:19,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:19,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:19,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:19,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:19,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:19,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:19,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-13 10:52:19,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:19,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:19,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:19,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:19,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:19,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:19,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:19,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:19,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:19,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:19,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:19,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-13 10:52:19,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:19,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:19,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:19,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:19,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:19,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:19,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:19,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:19,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:19,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:19,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:19,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 10:52:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:19,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:19,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:19,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:19,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:19,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:19,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:19,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:19,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:19,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:19,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:19,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 10:52:19,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:19,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:19,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:19,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:19,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:19,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:19,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:19,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:19,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:19,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:19,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:19,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-13 10:52:19,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:19,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:19,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:19,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:19,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:19,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:19,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:19,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:19,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:19,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:19,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:19,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-13 10:52:19,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:19,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:19,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:19,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:19,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:19,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:19,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:19,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:19,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:19,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:19,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:19,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 10:52:19,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:19,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:19,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:19,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:19,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:19,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:19,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:19,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:19,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:19,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:19,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:19,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 10:52:19,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:19,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:19,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:19,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:19,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:19,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:19,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:19,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:19,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:19,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:19,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:19,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-13 10:52:19,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:19,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:19,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:19,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:19,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:19,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:19,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:19,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:19,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:19,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:19,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:19,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-13 10:52:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:19,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:19,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:19,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:19,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:19,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:19,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:19,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:19,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:19,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:19,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:19,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-13 10:52:19,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:19,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:19,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:19,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:19,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:19,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:19,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:19,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:19,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:19,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:19,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:19,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-13 10:52:19,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:19,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:19,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:19,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:19,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:19,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:19,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:19,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:19,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:19,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:19,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:19,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-13 10:52:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:19,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:19,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:19,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:19,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:19,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:19,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:19,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:19,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:19,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:19,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:19,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-13 10:52:19,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:19,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:19,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:19,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:19,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:19,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:19,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:19,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:19,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:19,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:19,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:19,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-13 10:52:19,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:19,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:19,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:19,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:19,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:19,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:19,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:19,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:19,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:19,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:19,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:19,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-13 10:52:19,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:19,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:19,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:19,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:19,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:19,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:19,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:19,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:19,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:19,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:19,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:19,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-13 10:52:19,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:19,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:19,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:19,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:19,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:19,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:19,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:19,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:19,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:19,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:19,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:19,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-13 10:52:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:19,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:19,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:19,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:19,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:19,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:19,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:19,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:19,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:19,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:19,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:19,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-13 10:52:19,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:19,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:19,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:19,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:19,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:19,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:19,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:19,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:19,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:19,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:19,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:19,733 INFO L134 CoverageAnalysis]: Checked inductivity of 1958 backedges. 781 proven. 253 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2020-10-13 10:52:19,733 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1963287629] [2020-10-13 10:52:19,733 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:52:19,734 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2020-10-13 10:52:19,734 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441881022] [2020-10-13 10:52:19,734 INFO L459 AbstractCegarLoop]: Interpolant automaton has 49 states [2020-10-13 10:52:19,734 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:52:19,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2020-10-13 10:52:19,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=601, Invalid=1751, Unknown=0, NotChecked=0, Total=2352 [2020-10-13 10:52:19,735 INFO L87 Difference]: Start difference. First operand 191 states and 192 transitions. Second operand 49 states. [2020-10-13 10:52:21,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:52:21,457 INFO L93 Difference]: Finished difference Result 269 states and 293 transitions. [2020-10-13 10:52:21,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-10-13 10:52:21,463 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 188 [2020-10-13 10:52:21,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:52:21,465 INFO L225 Difference]: With dead ends: 269 [2020-10-13 10:52:21,465 INFO L226 Difference]: Without dead ends: 192 [2020-10-13 10:52:21,472 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 781 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1249, Invalid=4007, Unknown=0, NotChecked=0, Total=5256 [2020-10-13 10:52:21,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-10-13 10:52:21,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2020-10-13 10:52:21,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2020-10-13 10:52:21,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 193 transitions. [2020-10-13 10:52:21,485 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 193 transitions. Word has length 188 [2020-10-13 10:52:21,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:52:21,485 INFO L479 AbstractCegarLoop]: Abstraction has 192 states and 193 transitions. [2020-10-13 10:52:21,485 INFO L480 AbstractCegarLoop]: Interpolant automaton has 49 states. [2020-10-13 10:52:21,485 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 193 transitions. [2020-10-13 10:52:21,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-13 10:52:21,486 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:52:21,487 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 23, 23, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:52:21,487 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2020-10-13 10:52:21,487 INFO L427 AbstractCegarLoop]: === Iteration 46 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:52:21,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:52:21,487 INFO L82 PathProgramCache]: Analyzing trace with hash 916421112, now seen corresponding path program 44 times [2020-10-13 10:52:21,487 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:52:21,488 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1172091470] [2020-10-13 10:52:21,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:52:21,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:21,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:22,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:22,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-13 10:52:22,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:22,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1353 [2020-10-13 10:52:22,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:22,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-13 10:52:22,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:52:22,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 230 [2020-10-13 10:52:22,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:23,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:52:23,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:23,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:23,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:23,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:52:23,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:23,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:23,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:23,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:52:23,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:23,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:52:23,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:23,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 10:52:23,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:23,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:23,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:23,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:23,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:23,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:23,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:23,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:23,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:23,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:23,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:23,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 10:52:23,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:23,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:23,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:23,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:23,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:23,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:23,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:23,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:23,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:23,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:23,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:23,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 10:52:23,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:23,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:23,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:23,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:23,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:23,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:23,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:23,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:23,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:23,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:23,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:23,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-13 10:52:23,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:23,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:23,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:23,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:23,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:23,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:23,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:23,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:23,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:23,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:23,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:23,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 10:52:23,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:23,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:23,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:23,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:23,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:23,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:23,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:23,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:23,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:23,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:23,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:23,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-13 10:52:23,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:23,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:23,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:23,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:23,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:23,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:23,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:23,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:23,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:23,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:23,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:23,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 10:52:23,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:23,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:23,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:23,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:23,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:23,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:23,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:23,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:23,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:23,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:23,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:23,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 10:52:23,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:23,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:23,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:23,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:23,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:23,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:23,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:23,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:23,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:23,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:23,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:23,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 10:52:23,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:23,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:23,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:23,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:23,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:23,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:23,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:23,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:23,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:23,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:23,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:23,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-13 10:52:23,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:23,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:23,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:23,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:23,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:23,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:23,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:23,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:23,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:23,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:23,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:23,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 10:52:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:23,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:23,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:23,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:23,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:23,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:23,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:23,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:23,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:23,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:23,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:23,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-13 10:52:23,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:23,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:23,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:23,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:23,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:23,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:23,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:23,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:23,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:23,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:23,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:23,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-13 10:52:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:23,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:23,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:23,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:23,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:23,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:23,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:23,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:23,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:23,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:23,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:23,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-13 10:52:23,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:23,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:23,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:23,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:23,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:23,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:23,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:23,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:23,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:23,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:23,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:23,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-13 10:52:23,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:23,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:23,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:23,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:23,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:23,347 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:23,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:23,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:23,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:23,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:23,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:23,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 10:52:23,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:23,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:23,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:23,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:23,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:23,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:23,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:23,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:23,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:23,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:23,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:23,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-13 10:52:23,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:23,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:23,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:23,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:23,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:23,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:23,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:23,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:23,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:23,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:23,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:23,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-13 10:52:23,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:23,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:23,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:23,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:23,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:23,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:23,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:23,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:23,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:23,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:23,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:23,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-13 10:52:23,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:23,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:23,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:23,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:23,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:23,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:23,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:23,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:23,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:23,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:23,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:23,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-13 10:52:23,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:23,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:23,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:23,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:23,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:23,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:23,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:23,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:23,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:23,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:23,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:23,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-13 10:52:23,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:23,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:23,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:23,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:23,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:23,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:23,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:23,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:23,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:23,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:23,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:23,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-13 10:52:23,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:23,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:23,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:23,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:23,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:23,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:23,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:23,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:23,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:23,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:23,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:23,398 INFO L134 CoverageAnalysis]: Checked inductivity of 1981 backedges. 320 proven. 737 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2020-10-13 10:52:23,398 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1172091470] [2020-10-13 10:52:23,398 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:52:23,398 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-13 10:52:23,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364732370] [2020-10-13 10:52:23,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-13 10:52:23,399 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:52:23,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-13 10:52:23,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=329, Invalid=427, Unknown=0, NotChecked=0, Total=756 [2020-10-13 10:52:23,399 INFO L87 Difference]: Start difference. First operand 192 states and 193 transitions. Second operand 28 states. [2020-10-13 10:52:23,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:52:23,661 INFO L93 Difference]: Finished difference Result 205 states and 207 transitions. [2020-10-13 10:52:23,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-13 10:52:23,662 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 189 [2020-10-13 10:52:23,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:52:23,664 INFO L225 Difference]: With dead ends: 205 [2020-10-13 10:52:23,664 INFO L226 Difference]: Without dead ends: 203 [2020-10-13 10:52:23,665 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=333, Invalid=479, Unknown=0, NotChecked=0, Total=812 [2020-10-13 10:52:23,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2020-10-13 10:52:23,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 199. [2020-10-13 10:52:23,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2020-10-13 10:52:23,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 200 transitions. [2020-10-13 10:52:23,675 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 200 transitions. Word has length 189 [2020-10-13 10:52:23,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:52:23,676 INFO L479 AbstractCegarLoop]: Abstraction has 199 states and 200 transitions. [2020-10-13 10:52:23,676 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-13 10:52:23,676 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 200 transitions. [2020-10-13 10:52:23,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-13 10:52:23,677 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:52:23,677 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 24, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:52:23,677 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2020-10-13 10:52:23,678 INFO L427 AbstractCegarLoop]: === Iteration 47 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:52:23,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:52:23,678 INFO L82 PathProgramCache]: Analyzing trace with hash -331299438, now seen corresponding path program 45 times [2020-10-13 10:52:23,678 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:52:23,678 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [432760294] [2020-10-13 10:52:23,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:52:23,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:23,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:25,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:25,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-13 10:52:25,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:25,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1305 [2020-10-13 10:52:25,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:25,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-13 10:52:25,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:52:25,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 234 [2020-10-13 10:52:25,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:26,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:52:26,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:26,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:26,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:26,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:52:26,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:26,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:26,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:26,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:52:26,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:26,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:52:26,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:26,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-13 10:52:26,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:26,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:26,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:26,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:26,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:26,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:26,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:26,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:26,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:26,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:26,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:26,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 10:52:26,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:26,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:26,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:26,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:26,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:26,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:26,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:26,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:26,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:26,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:26,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:26,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 10:52:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:26,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:26,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:26,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:26,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:26,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:26,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:26,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:26,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:26,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:26,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:26,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-13 10:52:26,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:26,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:26,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:26,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:26,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:26,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:26,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:26,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:26,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:26,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:26,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:26,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 10:52:26,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:26,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:26,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:26,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:26,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:26,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:26,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:26,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:26,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:26,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:26,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:26,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-13 10:52:26,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:26,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:26,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:26,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:26,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:26,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:26,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:26,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:26,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:26,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:26,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:26,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 10:52:26,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:26,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:26,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:26,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:26,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:26,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:26,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:26,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:26,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:26,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:26,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:26,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 10:52:26,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:26,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:26,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:26,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:26,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:26,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:26,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:26,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:26,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:26,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:26,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:26,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 10:52:26,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:26,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:26,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:26,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:26,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:26,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:26,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:26,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:26,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:26,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:26,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:26,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-13 10:52:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:26,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:26,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:26,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:26,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:26,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:26,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:26,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:26,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:26,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:26,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:26,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 10:52:26,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:26,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:26,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:26,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:26,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:26,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:26,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:26,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:26,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:26,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:26,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:26,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-13 10:52:26,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:26,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:26,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:26,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:26,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:26,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:26,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:26,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:26,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:26,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:26,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:26,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-13 10:52:26,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:26,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:26,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:26,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:26,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:26,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:26,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:26,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:26,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:26,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:26,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:26,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-13 10:52:26,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:26,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:26,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:26,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:26,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:26,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:26,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:26,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:26,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:26,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:26,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:26,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-13 10:52:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:26,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:26,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:26,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:26,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:26,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:26,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:26,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:26,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:26,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:26,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:26,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 10:52:26,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:26,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:26,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:26,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:26,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:26,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:26,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:26,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:26,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:26,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:26,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:26,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-13 10:52:26,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:26,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:26,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:26,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:26,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:26,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:26,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:26,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:26,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:26,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:26,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:26,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-13 10:52:26,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:26,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:26,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:26,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:26,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:26,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:26,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:26,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:26,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:26,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:26,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:26,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-13 10:52:26,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:26,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:26,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:26,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:26,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:26,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:26,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:26,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:26,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:26,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:26,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:26,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-13 10:52:26,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:26,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:26,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:26,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:26,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:26,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:26,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:26,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:26,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:26,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:26,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:26,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-13 10:52:26,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:26,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:26,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:26,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:26,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:26,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:26,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:26,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:26,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:26,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:26,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:26,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-13 10:52:26,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:26,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:26,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:26,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:26,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:26,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:26,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:26,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:26,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:26,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:26,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:26,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-13 10:52:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:26,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:26,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:26,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:26,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:26,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:26,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:26,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:26,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:26,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:26,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:26,265 INFO L134 CoverageAnalysis]: Checked inductivity of 2139 backedges. 851 proven. 276 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2020-10-13 10:52:26,265 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [432760294] [2020-10-13 10:52:26,266 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:52:26,266 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2020-10-13 10:52:26,266 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529394442] [2020-10-13 10:52:26,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 51 states [2020-10-13 10:52:26,267 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:52:26,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2020-10-13 10:52:26,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=651, Invalid=1899, Unknown=0, NotChecked=0, Total=2550 [2020-10-13 10:52:26,268 INFO L87 Difference]: Start difference. First operand 199 states and 200 transitions. Second operand 51 states. [2020-10-13 10:52:28,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:52:28,132 INFO L93 Difference]: Finished difference Result 280 states and 305 transitions. [2020-10-13 10:52:28,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-10-13 10:52:28,133 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 196 [2020-10-13 10:52:28,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:52:28,134 INFO L225 Difference]: With dead ends: 280 [2020-10-13 10:52:28,135 INFO L226 Difference]: Without dead ends: 200 [2020-10-13 10:52:28,136 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 851 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=1351, Invalid=4349, Unknown=0, NotChecked=0, Total=5700 [2020-10-13 10:52:28,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-10-13 10:52:28,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2020-10-13 10:52:28,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2020-10-13 10:52:28,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 201 transitions. [2020-10-13 10:52:28,149 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 201 transitions. Word has length 196 [2020-10-13 10:52:28,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:52:28,149 INFO L479 AbstractCegarLoop]: Abstraction has 200 states and 201 transitions. [2020-10-13 10:52:28,149 INFO L480 AbstractCegarLoop]: Interpolant automaton has 51 states. [2020-10-13 10:52:28,149 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 201 transitions. [2020-10-13 10:52:28,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-13 10:52:28,150 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:52:28,150 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 24, 24, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:52:28,151 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2020-10-13 10:52:28,151 INFO L427 AbstractCegarLoop]: === Iteration 48 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:52:28,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:52:28,151 INFO L82 PathProgramCache]: Analyzing trace with hash 585343833, now seen corresponding path program 46 times [2020-10-13 10:52:28,151 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:52:28,151 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [542288322] [2020-10-13 10:52:28,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:52:28,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:28,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:29,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:29,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-10-13 10:52:29,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:29,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1426 [2020-10-13 10:52:29,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:29,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-10-13 10:52:29,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:52:29,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 240 [2020-10-13 10:52:29,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:30,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:52:30,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:30,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:30,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:30,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:52:30,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:30,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:30,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:30,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:52:30,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:30,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:52:30,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:30,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 10:52:30,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:30,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:30,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:30,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:30,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:30,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:30,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:30,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:30,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:30,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:30,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:30,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 10:52:30,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:30,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:30,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:30,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:30,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:30,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:30,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:30,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:30,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:30,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:30,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:30,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 10:52:30,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:30,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:30,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:30,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:30,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:30,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:30,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:30,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:30,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:30,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:30,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:30,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-13 10:52:30,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:30,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:30,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:30,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:30,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:30,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:30,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:30,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:30,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:30,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:30,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:30,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 10:52:30,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:30,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:30,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:30,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:30,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:30,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:30,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:30,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:30,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:30,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:30,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:30,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-13 10:52:30,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:30,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:30,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:30,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:30,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:30,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:30,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:30,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:30,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:30,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:30,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:30,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-13 10:52:30,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:30,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:30,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:30,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:30,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:30,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:30,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:30,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:30,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:30,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:30,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:30,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 10:52:30,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:30,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:30,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:30,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:30,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:30,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:30,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:30,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:30,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:30,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:30,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:30,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-13 10:52:30,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:30,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:30,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:30,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:30,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:30,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:30,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:30,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:30,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:30,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:30,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:30,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-13 10:52:30,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:30,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:30,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:30,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:30,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:30,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:30,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:30,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:30,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:30,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:30,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:30,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-13 10:52:30,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:30,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:30,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:30,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:30,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:30,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:30,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:30,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:30,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:30,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:30,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:30,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 10:52:30,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:30,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:30,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:30,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:30,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:30,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:30,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:30,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:30,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:30,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:30,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:30,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-13 10:52:30,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:30,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:30,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:30,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:30,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:30,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:30,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:30,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:30,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:30,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:30,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:30,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-13 10:52:30,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:30,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:30,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:30,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:30,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:30,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:30,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:30,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:30,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:30,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:30,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:30,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-13 10:52:30,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:30,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:30,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:30,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:30,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:30,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:30,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:30,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:30,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:30,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:30,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:30,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-13 10:52:30,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:30,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:30,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:30,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:30,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:30,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:30,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:30,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:30,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:30,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:30,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:30,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-13 10:52:30,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:30,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:30,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:30,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:30,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:30,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:30,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:30,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:30,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:30,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:30,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:30,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-13 10:52:30,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:30,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:30,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:30,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:30,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:30,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:30,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:30,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:30,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:30,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:30,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:30,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-13 10:52:30,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:30,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:30,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:30,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:30,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:30,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:30,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:30,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:30,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:30,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:30,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:30,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-13 10:52:30,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:30,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:30,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:30,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:30,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:30,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-13 10:52:30,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:30,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:30,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:30,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:30,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:30,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-13 10:52:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:30,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:30,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:30,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:30,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:30,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:30,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:30,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:30,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:30,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:30,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:30,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-13 10:52:30,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:30,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:30,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:30,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:30,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:30,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:30,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:30,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:30,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:30,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:30,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:30,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-10-13 10:52:30,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:30,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:30,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:30,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:30,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:30,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:30,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:30,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:30,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:30,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:30,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:30,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2163 backedges. 346 proven. 805 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2020-10-13 10:52:30,200 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [542288322] [2020-10-13 10:52:30,200 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:52:30,200 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-13 10:52:30,201 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257773602] [2020-10-13 10:52:30,201 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-13 10:52:30,201 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:52:30,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-13 10:52:30,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=355, Invalid=457, Unknown=0, NotChecked=0, Total=812 [2020-10-13 10:52:30,202 INFO L87 Difference]: Start difference. First operand 200 states and 201 transitions. Second operand 29 states. [2020-10-13 10:52:30,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:52:30,464 INFO L93 Difference]: Finished difference Result 213 states and 215 transitions. [2020-10-13 10:52:30,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-13 10:52:30,465 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 197 [2020-10-13 10:52:30,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:52:30,467 INFO L225 Difference]: With dead ends: 213 [2020-10-13 10:52:30,467 INFO L226 Difference]: Without dead ends: 211 [2020-10-13 10:52:30,468 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=359, Invalid=511, Unknown=0, NotChecked=0, Total=870 [2020-10-13 10:52:30,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2020-10-13 10:52:30,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 207. [2020-10-13 10:52:30,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-10-13 10:52:30,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 208 transitions. [2020-10-13 10:52:30,479 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 208 transitions. Word has length 197 [2020-10-13 10:52:30,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:52:30,480 INFO L479 AbstractCegarLoop]: Abstraction has 207 states and 208 transitions. [2020-10-13 10:52:30,480 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-13 10:52:30,480 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 208 transitions. [2020-10-13 10:52:30,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-13 10:52:30,481 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:52:30,481 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 25, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:52:30,481 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2020-10-13 10:52:30,481 INFO L427 AbstractCegarLoop]: === Iteration 49 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:52:30,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:52:30,482 INFO L82 PathProgramCache]: Analyzing trace with hash -671187695, now seen corresponding path program 47 times [2020-10-13 10:52:30,482 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:52:30,482 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [810333378] [2020-10-13 10:52:30,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:52:30,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:30,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:31,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:31,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-10-13 10:52:31,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:31,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1440 [2020-10-13 10:52:31,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:31,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 52 [2020-10-13 10:52:31,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:52:31,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 244 [2020-10-13 10:52:31,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:33,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:52:33,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:33,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:33,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:33,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:52:33,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:33,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:33,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:33,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:52:33,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:33,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:52:33,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:33,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-13 10:52:33,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:33,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:33,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:33,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:33,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:33,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:33,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:33,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:33,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:33,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:33,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:33,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 10:52:33,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:33,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:33,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:33,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:33,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:33,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:33,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:33,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:33,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:33,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:33,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:33,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 10:52:33,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:33,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:33,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:33,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:33,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:33,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:33,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:33,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:33,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:33,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:33,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:33,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-13 10:52:33,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:33,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:33,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:33,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:33,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:33,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:33,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:33,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:33,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:33,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:33,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:33,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 10:52:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:33,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:33,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:33,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:33,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:33,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:33,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:33,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:33,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:33,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:33,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:33,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-13 10:52:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:33,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:33,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:33,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:33,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:33,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:33,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:33,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:33,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:33,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:33,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:33,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-13 10:52:33,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:33,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:33,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:33,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:33,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:33,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:33,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:33,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:33,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:33,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:33,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:33,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 10:52:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:33,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:33,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:33,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:33,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:33,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:33,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:33,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:33,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:33,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:33,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:33,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-13 10:52:33,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:33,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:33,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:33,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:33,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:33,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:33,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:33,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:33,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:33,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:33,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:33,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-13 10:52:33,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:33,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:33,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:33,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:33,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:33,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:33,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:33,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:33,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:33,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:33,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:33,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-13 10:52:33,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:33,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:33,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:33,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:33,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:33,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:33,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:33,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:33,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:33,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:33,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:33,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 10:52:33,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:33,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:33,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:33,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:33,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:33,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:33,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:33,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:33,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:33,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:33,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:33,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-13 10:52:33,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:33,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:33,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:33,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:33,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:33,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:33,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:33,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:33,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:33,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:33,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:33,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-13 10:52:33,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:33,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:33,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:33,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:33,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:33,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:33,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:33,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:33,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:33,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:33,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:33,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-13 10:52:33,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:33,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:33,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:33,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:33,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:33,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:33,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:33,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:33,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:33,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:33,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:33,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-13 10:52:33,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:33,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:33,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:33,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:33,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:33,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:33,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:33,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:33,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:33,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:33,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:33,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-13 10:52:33,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:33,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:33,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:33,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:33,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:33,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:33,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:33,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:33,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:33,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:33,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:33,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-13 10:52:33,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:33,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:33,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:33,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:33,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:33,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:33,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:33,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:33,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:33,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:33,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:33,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-13 10:52:33,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:33,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:33,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:33,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:33,219 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:33,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:33,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:33,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:33,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:33,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:33,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:33,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-13 10:52:33,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:33,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:33,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:33,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:33,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:33,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:33,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:33,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:33,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:33,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:33,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:33,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-13 10:52:33,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:33,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:33,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:33,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:33,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:33,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:33,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:33,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:33,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:33,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:33,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:33,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-13 10:52:33,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:33,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:33,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:33,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:33,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:33,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:33,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:33,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:33,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:33,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:33,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:33,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-10-13 10:52:33,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:33,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:33,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:33,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:33,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:33,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:33,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:33,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:33,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:33,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:33,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:33,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-13 10:52:33,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:33,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:33,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:33,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:33,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:33,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:33,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:33,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:33,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:33,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:33,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:33,265 INFO L134 CoverageAnalysis]: Checked inductivity of 2328 backedges. 924 proven. 300 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2020-10-13 10:52:33,266 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [810333378] [2020-10-13 10:52:33,266 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:52:33,266 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2020-10-13 10:52:33,266 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220282854] [2020-10-13 10:52:33,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 53 states [2020-10-13 10:52:33,266 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:52:33,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2020-10-13 10:52:33,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=703, Invalid=2053, Unknown=0, NotChecked=0, Total=2756 [2020-10-13 10:52:33,267 INFO L87 Difference]: Start difference. First operand 207 states and 208 transitions. Second operand 53 states. [2020-10-13 10:52:35,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:52:35,396 INFO L93 Difference]: Finished difference Result 291 states and 317 transitions. [2020-10-13 10:52:35,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-10-13 10:52:35,397 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 204 [2020-10-13 10:52:35,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:52:35,398 INFO L225 Difference]: With dead ends: 291 [2020-10-13 10:52:35,398 INFO L226 Difference]: Without dead ends: 208 [2020-10-13 10:52:35,400 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 924 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1457, Invalid=4705, Unknown=0, NotChecked=0, Total=6162 [2020-10-13 10:52:35,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-10-13 10:52:35,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2020-10-13 10:52:35,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2020-10-13 10:52:35,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 209 transitions. [2020-10-13 10:52:35,411 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 209 transitions. Word has length 204 [2020-10-13 10:52:35,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:52:35,411 INFO L479 AbstractCegarLoop]: Abstraction has 208 states and 209 transitions. [2020-10-13 10:52:35,412 INFO L480 AbstractCegarLoop]: Interpolant automaton has 53 states. [2020-10-13 10:52:35,412 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 209 transitions. [2020-10-13 10:52:35,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-13 10:52:35,413 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:52:35,413 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:52:35,413 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2020-10-13 10:52:35,413 INFO L427 AbstractCegarLoop]: === Iteration 50 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:52:35,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:52:35,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1582914600, now seen corresponding path program 48 times [2020-10-13 10:52:35,414 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:52:35,414 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [303283158] [2020-10-13 10:52:35,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:52:35,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:35,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:36,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:36,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 261 [2020-10-13 10:52:36,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:36,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1407 [2020-10-13 10:52:36,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:36,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 53 [2020-10-13 10:52:36,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:52:36,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 250 [2020-10-13 10:52:36,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:37,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:52:37,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:37,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:37,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:37,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:52:37,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:37,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:37,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:37,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:52:37,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:37,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:52:37,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:37,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 10:52:37,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:37,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:37,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:37,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:37,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:37,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:37,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:37,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:37,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:37,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:37,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:37,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 10:52:37,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:37,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:37,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:37,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:37,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:37,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:37,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:37,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:37,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:37,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:37,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:37,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 10:52:37,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:37,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:37,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:37,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:37,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:37,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:37,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:37,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:37,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:37,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:37,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:37,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 10:52:37,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:37,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:37,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:37,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:37,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:37,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:37,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:37,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:37,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:37,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:37,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:37,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 10:52:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:37,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:37,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:37,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:37,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:37,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:37,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:37,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:37,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:37,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:37,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:37,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-13 10:52:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:37,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:37,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:37,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:37,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:37,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:37,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:37,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:37,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:37,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:37,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:37,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 10:52:37,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:37,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:37,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:37,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:37,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:37,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:37,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:37,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:37,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:37,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:37,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:37,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 10:52:37,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:37,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:37,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:37,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:37,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:37,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:37,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:37,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:37,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:37,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:37,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:37,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-13 10:52:37,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:37,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:37,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:37,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:37,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:37,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:37,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:37,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:37,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:37,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:37,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:37,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 10:52:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:37,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:37,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:37,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:37,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:37,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:37,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:37,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:37,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:37,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:37,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:37,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-13 10:52:37,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:37,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:37,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:37,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:37,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:37,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:37,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:37,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:37,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:37,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:37,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:37,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-13 10:52:37,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:37,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:37,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:37,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:37,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:37,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:37,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:37,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:37,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:37,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:37,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:37,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-13 10:52:37,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:37,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:37,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:37,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:37,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:37,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:37,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:37,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:37,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:37,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:37,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:37,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-13 10:52:37,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:37,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:37,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:37,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:37,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:37,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:37,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:37,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:37,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:37,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:37,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:37,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 10:52:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:37,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:37,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:37,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:37,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:37,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:37,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:37,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:37,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:37,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:37,428 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:37,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-13 10:52:37,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:37,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:37,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:37,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:37,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:37,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:37,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:37,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:37,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:37,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:37,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:37,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-13 10:52:37,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:37,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:37,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:37,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:37,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:37,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:37,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:37,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:37,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:37,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:37,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:37,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-13 10:52:37,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:37,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:37,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:37,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:37,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:37,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:37,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:37,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:37,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:37,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:37,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:37,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-13 10:52:37,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:37,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:37,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:37,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:37,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:37,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:37,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:37,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:37,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:37,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:37,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:37,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-13 10:52:37,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:37,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:37,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:37,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:37,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:37,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:37,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:37,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:37,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:37,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:37,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:37,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-13 10:52:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:37,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:37,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:37,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:37,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:37,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:37,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:37,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:37,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:37,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:37,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:37,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-13 10:52:37,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:37,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:37,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:37,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:37,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:37,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:37,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:37,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:37,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:37,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:37,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:37,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 10:52:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:37,456 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:37,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:37,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:37,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:37,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:37,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:37,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:37,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:37,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:37,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:37,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-13 10:52:37,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:37,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:37,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:37,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:37,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:37,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:37,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:37,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:37,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:37,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:37,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:37,481 INFO L134 CoverageAnalysis]: Checked inductivity of 2353 backedges. 373 proven. 876 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2020-10-13 10:52:37,481 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [303283158] [2020-10-13 10:52:37,481 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:52:37,481 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-13 10:52:37,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390503415] [2020-10-13 10:52:37,482 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-13 10:52:37,482 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:52:37,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-13 10:52:37,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=382, Invalid=488, Unknown=0, NotChecked=0, Total=870 [2020-10-13 10:52:37,482 INFO L87 Difference]: Start difference. First operand 208 states and 209 transitions. Second operand 30 states. [2020-10-13 10:52:37,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:52:37,786 INFO L93 Difference]: Finished difference Result 221 states and 223 transitions. [2020-10-13 10:52:37,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-13 10:52:37,787 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 205 [2020-10-13 10:52:37,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:52:37,789 INFO L225 Difference]: With dead ends: 221 [2020-10-13 10:52:37,789 INFO L226 Difference]: Without dead ends: 219 [2020-10-13 10:52:37,789 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=386, Invalid=544, Unknown=0, NotChecked=0, Total=930 [2020-10-13 10:52:37,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2020-10-13 10:52:37,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 215. [2020-10-13 10:52:37,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2020-10-13 10:52:37,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 216 transitions. [2020-10-13 10:52:37,800 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 216 transitions. Word has length 205 [2020-10-13 10:52:37,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:52:37,800 INFO L479 AbstractCegarLoop]: Abstraction has 215 states and 216 transitions. [2020-10-13 10:52:37,800 INFO L480 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-13 10:52:37,800 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 216 transitions. [2020-10-13 10:52:37,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-10-13 10:52:37,801 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:52:37,802 INFO L422 BasicCegarLoop]: trace histogram [26, 26, 26, 25, 25, 25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:52:37,802 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2020-10-13 10:52:37,802 INFO L427 AbstractCegarLoop]: === Iteration 51 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:52:37,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:52:37,802 INFO L82 PathProgramCache]: Analyzing trace with hash 1351663538, now seen corresponding path program 49 times [2020-10-13 10:52:37,803 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:52:37,803 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [274381540] [2020-10-13 10:52:37,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:52:37,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:37,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:39,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:39,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-10-13 10:52:39,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:39,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1753 [2020-10-13 10:52:39,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:39,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-13 10:52:39,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:52:39,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 254 [2020-10-13 10:52:39,599 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:40,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:52:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:40,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:40,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:40,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:52:40,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:40,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:40,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:40,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:52:40,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:40,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:52:40,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:40,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-13 10:52:40,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:40,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:40,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:40,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:40,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:40,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:40,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:40,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:40,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:40,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:40,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:40,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 10:52:40,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:40,885 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:40,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:40,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:40,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:40,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:40,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:40,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:40,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:40,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:40,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:40,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 10:52:40,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:40,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:40,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:40,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:40,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:40,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:40,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:40,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:40,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:40,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:40,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:40,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 10:52:40,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:40,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:40,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:40,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:40,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:40,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:40,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:40,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:40,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:40,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:40,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:40,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 10:52:40,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:40,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:40,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:40,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:40,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:40,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:40,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:40,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:40,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:40,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:40,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:40,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-13 10:52:40,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:40,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:40,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:40,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:40,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:40,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:40,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:40,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:40,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:40,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:40,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:40,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 10:52:40,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:40,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:40,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:40,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:40,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:40,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:40,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:40,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:40,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:40,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:40,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:40,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 10:52:40,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:40,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:40,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:40,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:40,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:40,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:40,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:40,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:40,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:40,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:40,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:40,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-13 10:52:40,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:40,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:40,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:40,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:40,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:40,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:40,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:40,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:40,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:40,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:40,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:40,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 10:52:40,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:40,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:40,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:40,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:40,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:40,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:40,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:40,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:40,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:40,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:40,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:40,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-13 10:52:40,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:40,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:40,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:40,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:40,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:40,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:40,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:40,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:40,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:40,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:40,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:40,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-13 10:52:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:40,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:40,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:40,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:40,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:40,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:40,918 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:40,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:40,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:40,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:40,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:40,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-13 10:52:40,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:40,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:40,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:40,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:40,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:40,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:40,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:40,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:40,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:40,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:40,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:40,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-13 10:52:40,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:40,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:40,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:40,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:40,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:40,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:40,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:40,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:40,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:40,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:40,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:40,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 10:52:40,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:40,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:40,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:40,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:40,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:40,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:40,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:40,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:40,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:40,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:40,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:40,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-13 10:52:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:40,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:40,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:40,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:40,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:40,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:40,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:40,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:40,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:40,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:40,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:40,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-13 10:52:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:40,936 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:40,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:40,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:40,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:40,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:40,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:40,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:40,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:40,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:40,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:40,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-13 10:52:40,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:40,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:40,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:40,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:40,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:40,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:40,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:40,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:40,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:40,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:40,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:40,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-13 10:52:40,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:40,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:40,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:40,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:40,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:40,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:40,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:40,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:40,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:40,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:40,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:40,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-13 10:52:40,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:40,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:40,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:40,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:40,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:40,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:40,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:40,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:40,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:40,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:40,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:40,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-13 10:52:40,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:40,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:40,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:40,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:40,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:40,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:40,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:40,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:40,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:40,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:40,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:40,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-13 10:52:40,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:40,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:40,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:40,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:40,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:40,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:40,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:40,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:40,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:40,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:40,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:40,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 10:52:40,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:40,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:40,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:40,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:40,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:40,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:40,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:40,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:40,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:40,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:40,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:40,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-13 10:52:40,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:40,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:40,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:40,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:40,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:40,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:40,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:40,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:40,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:40,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:40,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:40,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-13 10:52:40,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:40,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:40,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:40,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:40,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:40,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:40,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:40,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:40,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:40,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:40,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:40,993 INFO L134 CoverageAnalysis]: Checked inductivity of 2525 backedges. 1000 proven. 325 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2020-10-13 10:52:40,994 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [274381540] [2020-10-13 10:52:40,994 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:52:40,994 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55] total 55 [2020-10-13 10:52:40,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128530772] [2020-10-13 10:52:40,994 INFO L459 AbstractCegarLoop]: Interpolant automaton has 55 states [2020-10-13 10:52:40,994 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:52:40,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2020-10-13 10:52:40,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=757, Invalid=2213, Unknown=0, NotChecked=0, Total=2970 [2020-10-13 10:52:40,995 INFO L87 Difference]: Start difference. First operand 215 states and 216 transitions. Second operand 55 states. [2020-10-13 10:52:43,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:52:43,225 INFO L93 Difference]: Finished difference Result 302 states and 329 transitions. [2020-10-13 10:52:43,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-10-13 10:52:43,226 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 212 [2020-10-13 10:52:43,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:52:43,228 INFO L225 Difference]: With dead ends: 302 [2020-10-13 10:52:43,228 INFO L226 Difference]: Without dead ends: 216 [2020-10-13 10:52:43,230 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1000 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1567, Invalid=5075, Unknown=0, NotChecked=0, Total=6642 [2020-10-13 10:52:43,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2020-10-13 10:52:43,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2020-10-13 10:52:43,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-10-13 10:52:43,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 217 transitions. [2020-10-13 10:52:43,244 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 217 transitions. Word has length 212 [2020-10-13 10:52:43,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:52:43,245 INFO L479 AbstractCegarLoop]: Abstraction has 216 states and 217 transitions. [2020-10-13 10:52:43,245 INFO L480 AbstractCegarLoop]: Interpolant automaton has 55 states. [2020-10-13 10:52:43,245 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 217 transitions. [2020-10-13 10:52:43,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-10-13 10:52:43,246 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:52:43,246 INFO L422 BasicCegarLoop]: trace histogram [26, 26, 26, 26, 25, 25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:52:43,246 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2020-10-13 10:52:43,246 INFO L427 AbstractCegarLoop]: === Iteration 52 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:52:43,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:52:43,246 INFO L82 PathProgramCache]: Analyzing trace with hash 1541746553, now seen corresponding path program 50 times [2020-10-13 10:52:43,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:52:43,247 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1185247347] [2020-10-13 10:52:43,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:52:43,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:43,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:44,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:44,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 271 [2020-10-13 10:52:44,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:44,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1551 [2020-10-13 10:52:44,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:44,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 55 [2020-10-13 10:52:44,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:52:44,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 260 [2020-10-13 10:52:44,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:45,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:52:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:45,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:45,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:45,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:52:45,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:45,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:45,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:45,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:52:45,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:45,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:52:45,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:45,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 10:52:45,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:45,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:45,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:45,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:45,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:45,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:45,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:45,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:45,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:45,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:45,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:45,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 10:52:45,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:45,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:45,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:45,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:45,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:45,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:45,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:45,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:45,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:45,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:45,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:45,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 10:52:45,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:45,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:45,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:45,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:45,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:45,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:45,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:45,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:45,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:45,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:45,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:45,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 10:52:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:45,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:45,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:45,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:45,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:45,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:45,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:45,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:45,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:45,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:45,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:45,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-13 10:52:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:45,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:45,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:45,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:45,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:45,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:45,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:45,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:45,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:45,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:45,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:45,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-13 10:52:45,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:45,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:45,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:45,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:45,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:45,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:45,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:45,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:45,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:45,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:45,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:45,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 10:52:45,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:45,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:45,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:45,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:45,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:45,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:45,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:45,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:45,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:45,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:45,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:45,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-13 10:52:45,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:45,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:45,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:45,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:45,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:45,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:45,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:45,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:45,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:45,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:45,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:45,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-13 10:52:45,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:45,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:45,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:45,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:45,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:45,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:45,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:45,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:45,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:45,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:45,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:45,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-13 10:52:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:45,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:45,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:45,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:45,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:45,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:45,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:45,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:45,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:45,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:45,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:45,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 10:52:45,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:45,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:45,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:45,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:45,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:45,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:45,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:45,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:45,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:45,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:45,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:45,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-13 10:52:45,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:45,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:45,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:45,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:45,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:45,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:45,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:45,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:45,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:45,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:45,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:45,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 10:52:45,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:45,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:45,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:45,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:45,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:45,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:45,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:45,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:45,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:45,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:45,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:45,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-13 10:52:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:45,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:45,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:45,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:45,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:45,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:45,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:45,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:45,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:45,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:45,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:45,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-13 10:52:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:45,410 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:45,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:45,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:45,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:45,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:45,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:45,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:45,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:45,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:45,412 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:45,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 10:52:45,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:45,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:45,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:45,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:45,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:45,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:45,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:45,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:45,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:45,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:45,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:45,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-13 10:52:45,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:45,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:45,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:45,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:45,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:45,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:45,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:45,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:45,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:45,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:45,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:45,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-13 10:52:45,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:45,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:45,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:45,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:45,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:45,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:45,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:45,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:45,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:45,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:45,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:45,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-13 10:52:45,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:45,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:45,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:45,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:45,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:45,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:45,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:45,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:45,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:45,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:45,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:45,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-13 10:52:45,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:45,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:45,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:45,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:45,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:45,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:45,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:45,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:45,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:45,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:45,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:45,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-13 10:52:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:45,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:45,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:45,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:45,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:45,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:45,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:45,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:45,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:45,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:45,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:45,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-13 10:52:45,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:45,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:45,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:45,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:45,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:45,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:45,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:45,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:45,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:45,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:45,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:45,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-10-13 10:52:45,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:45,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:45,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:45,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:45,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:45,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:45,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:45,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:45,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:45,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:45,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:45,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-13 10:52:45,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:45,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:45,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:45,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:45,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:45,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:45,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:45,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:45,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:45,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:45,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:45,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-13 10:52:45,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:45,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:45,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:45,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:45,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:45,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:45,453 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:45,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:45,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:45,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:45,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:45,478 INFO L134 CoverageAnalysis]: Checked inductivity of 2551 backedges. 401 proven. 950 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2020-10-13 10:52:45,478 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1185247347] [2020-10-13 10:52:45,479 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:52:45,479 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-13 10:52:45,479 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16851031] [2020-10-13 10:52:45,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-13 10:52:45,480 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:52:45,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-13 10:52:45,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=410, Invalid=520, Unknown=0, NotChecked=0, Total=930 [2020-10-13 10:52:45,480 INFO L87 Difference]: Start difference. First operand 216 states and 217 transitions. Second operand 31 states. [2020-10-13 10:52:45,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:52:45,794 INFO L93 Difference]: Finished difference Result 229 states and 231 transitions. [2020-10-13 10:52:45,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-13 10:52:45,795 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 213 [2020-10-13 10:52:45,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:52:45,796 INFO L225 Difference]: With dead ends: 229 [2020-10-13 10:52:45,797 INFO L226 Difference]: Without dead ends: 227 [2020-10-13 10:52:45,797 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=414, Invalid=578, Unknown=0, NotChecked=0, Total=992 [2020-10-13 10:52:45,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-10-13 10:52:45,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 223. [2020-10-13 10:52:45,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-10-13 10:52:45,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 224 transitions. [2020-10-13 10:52:45,808 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 224 transitions. Word has length 213 [2020-10-13 10:52:45,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:52:45,809 INFO L479 AbstractCegarLoop]: Abstraction has 223 states and 224 transitions. [2020-10-13 10:52:45,809 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-13 10:52:45,809 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 224 transitions. [2020-10-13 10:52:45,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-10-13 10:52:45,810 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:52:45,810 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 27, 26, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:52:45,811 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2020-10-13 10:52:45,811 INFO L427 AbstractCegarLoop]: === Iteration 53 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:52:45,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:52:45,811 INFO L82 PathProgramCache]: Analyzing trace with hash -863171343, now seen corresponding path program 51 times [2020-10-13 10:52:45,811 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:52:45,811 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2117264857] [2020-10-13 10:52:45,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:52:45,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:45,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:47,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:47,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-10-13 10:52:47,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:47,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1853 [2020-10-13 10:52:47,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:47,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 56 [2020-10-13 10:52:47,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:52:47,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 264 [2020-10-13 10:52:47,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:49,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:52:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:49,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:49,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:49,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:52:49,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:49,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:49,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:49,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:52:49,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:49,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:52:49,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:49,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-13 10:52:49,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:49,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:49,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:49,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:49,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:49,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:49,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:49,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:49,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:49,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:49,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:49,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 10:52:49,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:49,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:49,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:49,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:49,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:49,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:49,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:49,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:49,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:49,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:49,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:49,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 10:52:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:49,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:49,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:49,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:49,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:49,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:49,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:49,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:49,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:49,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:49,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:49,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 10:52:49,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:49,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:49,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:49,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:49,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:49,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:49,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:49,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:49,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:49,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:49,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:49,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-13 10:52:49,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:49,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:49,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:49,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:49,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:49,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:49,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:49,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:49,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:49,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:49,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:49,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-13 10:52:49,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:49,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:49,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:49,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:49,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:49,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:49,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:49,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:49,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:49,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:49,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:49,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 10:52:49,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:49,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:49,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:49,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:49,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:49,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:49,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:49,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:49,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:49,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:49,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:49,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-13 10:52:49,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:49,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:49,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:49,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:49,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:49,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:49,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:49,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:49,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:49,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:49,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:49,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-13 10:52:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:49,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:49,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:49,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:49,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:49,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:49,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:49,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:49,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:49,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:49,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:49,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-13 10:52:49,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:49,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:49,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:49,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:49,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:49,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:49,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:49,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:49,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:49,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:49,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:49,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 10:52:49,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:49,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:49,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:49,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:49,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:49,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:49,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:49,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:49,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:49,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:49,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:49,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-13 10:52:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:49,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:49,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:49,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:49,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:49,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:49,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:49,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:49,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:49,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:49,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:49,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 10:52:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:49,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:49,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:49,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:49,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:49,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:49,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:49,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:49,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:49,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:49,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:49,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-13 10:52:49,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:49,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:49,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:49,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:49,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:49,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:49,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:49,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:49,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:49,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:49,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:49,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-13 10:52:49,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:49,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:49,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:49,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:49,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:49,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:49,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:49,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:49,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:49,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:49,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:49,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 10:52:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:49,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:49,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:49,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:49,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:49,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:49,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:49,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:49,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:49,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:49,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:49,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-13 10:52:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:49,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:49,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:49,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:49,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:49,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:49,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:49,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:49,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:49,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:49,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:49,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-13 10:52:49,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:49,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:49,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:49,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:49,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:49,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:49,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:49,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:49,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:49,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:49,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:49,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-13 10:52:49,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:49,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:49,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:49,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:49,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:49,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:49,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:49,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:49,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:49,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:49,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:49,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-13 10:52:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:49,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:49,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:49,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:49,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:49,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:49,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:49,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:49,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:49,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:49,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:49,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-13 10:52:49,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:49,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:49,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:49,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:49,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:49,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:49,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:49,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:49,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:49,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:49,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:49,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-13 10:52:49,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:49,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:49,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:49,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:49,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:49,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:49,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:49,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:49,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:49,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:49,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:49,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-10-13 10:52:49,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:49,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:49,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:49,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:49,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:49,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:49,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:49,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:49,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:49,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:49,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:49,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-13 10:52:49,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:49,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:49,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:49,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:49,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:49,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:49,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:49,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:49,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:49,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:49,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:49,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-13 10:52:49,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:49,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:49,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:49,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:49,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:49,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:49,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:49,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:49,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:49,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:49,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:49,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-13 10:52:49,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:49,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:49,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:49,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:49,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:49,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:49,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:49,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:49,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:49,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:49,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:49,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2730 backedges. 1079 proven. 351 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2020-10-13 10:52:49,220 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2117264857] [2020-10-13 10:52:49,220 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:52:49,220 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57] total 57 [2020-10-13 10:52:49,220 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [571968688] [2020-10-13 10:52:49,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 57 states [2020-10-13 10:52:49,221 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:52:49,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2020-10-13 10:52:49,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=813, Invalid=2379, Unknown=0, NotChecked=0, Total=3192 [2020-10-13 10:52:49,222 INFO L87 Difference]: Start difference. First operand 223 states and 224 transitions. Second operand 57 states. [2020-10-13 10:52:51,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:52:51,652 INFO L93 Difference]: Finished difference Result 313 states and 341 transitions. [2020-10-13 10:52:51,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2020-10-13 10:52:51,652 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 220 [2020-10-13 10:52:51,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:52:51,654 INFO L225 Difference]: With dead ends: 313 [2020-10-13 10:52:51,654 INFO L226 Difference]: Without dead ends: 224 [2020-10-13 10:52:51,657 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1079 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=1681, Invalid=5459, Unknown=0, NotChecked=0, Total=7140 [2020-10-13 10:52:51,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2020-10-13 10:52:51,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2020-10-13 10:52:51,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-10-13 10:52:51,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 225 transitions. [2020-10-13 10:52:51,668 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 225 transitions. Word has length 220 [2020-10-13 10:52:51,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:52:51,668 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 225 transitions. [2020-10-13 10:52:51,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 57 states. [2020-10-13 10:52:51,668 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 225 transitions. [2020-10-13 10:52:51,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-10-13 10:52:51,669 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:52:51,670 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 27, 27, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:52:51,670 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2020-10-13 10:52:51,670 INFO L427 AbstractCegarLoop]: === Iteration 54 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:52:51,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:52:51,671 INFO L82 PathProgramCache]: Analyzing trace with hash 825542072, now seen corresponding path program 52 times [2020-10-13 10:52:51,671 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:52:51,671 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [549681981] [2020-10-13 10:52:51,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:52:51,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:51,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:53,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:53,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-10-13 10:52:53,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:53,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1771 [2020-10-13 10:52:53,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:53,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 57 [2020-10-13 10:52:53,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:52:53,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 270 [2020-10-13 10:52:53,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:54,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:52:54,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:54,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:54,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:54,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:52:54,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:54,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:54,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:54,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:52:54,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:54,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:52:54,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:54,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-13 10:52:54,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:54,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:54,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:54,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:54,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:54,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:54,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:54,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:54,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:54,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:54,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:54,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 10:52:54,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:54,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:54,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:54,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:54,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:54,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:54,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:54,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:54,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:54,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:54,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:54,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-13 10:52:54,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:54,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:54,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:54,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:54,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:54,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:54,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:54,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:54,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:54,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:54,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:54,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 10:52:54,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:54,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:54,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:54,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:54,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:54,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:54,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:54,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:54,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:54,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:54,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:54,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-13 10:52:54,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:54,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:54,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:54,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:54,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:54,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:54,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:54,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:54,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:54,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:54,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:54,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-13 10:52:54,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:54,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:54,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:54,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:54,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:54,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:54,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:54,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:54,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:54,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:54,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:54,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 10:52:54,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:54,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:54,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:54,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:54,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:54,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:54,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:54,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:54,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:54,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:54,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:54,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-13 10:52:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:54,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:54,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:54,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:54,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:54,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:54,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:54,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:54,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:54,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:54,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:54,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 10:52:54,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:54,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:54,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:54,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:54,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:54,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:54,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:54,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:54,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:54,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:54,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:54,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-13 10:52:54,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:54,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:54,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:54,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:54,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:54,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:54,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:54,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:54,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:54,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:54,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:54,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 10:52:54,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:54,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:54,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:54,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:54,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:54,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:54,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:54,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:54,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:54,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:54,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:54,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-13 10:52:54,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:54,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:54,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:54,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:54,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:54,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:54,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:54,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:54,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:54,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:54,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:54,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-13 10:52:54,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:54,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:54,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:54,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:54,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:54,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:54,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:54,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:54,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:54,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:54,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:54,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-13 10:52:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:54,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:54,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:54,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:54,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:54,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:54,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:54,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:54,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:54,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:54,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:54,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 10:52:54,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:54,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:54,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:54,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:54,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:54,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:54,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:54,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:54,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:54,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:54,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:54,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-13 10:52:54,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:54,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:54,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:54,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:54,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:54,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:54,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:54,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:54,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:54,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:54,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:54,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-13 10:52:54,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:54,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:54,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:54,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:54,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:54,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:54,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:54,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:54,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:54,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:54,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:54,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-13 10:52:54,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:54,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:54,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:54,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:54,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:54,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:54,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:54,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:54,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:54,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:54,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:54,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-13 10:52:54,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:54,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:54,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:54,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:54,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:54,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:54,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:54,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:54,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:54,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:54,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:54,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-13 10:52:54,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:54,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:54,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:54,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:54,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:54,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:54,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:54,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:54,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:54,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:54,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:54,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-13 10:52:54,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:54,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:54,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:54,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:54,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:54,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:54,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:54,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:54,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:54,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:54,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:54,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-13 10:52:54,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:54,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:54,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:54,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:54,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:54,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:54,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:54,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:54,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:54,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:54,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:54,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-13 10:52:54,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:54,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:54,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:54,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:54,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:54,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:54,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:54,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:54,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:54,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:54,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:54,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-10-13 10:52:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:54,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:54,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:54,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:54,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:54,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:54,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:54,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:54,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:54,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:54,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:54,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-13 10:52:54,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:54,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:54,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:54,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:54,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:54,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:54,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:54,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:54,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:54,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:54,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:54,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-13 10:52:54,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:54,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:54,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:54,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:54,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:54,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:54,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:54,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:54,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:54,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:54,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:54,142 INFO L134 CoverageAnalysis]: Checked inductivity of 2757 backedges. 430 proven. 1027 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2020-10-13 10:52:54,142 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [549681981] [2020-10-13 10:52:54,142 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:52:54,143 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2020-10-13 10:52:54,143 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439451346] [2020-10-13 10:52:54,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-10-13 10:52:54,143 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:52:54,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-10-13 10:52:54,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=439, Invalid=553, Unknown=0, NotChecked=0, Total=992 [2020-10-13 10:52:54,144 INFO L87 Difference]: Start difference. First operand 224 states and 225 transitions. Second operand 32 states. [2020-10-13 10:52:54,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:52:54,487 INFO L93 Difference]: Finished difference Result 237 states and 239 transitions. [2020-10-13 10:52:54,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-13 10:52:54,488 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 221 [2020-10-13 10:52:54,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:52:54,490 INFO L225 Difference]: With dead ends: 237 [2020-10-13 10:52:54,490 INFO L226 Difference]: Without dead ends: 235 [2020-10-13 10:52:54,490 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=443, Invalid=613, Unknown=0, NotChecked=0, Total=1056 [2020-10-13 10:52:54,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2020-10-13 10:52:54,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 231. [2020-10-13 10:52:54,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2020-10-13 10:52:54,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 232 transitions. [2020-10-13 10:52:54,502 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 232 transitions. Word has length 221 [2020-10-13 10:52:54,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:52:54,502 INFO L479 AbstractCegarLoop]: Abstraction has 231 states and 232 transitions. [2020-10-13 10:52:54,503 INFO L480 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-10-13 10:52:54,503 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 232 transitions. [2020-10-13 10:52:54,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-10-13 10:52:54,504 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:52:54,504 INFO L422 BasicCegarLoop]: trace histogram [28, 28, 28, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:52:54,504 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2020-10-13 10:52:54,505 INFO L427 AbstractCegarLoop]: === Iteration 55 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:52:54,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:52:54,505 INFO L82 PathProgramCache]: Analyzing trace with hash -1324170798, now seen corresponding path program 53 times [2020-10-13 10:52:54,505 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:52:54,505 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1987366309] [2020-10-13 10:52:54,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:52:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:54,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:56,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:56,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 290 [2020-10-13 10:52:56,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:56,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2077 [2020-10-13 10:52:56,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:56,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 58 [2020-10-13 10:52:56,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:52:56,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 274 [2020-10-13 10:52:56,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:58,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:52:58,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:58,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:58,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:58,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:52:58,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:58,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:52:58,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:58,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:52:58,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:58,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:52:58,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:58,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-13 10:52:58,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:58,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:58,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:58,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:58,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:58,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:58,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:58,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:58,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:58,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:58,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:58,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 10:52:58,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:58,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:58,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:58,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:58,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:58,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:58,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:58,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:58,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:58,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:58,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:58,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-13 10:52:58,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:58,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:58,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:58,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:58,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:58,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:58,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:58,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:58,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:58,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:58,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:58,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 10:52:58,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:58,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:58,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:58,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:58,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:58,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:58,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:58,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:58,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:58,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:58,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:58,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-13 10:52:58,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:58,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:58,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:58,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:58,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:58,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:58,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:58,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:58,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:58,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:58,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:58,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-13 10:52:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:58,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:58,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:58,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:58,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:58,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:58,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:58,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:58,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:58,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:58,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:58,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 10:52:58,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:58,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:58,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:58,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:58,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:58,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:58,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:58,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:58,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:58,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:58,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:58,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-13 10:52:58,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:58,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:58,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:58,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:58,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:58,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:58,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:58,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:58,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:58,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:58,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:58,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 10:52:58,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:58,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:58,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:58,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:58,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:58,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:58,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:58,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:58,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:58,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:58,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:58,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-13 10:52:58,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:58,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:58,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:58,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:58,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:58,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:58,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:58,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:58,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:58,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:58,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:58,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 10:52:58,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:58,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:58,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:58,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:58,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:58,219 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:58,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:58,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:58,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:58,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:58,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:58,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-13 10:52:58,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:58,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:58,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:58,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:58,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:58,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:58,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:58,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:58,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:58,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:58,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:58,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-13 10:52:58,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:58,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:58,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:58,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:58,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:58,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:58,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:58,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:58,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:58,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:58,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:58,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-13 10:52:58,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:58,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:58,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:58,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:58,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:58,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:58,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:58,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:58,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:58,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:58,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:58,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 10:52:58,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:58,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:58,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:58,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:58,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:58,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:58,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:58,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:58,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:58,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:58,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:52:58,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-13 10:52:58,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:58,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:58,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:58,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:58,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:58,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:52:58,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:58,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:58,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:58,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:58,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:52:58,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-13 10:52:58,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:58,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:58,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:58,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:58,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:58,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:58,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:58,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:58,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:58,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:58,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:58,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-13 10:52:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:58,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:58,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:58,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:58,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:58,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:58,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:58,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:58,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:58,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:58,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:52:58,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-13 10:52:58,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:58,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:58,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:58,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:58,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:58,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:52:58,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:58,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:58,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:58,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:58,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:52:58,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-13 10:52:58,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:58,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:58,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:58,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:58,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:58,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:52:58,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:58,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:58,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:58,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:58,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:58,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-13 10:52:58,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:58,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:58,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:58,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:58,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:58,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:52:58,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:58,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:58,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:58,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:58,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:52:58,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-13 10:52:58,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:58,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:58,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:58,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:58,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:58,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:52:58,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:58,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:58,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:58,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:58,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:52:58,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-13 10:52:58,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:58,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:58,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:58,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:58,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:58,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:58,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:58,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:58,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:58,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:58,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:58,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-10-13 10:52:58,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:58,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:58,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:58,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:58,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:58,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:58,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:58,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:58,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:58,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:58,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:58,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-13 10:52:58,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:58,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:58,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:58,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:58,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:58,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:52:58,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:58,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:58,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:58,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:58,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:52:58,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-13 10:52:58,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:58,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:58,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:58,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:58,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:58,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:52:58,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:58,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:58,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:58,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:58,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-13 10:52:58,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-10-13 10:52:58,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:52:58,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:52:58,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:52:58,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:52:58,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:52:58,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-13 10:52:58,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:52:58,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:52:58,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:52:58,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:52:58,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:52:58,390 INFO L134 CoverageAnalysis]: Checked inductivity of 2943 backedges. 1161 proven. 378 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2020-10-13 10:52:58,390 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1987366309] [2020-10-13 10:52:58,391 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:52:58,391 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59] total 59 [2020-10-13 10:52:58,391 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533699162] [2020-10-13 10:52:58,393 INFO L459 AbstractCegarLoop]: Interpolant automaton has 59 states [2020-10-13 10:52:58,393 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:52:58,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2020-10-13 10:52:58,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=871, Invalid=2551, Unknown=0, NotChecked=0, Total=3422 [2020-10-13 10:52:58,394 INFO L87 Difference]: Start difference. First operand 231 states and 232 transitions. Second operand 59 states. [2020-10-13 10:53:00,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:53:00,399 INFO L93 Difference]: Finished difference Result 324 states and 353 transitions. [2020-10-13 10:53:00,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2020-10-13 10:53:00,400 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 228 [2020-10-13 10:53:00,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:53:00,402 INFO L225 Difference]: With dead ends: 324 [2020-10-13 10:53:00,402 INFO L226 Difference]: Without dead ends: 232 [2020-10-13 10:53:00,404 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1161 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=1799, Invalid=5857, Unknown=0, NotChecked=0, Total=7656 [2020-10-13 10:53:00,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2020-10-13 10:53:00,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 232. [2020-10-13 10:53:00,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2020-10-13 10:53:00,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 233 transitions. [2020-10-13 10:53:00,418 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 233 transitions. Word has length 228 [2020-10-13 10:53:00,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:53:00,418 INFO L479 AbstractCegarLoop]: Abstraction has 232 states and 233 transitions. [2020-10-13 10:53:00,418 INFO L480 AbstractCegarLoop]: Interpolant automaton has 59 states. [2020-10-13 10:53:00,418 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 233 transitions. [2020-10-13 10:53:00,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-10-13 10:53:00,420 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:53:00,420 INFO L422 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:53:00,420 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2020-10-13 10:53:00,420 INFO L427 AbstractCegarLoop]: === Iteration 56 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:53:00,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:53:00,420 INFO L82 PathProgramCache]: Analyzing trace with hash -273366119, now seen corresponding path program 54 times [2020-10-13 10:53:00,421 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:53:00,421 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2053095859] [2020-10-13 10:53:00,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:53:00,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:00,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:02,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:02,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 291 [2020-10-13 10:53:02,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:02,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1972 [2020-10-13 10:53:02,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:02,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 59 [2020-10-13 10:53:02,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:53:02,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 280 [2020-10-13 10:53:02,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:03,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:53:03,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:03,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:03,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:03,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:53:03,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:03,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:03,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:03,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:53:03,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:03,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:53:03,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:03,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 10:53:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:03,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:03,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:03,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:03,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:03,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:03,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:03,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:03,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:03,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:03,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:03,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-13 10:53:03,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:03,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:03,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:03,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:03,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:03,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-13 10:53:03,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:03,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:03,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:03,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:03,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:03,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 10:53:03,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:03,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:03,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:03,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:03,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:03,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:03,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:03,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:03,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:03,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:03,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:03,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 10:53:03,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:03,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:03,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:03,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:03,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:03,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:03,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:03,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:03,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:03,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:03,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:03,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 10:53:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:03,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:03,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:03,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:03,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:03,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:03,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:03,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:03,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:03,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:03,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:03,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-13 10:53:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:03,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:03,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:03,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:03,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:03,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:03,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:03,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:03,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:03,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:03,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:03,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 10:53:03,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:03,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:03,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:03,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:03,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:03,056 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:03,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:03,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:03,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:03,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:03,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:03,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-13 10:53:03,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:03,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:03,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:03,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:03,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:03,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:03,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:03,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:03,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:03,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:03,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:03,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-13 10:53:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:03,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:03,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:03,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:03,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:03,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:03,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:03,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:03,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:03,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:03,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:03,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 10:53:03,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:03,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:03,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:03,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:03,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:03,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:03,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:03,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:03,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:03,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:03,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:03,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-13 10:53:03,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:03,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:03,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:03,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:03,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:03,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:03,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:03,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:03,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:03,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:03,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:03,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-13 10:53:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:03,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:03,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:03,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:03,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:03,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:03,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:03,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:03,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:03,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:03,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:03,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-13 10:53:03,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:03,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:03,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:03,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:03,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:03,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:03,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:03,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:03,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:03,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:03,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:03,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-13 10:53:03,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:03,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:03,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:03,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:03,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:03,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:03,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:03,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:03,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:03,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:03,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:03,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-13 10:53:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:03,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:03,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:03,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:03,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:03,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:03,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:03,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:03,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:03,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:03,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:03,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-13 10:53:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:03,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:03,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:03,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:03,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:03,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:03,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:03,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:03,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:03,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:03,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:03,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-13 10:53:03,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:03,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:03,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:03,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:03,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:03,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:03,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:03,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:03,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:03,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:03,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:03,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-13 10:53:03,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:03,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:03,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:03,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:03,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:03,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:03,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:03,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:03,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:03,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:03,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:03,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-13 10:53:03,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:03,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:03,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:03,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:03,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:03,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:03,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:03,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:03,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:03,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:03,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:03,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-13 10:53:03,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:03,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:03,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:03,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:03,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:03,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:03,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:03,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:03,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:03,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:03,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:03,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-13 10:53:03,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:03,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:03,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:03,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:03,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:03,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:03,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:03,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:03,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:03,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:03,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:03,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-10-13 10:53:03,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:03,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:03,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:03,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:03,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:03,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:03,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:03,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:03,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:03,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:03,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:03,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-13 10:53:03,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:03,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:03,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:03,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:03,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:03,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:03,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:03,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:03,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:03,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:03,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:03,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-13 10:53:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:03,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:03,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:03,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:03,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:03,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:03,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:03,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:03,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:03,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:03,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:03,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-13 10:53:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:03,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:03,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:03,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:03,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:03,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:03,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:03,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:03,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:03,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:03,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:03,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-10-13 10:53:03,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:03,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:03,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:03,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:03,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:03,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:03,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:03,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:03,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:03,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:03,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:03,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-10-13 10:53:03,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:03,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:03,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:03,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:03,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:03,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:03,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:03,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:03,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:03,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:03,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:03,195 INFO L134 CoverageAnalysis]: Checked inductivity of 2971 backedges. 460 proven. 1107 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2020-10-13 10:53:03,195 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2053095859] [2020-10-13 10:53:03,196 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:53:03,196 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2020-10-13 10:53:03,196 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121007814] [2020-10-13 10:53:03,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-10-13 10:53:03,197 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:53:03,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-10-13 10:53:03,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=469, Invalid=587, Unknown=0, NotChecked=0, Total=1056 [2020-10-13 10:53:03,198 INFO L87 Difference]: Start difference. First operand 232 states and 233 transitions. Second operand 33 states. [2020-10-13 10:53:03,537 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:53:03,537 INFO L93 Difference]: Finished difference Result 245 states and 247 transitions. [2020-10-13 10:53:03,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-13 10:53:03,538 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 229 [2020-10-13 10:53:03,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:53:03,540 INFO L225 Difference]: With dead ends: 245 [2020-10-13 10:53:03,541 INFO L226 Difference]: Without dead ends: 243 [2020-10-13 10:53:03,541 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=473, Invalid=649, Unknown=0, NotChecked=0, Total=1122 [2020-10-13 10:53:03,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2020-10-13 10:53:03,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 239. [2020-10-13 10:53:03,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2020-10-13 10:53:03,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 240 transitions. [2020-10-13 10:53:03,554 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 240 transitions. Word has length 229 [2020-10-13 10:53:03,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:53:03,554 INFO L479 AbstractCegarLoop]: Abstraction has 239 states and 240 transitions. [2020-10-13 10:53:03,554 INFO L480 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-10-13 10:53:03,554 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 240 transitions. [2020-10-13 10:53:03,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-10-13 10:53:03,555 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:53:03,556 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 29, 28, 28, 28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:53:03,556 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2020-10-13 10:53:03,556 INFO L427 AbstractCegarLoop]: === Iteration 57 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:53:03,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:53:03,556 INFO L82 PathProgramCache]: Analyzing trace with hash 1274320081, now seen corresponding path program 55 times [2020-10-13 10:53:03,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:53:03,557 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1794608454] [2020-10-13 10:53:03,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:53:03,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:03,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:05,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:05,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 300 [2020-10-13 10:53:05,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:05,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2194 [2020-10-13 10:53:05,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:05,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 60 [2020-10-13 10:53:05,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:53:05,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 284 [2020-10-13 10:53:05,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:07,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:53:07,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:07,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:07,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:07,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:53:07,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:07,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:07,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:07,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:53:07,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:07,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:53:07,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:07,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-13 10:53:07,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:07,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:07,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:07,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:07,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:07,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:07,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:07,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:07,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:07,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:07,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:07,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-13 10:53:07,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:07,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:07,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:07,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:07,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:07,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:07,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:07,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:07,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:07,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:07,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:07,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 10:53:07,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:07,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:07,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:07,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:07,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:07,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:07,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:07,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:07,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:07,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:07,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:07,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 10:53:07,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:07,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:07,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:07,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:07,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:07,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:07,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:07,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:07,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:07,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:07,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:07,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 10:53:07,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:07,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:07,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:07,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:07,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:07,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:07,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:07,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:07,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:07,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:07,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:07,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-13 10:53:07,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:07,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:07,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:07,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:07,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:07,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:07,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:07,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:07,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:07,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:07,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:07,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 10:53:07,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:07,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:07,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:07,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:07,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:07,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:07,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:07,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:07,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:07,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:07,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:07,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-13 10:53:07,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:07,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:07,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:07,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:07,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:07,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:07,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:07,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:07,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:07,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:07,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:07,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-13 10:53:07,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:07,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:07,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:07,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:07,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:07,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:07,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:07,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:07,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:07,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:07,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:07,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 10:53:07,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:07,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:07,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:07,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:07,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:07,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:07,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:07,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:07,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:07,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:07,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:07,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-13 10:53:07,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:07,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:07,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:07,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:07,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:07,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:07,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:07,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:07,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:07,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:07,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:07,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-13 10:53:07,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:07,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:07,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:07,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:07,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:07,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:07,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:07,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:07,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:07,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:07,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:07,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-13 10:53:07,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:07,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:07,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:07,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:07,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:07,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:07,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:07,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:07,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:07,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:07,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:07,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-13 10:53:07,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:07,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:07,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:07,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:07,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:07,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:07,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:07,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:07,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:07,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:07,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:07,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-13 10:53:07,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:07,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:07,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:07,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:07,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:07,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:07,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:07,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:07,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:07,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:07,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:07,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-13 10:53:07,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:07,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:07,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:07,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:07,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:07,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:07,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:07,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:07,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:07,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:07,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:07,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-13 10:53:07,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:07,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:07,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:07,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:07,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:07,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:07,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:07,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:07,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:07,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:07,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:07,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-13 10:53:07,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:07,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:07,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:07,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:07,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:07,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:07,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:07,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:07,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:07,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:07,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:07,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-13 10:53:07,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:07,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:07,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:07,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:07,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:07,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:07,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:07,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:07,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:07,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:07,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:07,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-13 10:53:07,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:07,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:07,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:07,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:07,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:07,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:07,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:07,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:07,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:07,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:07,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:07,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-13 10:53:07,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:07,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:07,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:07,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:07,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:07,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:07,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:07,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:07,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:07,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:07,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:07,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-10-13 10:53:07,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:07,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:07,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:07,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:07,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:07,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:07,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:07,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:07,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:07,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:07,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:07,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-13 10:53:07,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:07,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:07,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:07,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:07,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:07,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:07,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:07,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:07,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:07,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:07,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:07,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-13 10:53:07,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:07,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:07,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:07,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:07,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:07,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:07,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:07,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:07,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:07,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:07,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:07,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-13 10:53:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:07,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:07,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:07,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:07,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:07,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:07,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:07,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:07,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:07,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:07,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:07,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-10-13 10:53:07,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:07,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:07,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:07,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:07,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:07,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:07,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:07,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:07,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:07,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:07,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:07,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-10-13 10:53:07,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:07,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:07,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:07,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:07,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:07,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:07,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:07,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:07,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:07,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:07,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:07,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-10-13 10:53:07,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:07,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:07,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:07,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:07,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:07,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:07,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:07,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:07,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:07,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:07,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:07,670 INFO L134 CoverageAnalysis]: Checked inductivity of 3164 backedges. 1246 proven. 406 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2020-10-13 10:53:07,670 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1794608454] [2020-10-13 10:53:07,670 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:53:07,670 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [61] total 61 [2020-10-13 10:53:07,670 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722852722] [2020-10-13 10:53:07,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 61 states [2020-10-13 10:53:07,671 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:53:07,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2020-10-13 10:53:07,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=931, Invalid=2729, Unknown=0, NotChecked=0, Total=3660 [2020-10-13 10:53:07,672 INFO L87 Difference]: Start difference. First operand 239 states and 240 transitions. Second operand 61 states. [2020-10-13 10:53:10,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:53:10,507 INFO L93 Difference]: Finished difference Result 335 states and 365 transitions. [2020-10-13 10:53:10,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2020-10-13 10:53:10,508 INFO L78 Accepts]: Start accepts. Automaton has 61 states. Word has length 236 [2020-10-13 10:53:10,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:53:10,509 INFO L225 Difference]: With dead ends: 335 [2020-10-13 10:53:10,510 INFO L226 Difference]: Without dead ends: 240 [2020-10-13 10:53:10,511 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1246 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=1921, Invalid=6269, Unknown=0, NotChecked=0, Total=8190 [2020-10-13 10:53:10,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-10-13 10:53:10,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 240. [2020-10-13 10:53:10,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2020-10-13 10:53:10,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 241 transitions. [2020-10-13 10:53:10,523 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 241 transitions. Word has length 236 [2020-10-13 10:53:10,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:53:10,524 INFO L479 AbstractCegarLoop]: Abstraction has 240 states and 241 transitions. [2020-10-13 10:53:10,524 INFO L480 AbstractCegarLoop]: Interpolant automaton has 61 states. [2020-10-13 10:53:10,524 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 241 transitions. [2020-10-13 10:53:10,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2020-10-13 10:53:10,525 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:53:10,525 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 29, 29, 28, 28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:53:10,526 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2020-10-13 10:53:10,526 INFO L427 AbstractCegarLoop]: === Iteration 58 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:53:10,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:53:10,526 INFO L82 PathProgramCache]: Analyzing trace with hash 1312284568, now seen corresponding path program 56 times [2020-10-13 10:53:10,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:53:10,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [378096193] [2020-10-13 10:53:10,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:53:10,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:10,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:12,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:12,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 301 [2020-10-13 10:53:12,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:12,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2394 [2020-10-13 10:53:12,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:12,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 61 [2020-10-13 10:53:12,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:53:12,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 290 [2020-10-13 10:53:12,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:13,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:53:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:13,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:13,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:13,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:53:13,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:13,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:13,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:13,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:53:13,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:13,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:53:13,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:13,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 10:53:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:13,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:13,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:13,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:13,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:13,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:13,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:13,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:13,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:13,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:13,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:13,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 10:53:13,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:13,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:13,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:13,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:13,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:13,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:13,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:13,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:13,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:13,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:13,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:13,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-13 10:53:13,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:13,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:13,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:13,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:13,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:13,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:13,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:13,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:13,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:13,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:13,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:13,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-13 10:53:13,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:13,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:13,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:13,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:13,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:13,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:13,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:13,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:13,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:13,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:13,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:13,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 10:53:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:13,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:13,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:13,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:13,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:13,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:13,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:13,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:13,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:13,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:13,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:13,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 10:53:13,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:13,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:13,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:13,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:13,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:13,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:13,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:13,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:13,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:13,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:13,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:13,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-13 10:53:13,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:13,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:13,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:13,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:13,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:13,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:13,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:13,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:13,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:13,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:13,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:13,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-13 10:53:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:13,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:13,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:13,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:13,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:13,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:13,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:13,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:13,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:13,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:13,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:13,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 10:53:13,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:13,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:13,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:13,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:13,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:13,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:13,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:13,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:13,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:13,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:13,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:13,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 10:53:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:13,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:13,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:13,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:13,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:13,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:13,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:13,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:13,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:13,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:13,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:13,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-13 10:53:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:13,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:13,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:13,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:13,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:13,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:13,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:13,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:13,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:13,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:13,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:13,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-13 10:53:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:13,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:13,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:13,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:13,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:13,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:13,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:13,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:13,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:13,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:13,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:13,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-13 10:53:13,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:13,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:13,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:13,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:13,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:13,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:13,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:13,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:13,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:13,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:13,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:13,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-13 10:53:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:13,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:13,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:13,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:13,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:13,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:13,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:13,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:13,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:13,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:13,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:13,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-13 10:53:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:13,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:13,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:13,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:13,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:13,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:13,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:13,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:13,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:13,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:13,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:13,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-13 10:53:13,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:13,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:13,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:13,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:13,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:13,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:13,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:13,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:13,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:13,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:13,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:13,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-13 10:53:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:13,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:13,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:13,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:13,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:13,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:13,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:13,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:13,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:13,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:13,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:13,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-13 10:53:13,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:13,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:13,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:13,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:13,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:13,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:13,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:13,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:13,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:13,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:13,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:13,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-13 10:53:13,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:13,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:13,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:13,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:13,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:13,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:13,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:13,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:13,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:13,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:13,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:13,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-13 10:53:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:13,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:13,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:13,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:13,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:13,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:13,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:13,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:13,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:13,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:13,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:13,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-13 10:53:13,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:13,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:13,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:13,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:13,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:13,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:13,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:13,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:13,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:13,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:13,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:13,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-10-13 10:53:13,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:13,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:13,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:13,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:13,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:13,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:13,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:13,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:13,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:13,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:13,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:13,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-10-13 10:53:13,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:13,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:13,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:13,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:13,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:13,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:13,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:13,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:13,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:13,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:13,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:13,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-10-13 10:53:13,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:13,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:13,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:13,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:13,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:13,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:13,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:13,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:13,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:13,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:13,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:13,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-13 10:53:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:13,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:13,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:13,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:13,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:13,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:13,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:13,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:13,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:13,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:13,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:13,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-13 10:53:13,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:13,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:13,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:13,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:13,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:13,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:13,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:13,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:13,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:13,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:13,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:13,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-13 10:53:13,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:13,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:13,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:13,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:13,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:13,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:13,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:13,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:13,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:13,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:13,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:13,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-10-13 10:53:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:13,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:13,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:13,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:13,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:13,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:13,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:13,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:13,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:13,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:13,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:13,729 INFO L134 CoverageAnalysis]: Checked inductivity of 3193 backedges. 491 proven. 1190 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2020-10-13 10:53:13,729 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [378096193] [2020-10-13 10:53:13,729 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:53:13,729 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2020-10-13 10:53:13,729 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129949094] [2020-10-13 10:53:13,730 INFO L459 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-10-13 10:53:13,730 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:53:13,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-10-13 10:53:13,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=500, Invalid=622, Unknown=0, NotChecked=0, Total=1122 [2020-10-13 10:53:13,731 INFO L87 Difference]: Start difference. First operand 240 states and 241 transitions. Second operand 34 states. [2020-10-13 10:53:14,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:53:14,098 INFO L93 Difference]: Finished difference Result 253 states and 255 transitions. [2020-10-13 10:53:14,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-13 10:53:14,099 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 237 [2020-10-13 10:53:14,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:53:14,101 INFO L225 Difference]: With dead ends: 253 [2020-10-13 10:53:14,101 INFO L226 Difference]: Without dead ends: 251 [2020-10-13 10:53:14,101 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=504, Invalid=686, Unknown=0, NotChecked=0, Total=1190 [2020-10-13 10:53:14,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2020-10-13 10:53:14,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 247. [2020-10-13 10:53:14,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2020-10-13 10:53:14,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 248 transitions. [2020-10-13 10:53:14,113 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 248 transitions. Word has length 237 [2020-10-13 10:53:14,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:53:14,113 INFO L479 AbstractCegarLoop]: Abstraction has 247 states and 248 transitions. [2020-10-13 10:53:14,113 INFO L480 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-10-13 10:53:14,113 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 248 transitions. [2020-10-13 10:53:14,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-10-13 10:53:14,115 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:53:14,115 INFO L422 BasicCegarLoop]: trace histogram [30, 30, 30, 29, 29, 29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:53:14,115 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2020-10-13 10:53:14,115 INFO L427 AbstractCegarLoop]: === Iteration 59 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:53:14,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:53:14,116 INFO L82 PathProgramCache]: Analyzing trace with hash 1561906162, now seen corresponding path program 57 times [2020-10-13 10:53:14,116 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:53:14,116 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [921679788] [2020-10-13 10:53:14,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:53:14,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:14,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:16,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:16,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 310 [2020-10-13 10:53:16,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:16,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2194 [2020-10-13 10:53:16,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:16,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 62 [2020-10-13 10:53:16,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:53:16,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 294 [2020-10-13 10:53:16,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:18,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:53:18,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:18,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:18,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:18,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:53:18,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:18,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:18,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:18,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:53:18,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:18,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:53:18,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:18,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-13 10:53:18,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:18,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:18,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:18,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:18,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:18,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:18,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:18,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:18,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:18,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:18,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:18,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 10:53:18,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:18,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:18,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:18,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:18,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:18,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:18,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:18,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:18,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:18,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:18,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:18,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-13 10:53:18,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:18,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:18,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:18,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:18,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:18,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:18,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:18,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:18,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:18,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:18,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:18,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-13 10:53:18,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:18,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:18,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:18,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:18,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:18,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:18,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:18,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:18,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:18,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:18,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:18,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 10:53:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:18,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:18,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:18,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:18,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:18,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:18,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:18,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:18,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:18,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:18,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:18,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 10:53:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:18,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:18,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:18,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:18,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:18,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:18,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:18,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:18,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:18,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:18,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:18,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-13 10:53:18,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:18,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:18,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:18,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:18,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:18,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:18,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:18,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:18,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:18,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:18,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:18,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-13 10:53:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:18,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:18,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:18,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:18,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:18,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:18,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:18,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:18,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:18,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:18,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:18,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 10:53:18,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:18,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:18,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:18,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:18,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:18,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:18,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:18,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:18,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:18,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:18,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:18,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 10:53:18,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:18,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:18,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:18,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:18,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:18,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:18,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:18,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:18,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:18,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:18,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:18,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-13 10:53:18,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:18,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:18,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:18,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:18,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:18,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:18,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:18,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:18,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:18,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:18,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:18,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-13 10:53:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:18,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:18,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:18,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:18,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:18,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:18,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:18,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:18,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:18,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:18,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:18,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-13 10:53:18,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:18,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:18,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:18,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:18,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:18,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:18,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:18,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:18,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:18,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:18,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:18,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-13 10:53:18,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:18,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:18,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:18,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:18,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:18,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:18,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:18,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:18,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:18,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:18,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:18,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-13 10:53:18,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:18,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:18,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:18,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:18,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:18,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:18,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:18,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:18,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:18,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:18,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:18,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-13 10:53:18,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:18,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:18,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:18,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:18,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:18,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:18,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:18,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:18,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:18,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:18,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:18,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-13 10:53:18,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:18,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:18,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:18,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:18,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:18,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:18,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:18,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:18,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:18,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:18,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:18,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-13 10:53:18,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:18,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:18,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:18,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:18,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:18,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:18,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:18,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:18,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:18,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:18,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:18,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-13 10:53:18,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:18,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:18,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:18,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:18,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:18,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:18,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:18,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:18,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:18,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:18,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:18,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-13 10:53:18,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:18,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:18,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:18,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:18,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:18,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:18,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:18,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:18,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:18,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:18,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:18,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-13 10:53:18,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:18,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:18,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:18,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:18,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:18,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:18,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:18,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:18,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:18,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:18,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:18,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-10-13 10:53:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:18,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:18,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:18,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:18,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:18,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:18,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:18,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:18,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:18,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:18,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:18,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-10-13 10:53:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:18,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:18,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:18,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:18,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:18,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:18,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:18,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:18,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:18,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:18,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:18,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-10-13 10:53:18,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:18,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:18,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:18,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:18,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:18,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:18,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:18,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:18,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:18,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:18,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:18,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-13 10:53:18,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:18,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:18,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:18,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:18,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:18,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:18,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:18,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:18,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:18,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:18,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:18,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-13 10:53:18,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:18,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:18,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:18,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:18,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:18,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:18,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:18,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:18,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:18,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:18,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:18,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-13 10:53:18,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:18,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:18,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:18,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:18,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:18,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:18,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:18,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:18,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:18,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:18,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:18,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-10-13 10:53:18,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:18,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:18,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:18,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:18,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:18,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:18,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:18,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:18,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:18,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:18,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:18,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-10-13 10:53:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:18,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:18,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:18,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:18,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:18,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:18,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:18,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:18,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:18,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:18,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:18,315 INFO L134 CoverageAnalysis]: Checked inductivity of 3393 backedges. 1334 proven. 435 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2020-10-13 10:53:18,316 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [921679788] [2020-10-13 10:53:18,316 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:53:18,316 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63] total 63 [2020-10-13 10:53:18,316 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [460782651] [2020-10-13 10:53:18,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 63 states [2020-10-13 10:53:18,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:53:18,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2020-10-13 10:53:18,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=993, Invalid=2913, Unknown=0, NotChecked=0, Total=3906 [2020-10-13 10:53:18,317 INFO L87 Difference]: Start difference. First operand 247 states and 248 transitions. Second operand 63 states. [2020-10-13 10:53:20,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:53:20,086 INFO L93 Difference]: Finished difference Result 346 states and 377 transitions. [2020-10-13 10:53:20,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2020-10-13 10:53:20,087 INFO L78 Accepts]: Start accepts. Automaton has 63 states. Word has length 244 [2020-10-13 10:53:20,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:53:20,089 INFO L225 Difference]: With dead ends: 346 [2020-10-13 10:53:20,089 INFO L226 Difference]: Without dead ends: 248 [2020-10-13 10:53:20,091 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1334 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=2047, Invalid=6695, Unknown=0, NotChecked=0, Total=8742 [2020-10-13 10:53:20,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2020-10-13 10:53:20,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2020-10-13 10:53:20,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2020-10-13 10:53:20,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 249 transitions. [2020-10-13 10:53:20,104 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 249 transitions. Word has length 244 [2020-10-13 10:53:20,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:53:20,104 INFO L479 AbstractCegarLoop]: Abstraction has 248 states and 249 transitions. [2020-10-13 10:53:20,104 INFO L480 AbstractCegarLoop]: Interpolant automaton has 63 states. [2020-10-13 10:53:20,104 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 249 transitions. [2020-10-13 10:53:20,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-10-13 10:53:20,105 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:53:20,106 INFO L422 BasicCegarLoop]: trace histogram [30, 30, 30, 30, 29, 29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:53:20,106 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2020-10-13 10:53:20,106 INFO L427 AbstractCegarLoop]: === Iteration 60 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:53:20,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:53:20,106 INFO L82 PathProgramCache]: Analyzing trace with hash 1973706681, now seen corresponding path program 58 times [2020-10-13 10:53:20,106 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:53:20,107 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [383550496] [2020-10-13 10:53:20,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:53:20,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:20,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:22,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:22,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 311 [2020-10-13 10:53:22,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:22,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2208 [2020-10-13 10:53:22,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:22,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 63 [2020-10-13 10:53:22,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:53:22,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 300 [2020-10-13 10:53:22,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:23,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:53:23,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:23,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:23,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:23,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:53:23,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:23,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:23,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:23,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:53:23,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:23,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:53:23,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:23,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 10:53:23,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:23,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:23,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:23,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:23,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:23,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:23,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:23,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:23,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:23,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:23,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:23,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 10:53:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:23,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:23,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:23,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:23,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:23,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:23,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:23,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:23,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:23,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:23,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:23,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-13 10:53:23,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:23,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:23,062 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:23,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:23,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:23,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:23,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:23,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:23,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:23,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:23,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:23,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 10:53:23,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:23,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:23,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:23,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:23,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:23,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:23,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:23,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:23,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:23,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:23,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:23,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-13 10:53:23,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:23,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:23,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:23,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:23,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:23,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:23,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:23,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:23,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:23,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:23,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:23,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 10:53:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:23,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:23,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:23,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:23,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:23,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:23,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:23,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:23,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:23,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:23,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:23,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 10:53:23,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:23,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:23,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:23,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:23,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:23,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:23,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:23,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:23,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:23,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:23,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:23,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 10:53:23,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:23,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:23,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:23,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:23,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:23,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:23,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:23,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:23,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:23,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:23,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:23,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-13 10:53:23,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:23,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:23,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:23,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:23,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:23,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:23,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:23,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:23,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:23,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:23,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:23,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 10:53:23,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:23,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:23,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:23,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:23,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:23,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:23,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:23,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:23,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:23,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:23,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:23,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-13 10:53:23,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:23,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:23,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:23,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:23,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:23,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:23,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:23,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:23,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:23,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:23,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:23,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-13 10:53:23,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:23,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:23,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:23,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:23,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:23,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:23,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:23,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:23,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:23,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:23,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:23,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-13 10:53:23,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:23,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:23,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:23,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:23,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:23,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:23,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:23,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:23,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:23,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:23,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:23,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-13 10:53:23,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:23,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:23,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:23,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:23,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:23,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:23,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:23,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:23,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:23,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:23,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:23,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 10:53:23,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:23,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:23,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:23,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:23,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:23,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:23,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:23,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:23,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:23,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:23,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:23,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-13 10:53:23,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:23,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:23,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:23,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:23,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:23,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:23,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:23,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:23,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:23,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:23,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:23,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-13 10:53:23,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:23,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:23,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:23,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:23,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:23,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:23,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:23,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:23,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:23,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:23,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:23,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-13 10:53:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:23,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:23,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:23,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:23,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:23,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:23,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:23,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:23,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:23,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:23,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:23,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-13 10:53:23,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:23,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:23,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:23,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:23,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:23,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:23,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:23,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:23,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:23,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:23,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:23,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-13 10:53:23,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:23,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:23,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:23,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:23,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:23,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:23,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:23,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:23,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:23,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:23,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:23,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-13 10:53:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:23,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:23,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:23,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:23,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:23,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:23,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:23,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:23,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:23,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:23,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:23,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-13 10:53:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:23,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:23,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:23,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:23,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:23,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:23,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:23,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:23,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:23,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:23,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:23,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-13 10:53:23,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:23,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:23,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:23,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:23,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:23,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:23,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:23,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:23,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:23,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:23,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:23,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-13 10:53:23,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:23,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:23,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:23,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:23,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:23,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:23,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:23,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:23,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:23,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:23,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:23,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-10-13 10:53:23,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:23,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:23,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:23,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:23,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:23,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:23,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:23,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:23,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:23,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:23,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:23,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-13 10:53:23,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:23,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:23,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:23,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:23,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:23,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:23,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:23,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:23,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:23,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:23,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:23,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-13 10:53:23,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:23,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:23,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:23,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:23,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:23,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:23,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:23,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:23,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:23,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:23,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:23,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-13 10:53:23,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:23,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:23,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:23,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:23,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:23,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:23,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:23,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:23,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:23,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:23,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:23,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-13 10:53:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:23,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:23,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:23,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:23,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:23,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:23,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:23,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:23,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:23,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:23,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:23,169 INFO L134 CoverageAnalysis]: Checked inductivity of 3423 backedges. 523 proven. 1276 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2020-10-13 10:53:23,169 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [383550496] [2020-10-13 10:53:23,169 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:53:23,169 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2020-10-13 10:53:23,169 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346970407] [2020-10-13 10:53:23,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 35 states [2020-10-13 10:53:23,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:53:23,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2020-10-13 10:53:23,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=532, Invalid=658, Unknown=0, NotChecked=0, Total=1190 [2020-10-13 10:53:23,170 INFO L87 Difference]: Start difference. First operand 248 states and 249 transitions. Second operand 35 states. [2020-10-13 10:53:23,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:53:23,556 INFO L93 Difference]: Finished difference Result 261 states and 263 transitions. [2020-10-13 10:53:23,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-13 10:53:23,557 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 245 [2020-10-13 10:53:23,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:53:23,559 INFO L225 Difference]: With dead ends: 261 [2020-10-13 10:53:23,559 INFO L226 Difference]: Without dead ends: 259 [2020-10-13 10:53:23,560 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=536, Invalid=724, Unknown=0, NotChecked=0, Total=1260 [2020-10-13 10:53:23,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2020-10-13 10:53:23,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 255. [2020-10-13 10:53:23,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2020-10-13 10:53:23,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 256 transitions. [2020-10-13 10:53:23,573 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 256 transitions. Word has length 245 [2020-10-13 10:53:23,573 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:53:23,573 INFO L479 AbstractCegarLoop]: Abstraction has 255 states and 256 transitions. [2020-10-13 10:53:23,573 INFO L480 AbstractCegarLoop]: Interpolant automaton has 35 states. [2020-10-13 10:53:23,573 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 256 transitions. [2020-10-13 10:53:23,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2020-10-13 10:53:23,575 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:53:23,575 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 31, 30, 30, 30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:53:23,575 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2020-10-13 10:53:23,575 INFO L427 AbstractCegarLoop]: === Iteration 61 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:53:23,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:53:23,575 INFO L82 PathProgramCache]: Analyzing trace with hash 1050875057, now seen corresponding path program 59 times [2020-10-13 10:53:23,576 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:53:23,576 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [271576439] [2020-10-13 10:53:23,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:53:23,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:23,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:26,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:26,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 320 [2020-10-13 10:53:26,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:26,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2447 [2020-10-13 10:53:26,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:26,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 64 [2020-10-13 10:53:26,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:53:26,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 304 [2020-10-13 10:53:26,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:28,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:53:28,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:28,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:28,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:28,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:53:28,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:28,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:28,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:28,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:53:28,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:28,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:53:28,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:28,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-13 10:53:28,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:28,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:28,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:28,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:28,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:28,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:28,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:28,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:28,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:28,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:28,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:28,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 10:53:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:28,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:28,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:28,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:28,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:28,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:28,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:28,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:28,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:28,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:28,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:28,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-13 10:53:28,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:28,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:28,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:28,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:28,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:28,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:28,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:28,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:28,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:28,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:28,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:28,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 10:53:28,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:28,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:28,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:28,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:28,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:28,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:28,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:28,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:28,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:28,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:28,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:28,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-13 10:53:28,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:28,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:28,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:28,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:28,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:28,048 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:28,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:28,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:28,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:28,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:28,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:28,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 10:53:28,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:28,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:28,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:28,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:28,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:28,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:28,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:28,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:28,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:28,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:28,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:28,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 10:53:28,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:28,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:28,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:28,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:28,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:28,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:28,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:28,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:28,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:28,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:28,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:28,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 10:53:28,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:28,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:28,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:28,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:28,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:28,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:28,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:28,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:28,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:28,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:28,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:28,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-13 10:53:28,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:28,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:28,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:28,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:28,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:28,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:28,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:28,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:28,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:28,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:28,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:28,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 10:53:28,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:28,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:28,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:28,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:28,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:28,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:28,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:28,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:28,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:28,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:28,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:28,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-13 10:53:28,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:28,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:28,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:28,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:28,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:28,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:28,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:28,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:28,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:28,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:28,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:28,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-13 10:53:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:28,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:28,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:28,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:28,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:28,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:28,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:28,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:28,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:28,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:28,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:28,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-13 10:53:28,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:28,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:28,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:28,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:28,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:28,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:28,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:28,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:28,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:28,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:28,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:28,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-13 10:53:28,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:28,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:28,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:28,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:28,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:28,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:28,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:28,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:28,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:28,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:28,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:28,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 10:53:28,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:28,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:28,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:28,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:28,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:28,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:28,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:28,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:28,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:28,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:28,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:28,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-13 10:53:28,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:28,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:28,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:28,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:28,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:28,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:28,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:28,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:28,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:28,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:28,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:28,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-13 10:53:28,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:28,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:28,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:28,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:28,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:28,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:28,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:28,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:28,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:28,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:28,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:28,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-13 10:53:28,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:28,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:28,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:28,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:28,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:28,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:28,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:28,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:28,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:28,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:28,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:28,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-13 10:53:28,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:28,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:28,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:28,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:28,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:28,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:28,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:28,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:28,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:28,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:28,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:28,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-13 10:53:28,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:28,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:28,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:28,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:28,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:28,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:28,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:28,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:28,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:28,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:28,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:28,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-13 10:53:28,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:28,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:28,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:28,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:28,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:28,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:28,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:28,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:28,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:28,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:28,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:28,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-13 10:53:28,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:28,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:28,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:28,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:28,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:28,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:28,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:28,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:28,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:28,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:28,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:28,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-13 10:53:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:28,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:28,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:28,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:28,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:28,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:28,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:28,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:28,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:28,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:28,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:28,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-13 10:53:28,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:28,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:28,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:28,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:28,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:28,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:28,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:28,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:28,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:28,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:28,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:28,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-10-13 10:53:28,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:28,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:28,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:28,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:28,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:28,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:28,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:28,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:28,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:28,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:28,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:28,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-13 10:53:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:28,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:28,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:28,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:28,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:28,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:28,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:28,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:28,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:28,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:28,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:28,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-13 10:53:28,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:28,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:28,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:28,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:28,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:28,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:28,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:28,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:28,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:28,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:28,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:28,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-13 10:53:28,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:28,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:28,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:28,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:28,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:28,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:28,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:28,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:28,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:28,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:28,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:28,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-13 10:53:28,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:28,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:28,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:28,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:28,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:28,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:28,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:28,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:28,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:28,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:28,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:28,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-13 10:53:28,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:28,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:28,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:28,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:28,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:28,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:28,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:28,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:28,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:28,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:28,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:28,175 INFO L134 CoverageAnalysis]: Checked inductivity of 3630 backedges. 1425 proven. 465 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2020-10-13 10:53:28,176 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [271576439] [2020-10-13 10:53:28,176 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:53:28,176 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65] total 65 [2020-10-13 10:53:28,176 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438289549] [2020-10-13 10:53:28,176 INFO L459 AbstractCegarLoop]: Interpolant automaton has 65 states [2020-10-13 10:53:28,176 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:53:28,177 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2020-10-13 10:53:28,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1057, Invalid=3103, Unknown=0, NotChecked=0, Total=4160 [2020-10-13 10:53:28,177 INFO L87 Difference]: Start difference. First operand 255 states and 256 transitions. Second operand 65 states. [2020-10-13 10:53:31,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:53:31,284 INFO L93 Difference]: Finished difference Result 357 states and 389 transitions. [2020-10-13 10:53:31,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2020-10-13 10:53:31,288 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 252 [2020-10-13 10:53:31,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:53:31,290 INFO L225 Difference]: With dead ends: 357 [2020-10-13 10:53:31,290 INFO L226 Difference]: Without dead ends: 256 [2020-10-13 10:53:31,292 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1425 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=2177, Invalid=7135, Unknown=0, NotChecked=0, Total=9312 [2020-10-13 10:53:31,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2020-10-13 10:53:31,305 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2020-10-13 10:53:31,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2020-10-13 10:53:31,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 257 transitions. [2020-10-13 10:53:31,306 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 257 transitions. Word has length 252 [2020-10-13 10:53:31,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:53:31,306 INFO L479 AbstractCegarLoop]: Abstraction has 256 states and 257 transitions. [2020-10-13 10:53:31,306 INFO L480 AbstractCegarLoop]: Interpolant automaton has 65 states. [2020-10-13 10:53:31,306 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 257 transitions. [2020-10-13 10:53:31,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-10-13 10:53:31,309 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:53:31,309 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 31, 31, 30, 30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:53:31,309 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2020-10-13 10:53:31,309 INFO L427 AbstractCegarLoop]: === Iteration 62 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:53:31,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:53:31,310 INFO L82 PathProgramCache]: Analyzing trace with hash 689828216, now seen corresponding path program 60 times [2020-10-13 10:53:31,310 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:53:31,310 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [231481097] [2020-10-13 10:53:31,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:53:31,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:31,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:33,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:33,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 321 [2020-10-13 10:53:33,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:33,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2426 [2020-10-13 10:53:33,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:33,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 65 [2020-10-13 10:53:33,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:53:33,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 310 [2020-10-13 10:53:33,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:34,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:53:34,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:34,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:34,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:34,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:53:34,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:34,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:34,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:34,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:53:34,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:34,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:53:34,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:34,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 10:53:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:34,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:34,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:34,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:34,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:34,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:34,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:34,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:34,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:34,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:34,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:34,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 10:53:34,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:34,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:34,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:34,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:34,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:34,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:34,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:34,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:34,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:34,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:34,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:34,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-13 10:53:34,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:34,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:34,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:34,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:34,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:34,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:34,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:34,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:34,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:34,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:34,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:34,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 10:53:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:34,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:34,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:34,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:34,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:34,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:34,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:34,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:34,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:34,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:34,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:34,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-13 10:53:34,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:34,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:34,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:34,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:34,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:34,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:34,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:34,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:34,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:34,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:34,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:34,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-13 10:53:34,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:34,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:34,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:34,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:34,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:34,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:34,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:34,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:34,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:34,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:34,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:34,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 10:53:34,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:34,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:34,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:34,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:34,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:34,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:34,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:34,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:34,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:34,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:34,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:34,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-13 10:53:34,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:34,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:34,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:34,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:34,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:34,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:34,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:34,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:34,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:34,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:34,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:34,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-13 10:53:34,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:34,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:34,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:34,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:34,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:34,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:34,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:34,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:34,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:34,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:34,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:34,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-13 10:53:34,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:34,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:34,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:34,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:34,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:34,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:34,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:34,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:34,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:34,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:34,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:34,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 10:53:34,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:34,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:34,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:34,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:34,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:34,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:34,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:34,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:34,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:34,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:34,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:34,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-13 10:53:34,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:34,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:34,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:34,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:34,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:34,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:34,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:34,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:34,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:34,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:34,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:34,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-13 10:53:34,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:34,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:34,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:34,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:34,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:34,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:34,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:34,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:34,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:34,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:34,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:34,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-13 10:53:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:34,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:34,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:34,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:34,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:34,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:34,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:34,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:34,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:34,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:34,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:34,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-13 10:53:34,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:34,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:34,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:34,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:34,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:34,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:34,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:34,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:34,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:34,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:34,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:34,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-13 10:53:34,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:34,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:34,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:34,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:34,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:34,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:34,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:34,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:34,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:34,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:34,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:34,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-13 10:53:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:34,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:34,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:34,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:34,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:34,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:34,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:34,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:34,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:34,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:34,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:34,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-13 10:53:34,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:34,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:34,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:34,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:34,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:34,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:34,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:34,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:34,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:34,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:34,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:34,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-13 10:53:34,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:34,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:34,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:34,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:34,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:34,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:34,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:34,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:34,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:34,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:34,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:34,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-13 10:53:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:34,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:34,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:34,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:34,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:34,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:34,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:34,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:34,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:34,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:34,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:34,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-13 10:53:34,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:34,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:34,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:34,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:34,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:34,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:34,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:34,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:34,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:34,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:34,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:34,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-10-13 10:53:34,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:34,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:34,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:34,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:34,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:34,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:34,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:34,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:34,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:34,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:34,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:34,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-13 10:53:34,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:34,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:34,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:34,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:34,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:34,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:34,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:34,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:34,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:34,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:34,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:34,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-13 10:53:34,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:34,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:34,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:34,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:34,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:34,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:34,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:34,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:34,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:34,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:34,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:34,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-10-13 10:53:34,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:34,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:34,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:34,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:34,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:34,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:34,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:34,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:34,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:34,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:34,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:34,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-10-13 10:53:34,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:34,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:34,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:34,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:34,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:34,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:34,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:34,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:34,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:34,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:34,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:34,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-13 10:53:34,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:34,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:34,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:34,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:34,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:34,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:34,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:34,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:34,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:34,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:34,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:34,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-10-13 10:53:34,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:34,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:34,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:34,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:34,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:34,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:34,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:34,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:34,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:34,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:34,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:34,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2020-10-13 10:53:34,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:34,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:34,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:34,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:34,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:34,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:34,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:34,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:34,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:34,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:34,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:34,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-10-13 10:53:34,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:34,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:34,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:34,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:34,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:34,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:34,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:34,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:34,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:34,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:34,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:34,706 INFO L134 CoverageAnalysis]: Checked inductivity of 3661 backedges. 556 proven. 1365 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2020-10-13 10:53:34,706 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [231481097] [2020-10-13 10:53:34,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:53:34,707 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2020-10-13 10:53:34,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866745682] [2020-10-13 10:53:34,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 36 states [2020-10-13 10:53:34,707 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:53:34,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2020-10-13 10:53:34,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=565, Invalid=695, Unknown=0, NotChecked=0, Total=1260 [2020-10-13 10:53:34,708 INFO L87 Difference]: Start difference. First operand 256 states and 257 transitions. Second operand 36 states. [2020-10-13 10:53:35,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:53:35,108 INFO L93 Difference]: Finished difference Result 269 states and 271 transitions. [2020-10-13 10:53:35,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-13 10:53:35,112 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 253 [2020-10-13 10:53:35,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:53:35,113 INFO L225 Difference]: With dead ends: 269 [2020-10-13 10:53:35,113 INFO L226 Difference]: Without dead ends: 267 [2020-10-13 10:53:35,113 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=569, Invalid=763, Unknown=0, NotChecked=0, Total=1332 [2020-10-13 10:53:35,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2020-10-13 10:53:35,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 263. [2020-10-13 10:53:35,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2020-10-13 10:53:35,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 264 transitions. [2020-10-13 10:53:35,126 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 264 transitions. Word has length 253 [2020-10-13 10:53:35,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:53:35,126 INFO L479 AbstractCegarLoop]: Abstraction has 263 states and 264 transitions. [2020-10-13 10:53:35,126 INFO L480 AbstractCegarLoop]: Interpolant automaton has 36 states. [2020-10-13 10:53:35,127 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 264 transitions. [2020-10-13 10:53:35,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-10-13 10:53:35,128 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:53:35,128 INFO L422 BasicCegarLoop]: trace histogram [32, 32, 32, 31, 31, 31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:53:35,128 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2020-10-13 10:53:35,128 INFO L427 AbstractCegarLoop]: === Iteration 63 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:53:35,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:53:35,129 INFO L82 PathProgramCache]: Analyzing trace with hash 1819598354, now seen corresponding path program 61 times [2020-10-13 10:53:35,129 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:53:35,129 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [766081072] [2020-10-13 10:53:35,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:53:35,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:35,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:37,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:37,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 330 [2020-10-13 10:53:37,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:37,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2734 [2020-10-13 10:53:37,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:37,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 66 [2020-10-13 10:53:37,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:53:37,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 314 [2020-10-13 10:53:37,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:40,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:53:40,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:40,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:40,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:40,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:53:40,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:40,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:40,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:40,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:53:40,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:40,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:53:40,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:40,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-13 10:53:40,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:40,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:40,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:40,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:40,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:40,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:40,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:40,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:40,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:40,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:40,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:40,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-13 10:53:40,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:40,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:40,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:40,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:40,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:40,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:40,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:40,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:40,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:40,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:40,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:40,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-13 10:53:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:40,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:40,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:40,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:40,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:40,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:40,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:40,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:40,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:40,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:40,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:40,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-13 10:53:40,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:40,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:40,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:40,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:40,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:40,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:40,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:40,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:40,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:40,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:40,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:40,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-13 10:53:40,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:40,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:40,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:40,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:40,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:40,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:40,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:40,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:40,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:40,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:40,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:40,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-13 10:53:40,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:40,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:40,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:40,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:40,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:40,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:40,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:40,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:40,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:40,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:40,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:40,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-13 10:53:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:40,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:40,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:40,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:40,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:40,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:40,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:40,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:40,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:40,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:40,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:40,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-13 10:53:40,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:40,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:40,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:40,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:40,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:40,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:40,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:40,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:40,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:40,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:40,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:40,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-13 10:53:40,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:40,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:40,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:40,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:40,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:40,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:40,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:40,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:40,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:40,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:40,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:40,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-13 10:53:40,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:40,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:40,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:40,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:40,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:40,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:40,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:40,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:40,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:40,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:40,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:40,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-13 10:53:40,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:40,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:40,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:40,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:40,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:40,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:40,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:40,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:40,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:40,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:40,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:40,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-13 10:53:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:40,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:40,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:40,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:40,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:40,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:40,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:40,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:40,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:40,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:40,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:40,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-13 10:53:40,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:40,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:40,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:40,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:40,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:40,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:40,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:40,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:40,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:40,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:40,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:40,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-13 10:53:40,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:40,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:40,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:40,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:40,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:40,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:40,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:40,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:40,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:40,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:40,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:40,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-13 10:53:40,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:40,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:40,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:40,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:40,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:40,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:40,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:40,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:40,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:40,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:40,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:40,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-13 10:53:40,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:40,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:40,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:40,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:40,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:40,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:40,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:40,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:40,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:40,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:40,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:40,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-13 10:53:40,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:40,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:40,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:40,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:40,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:40,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:40,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:40,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:40,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:40,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:40,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:40,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-13 10:53:40,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:40,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:40,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:40,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:40,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:40,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:40,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:40,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:40,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:40,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:40,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:40,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-13 10:53:40,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:40,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:40,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:40,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:40,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:40,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:40,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:40,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:40,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:40,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:40,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:40,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-13 10:53:40,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:40,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:40,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:40,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:40,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:40,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:40,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:40,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:40,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:40,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:40,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:40,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-13 10:53:40,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:40,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:40,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:40,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:40,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:40,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:40,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:40,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:40,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:40,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:40,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:40,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-10-13 10:53:40,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:40,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:40,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:40,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:40,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:40,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:40,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:40,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:40,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:40,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:40,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:40,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-13 10:53:40,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:40,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:40,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:40,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:40,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:40,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:40,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:40,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:40,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:40,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:40,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:40,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-13 10:53:40,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:40,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:40,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:40,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:40,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:40,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:40,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:40,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:40,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:40,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:40,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:40,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-10-13 10:53:40,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:40,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:40,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:40,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:40,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:40,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:40,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:40,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:40,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:40,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:40,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:40,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-10-13 10:53:40,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:40,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:40,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:40,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:40,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:40,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:40,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:40,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:40,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:40,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:40,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:40,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-13 10:53:40,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:40,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:40,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:40,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:40,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:40,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:40,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:40,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:40,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:40,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:40,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:40,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-10-13 10:53:40,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:40,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:40,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:40,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:40,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:40,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:40,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:40,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:40,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:40,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:40,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:40,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2020-10-13 10:53:40,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:40,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:40,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:40,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:40,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:40,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:40,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:40,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:40,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:40,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:40,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:40,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-10-13 10:53:40,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:40,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:40,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:40,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:40,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:40,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:40,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:40,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:40,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:40,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:40,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:40,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-10-13 10:53:40,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:40,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:40,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:40,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:40,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:40,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:40,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:40,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:40,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:40,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:40,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:40,303 INFO L134 CoverageAnalysis]: Checked inductivity of 3875 backedges. 1519 proven. 496 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2020-10-13 10:53:40,303 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [766081072] [2020-10-13 10:53:40,303 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:53:40,304 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67] total 67 [2020-10-13 10:53:40,304 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004340927] [2020-10-13 10:53:40,304 INFO L459 AbstractCegarLoop]: Interpolant automaton has 67 states [2020-10-13 10:53:40,304 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:53:40,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2020-10-13 10:53:40,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1123, Invalid=3299, Unknown=0, NotChecked=0, Total=4422 [2020-10-13 10:53:40,305 INFO L87 Difference]: Start difference. First operand 263 states and 264 transitions. Second operand 67 states. [2020-10-13 10:53:42,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:53:42,414 INFO L93 Difference]: Finished difference Result 368 states and 401 transitions. [2020-10-13 10:53:42,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2020-10-13 10:53:42,415 INFO L78 Accepts]: Start accepts. Automaton has 67 states. Word has length 260 [2020-10-13 10:53:42,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:53:42,417 INFO L225 Difference]: With dead ends: 368 [2020-10-13 10:53:42,417 INFO L226 Difference]: Without dead ends: 264 [2020-10-13 10:53:42,418 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1519 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=2311, Invalid=7589, Unknown=0, NotChecked=0, Total=9900 [2020-10-13 10:53:42,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2020-10-13 10:53:42,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 264. [2020-10-13 10:53:42,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2020-10-13 10:53:42,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 265 transitions. [2020-10-13 10:53:42,427 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 265 transitions. Word has length 260 [2020-10-13 10:53:42,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:53:42,428 INFO L479 AbstractCegarLoop]: Abstraction has 264 states and 265 transitions. [2020-10-13 10:53:42,428 INFO L480 AbstractCegarLoop]: Interpolant automaton has 67 states. [2020-10-13 10:53:42,428 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 265 transitions. [2020-10-13 10:53:42,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2020-10-13 10:53:42,429 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:53:42,430 INFO L422 BasicCegarLoop]: trace histogram [32, 32, 32, 32, 31, 31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:53:42,430 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2020-10-13 10:53:42,430 INFO L427 AbstractCegarLoop]: === Iteration 64 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:53:42,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:53:42,430 INFO L82 PathProgramCache]: Analyzing trace with hash 1300628441, now seen corresponding path program 62 times [2020-10-13 10:53:42,431 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:53:42,431 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [969037882] [2020-10-13 10:53:42,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:53:42,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:42,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:45,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:45,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 331 [2020-10-13 10:53:45,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:45,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2736 [2020-10-13 10:53:45,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:45,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 67 [2020-10-13 10:53:45,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:53:45,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 320 [2020-10-13 10:53:45,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:46,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:53:46,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:46,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:46,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:46,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:53:46,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:46,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:46,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:46,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:53:46,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:46,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:53:46,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:46,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 10:53:46,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:46,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:46,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:46,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:46,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:46,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:46,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:46,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:46,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:46,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:46,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:46,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 10:53:46,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:46,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:46,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:46,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:46,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:46,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:46,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:46,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:46,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:46,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:46,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:46,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 10:53:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:46,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:46,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:46,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:46,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:46,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:46,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:46,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:46,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:46,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:46,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:46,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 10:53:46,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:46,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:46,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:46,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:46,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:46,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:46,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:46,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:46,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:46,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:46,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:46,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-13 10:53:46,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:46,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:46,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:46,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:46,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:46,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:46,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:46,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:46,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:46,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:46,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:46,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 10:53:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:46,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:46,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:46,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:46,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:46,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:46,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:46,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:46,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:46,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:46,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:46,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 10:53:46,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:46,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:46,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:46,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:46,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:46,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:46,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:46,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:46,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:46,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:46,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:46,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-13 10:53:46,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:46,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:46,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:46,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:46,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:46,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:46,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:46,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:46,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:46,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:46,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:46,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 10:53:46,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:46,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:46,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:46,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:46,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:46,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:46,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:46,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:46,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:46,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:46,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:46,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-13 10:53:46,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:46,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:46,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:46,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:46,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:46,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:46,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:46,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:46,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:46,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:46,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:46,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-13 10:53:46,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:46,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:46,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:46,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:46,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:46,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:46,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:46,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:46,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:46,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:46,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:46,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-13 10:53:46,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:46,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:46,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:46,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:46,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:46,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:46,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:46,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:46,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:46,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:46,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:46,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-13 10:53:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:46,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:46,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:46,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:46,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:46,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:46,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:46,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:46,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:46,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:46,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:46,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 10:53:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:46,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:46,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:46,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:46,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:46,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:46,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:46,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:46,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:46,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:46,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:46,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-13 10:53:46,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:46,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:46,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:46,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:46,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:46,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:46,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:46,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:46,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:46,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:46,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:46,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-13 10:53:46,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:46,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:46,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:46,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:46,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:46,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:46,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:46,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:46,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:46,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:46,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:46,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-13 10:53:46,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:46,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:46,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:46,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:46,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:46,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:46,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:46,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:46,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:46,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:46,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:46,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-13 10:53:46,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:46,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:46,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:46,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:46,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:46,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:46,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:46,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:46,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:46,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:46,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:46,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-13 10:53:46,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:46,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:46,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:46,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:46,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:46,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:46,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:46,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:46,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:46,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:46,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:46,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-13 10:53:46,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:46,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:46,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:46,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:46,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:46,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:46,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:46,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:46,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:46,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:46,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:46,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-13 10:53:46,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:46,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:46,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:46,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:46,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:46,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:46,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:46,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:46,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:46,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:46,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:46,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 10:53:46,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:46,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:46,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:46,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:46,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:46,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:46,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:46,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:46,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:46,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:46,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:46,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-13 10:53:46,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:46,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:46,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:46,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:46,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:46,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:46,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:46,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:46,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:46,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:46,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:46,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-13 10:53:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:46,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:46,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:46,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:46,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:46,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:46,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:46,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:46,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:46,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:46,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:46,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-13 10:53:46,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:46,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:46,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:46,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:46,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:46,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:46,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:46,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:46,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:46,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:46,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:46,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-13 10:53:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:46,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:46,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:46,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:46,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:46,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:46,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:46,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:46,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:46,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:46,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:46,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-13 10:53:46,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:46,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:46,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:46,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:46,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:46,133 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:46,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:46,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:46,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:46,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:46,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:46,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-13 10:53:46,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:46,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:46,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:46,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:46,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:46,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:46,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:46,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:46,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:46,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:46,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:46,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-10-13 10:53:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:46,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:46,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:46,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:46,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:46,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:46,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:46,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:46,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:46,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:46,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:46,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2020-10-13 10:53:46,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:46,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:46,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:46,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:46,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:46,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:46,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:46,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:46,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:46,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:46,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:46,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-10-13 10:53:46,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:46,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:46,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:46,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:46,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:46,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:46,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:46,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:46,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:46,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:46,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:46,180 INFO L134 CoverageAnalysis]: Checked inductivity of 3907 backedges. 590 proven. 1457 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2020-10-13 10:53:46,181 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [969037882] [2020-10-13 10:53:46,181 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:53:46,181 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2020-10-13 10:53:46,181 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [455713754] [2020-10-13 10:53:46,181 INFO L459 AbstractCegarLoop]: Interpolant automaton has 37 states [2020-10-13 10:53:46,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:53:46,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2020-10-13 10:53:46,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=599, Invalid=733, Unknown=0, NotChecked=0, Total=1332 [2020-10-13 10:53:46,182 INFO L87 Difference]: Start difference. First operand 264 states and 265 transitions. Second operand 37 states. [2020-10-13 10:53:46,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:53:46,614 INFO L93 Difference]: Finished difference Result 277 states and 279 transitions. [2020-10-13 10:53:46,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-13 10:53:46,615 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 261 [2020-10-13 10:53:46,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:53:46,617 INFO L225 Difference]: With dead ends: 277 [2020-10-13 10:53:46,617 INFO L226 Difference]: Without dead ends: 275 [2020-10-13 10:53:46,618 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=603, Invalid=803, Unknown=0, NotChecked=0, Total=1406 [2020-10-13 10:53:46,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2020-10-13 10:53:46,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 271. [2020-10-13 10:53:46,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2020-10-13 10:53:46,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 272 transitions. [2020-10-13 10:53:46,629 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 272 transitions. Word has length 261 [2020-10-13 10:53:46,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:53:46,630 INFO L479 AbstractCegarLoop]: Abstraction has 271 states and 272 transitions. [2020-10-13 10:53:46,633 INFO L480 AbstractCegarLoop]: Interpolant automaton has 37 states. [2020-10-13 10:53:46,633 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 272 transitions. [2020-10-13 10:53:46,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-10-13 10:53:46,635 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:53:46,635 INFO L422 BasicCegarLoop]: trace histogram [33, 33, 33, 32, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:53:46,635 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2020-10-13 10:53:46,635 INFO L427 AbstractCegarLoop]: === Iteration 65 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:53:46,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:53:46,636 INFO L82 PathProgramCache]: Analyzing trace with hash 881233041, now seen corresponding path program 63 times [2020-10-13 10:53:46,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:53:46,636 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [395889448] [2020-10-13 10:53:46,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:53:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:46,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:49,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:49,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 340 [2020-10-13 10:53:49,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:49,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2962 [2020-10-13 10:53:49,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:49,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 68 [2020-10-13 10:53:49,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:53:49,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 324 [2020-10-13 10:53:49,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:51,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:53:51,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:51,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:51,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:51,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:53:51,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:51,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:51,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:51,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:53:51,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:51,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:53:51,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:51,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-13 10:53:51,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:51,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:51,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:51,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:51,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:51,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:51,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:51,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:51,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:51,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:51,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:51,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-13 10:53:51,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:51,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:51,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:51,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:51,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:51,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:51,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:51,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:51,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:51,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:51,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:51,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-13 10:53:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:51,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:51,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:51,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:51,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:51,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:51,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:51,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:51,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:51,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:51,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:51,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-13 10:53:51,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:51,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:51,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:51,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:51,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:51,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:51,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:51,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:51,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:51,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:51,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:51,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-13 10:53:51,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:51,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:51,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:51,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:51,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:51,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:51,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:51,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:51,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:51,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:51,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:51,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-13 10:53:51,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:51,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:51,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:51,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:51,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:51,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:51,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:51,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:51,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:51,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:51,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:51,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-13 10:53:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:51,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:51,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:51,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:51,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:51,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:51,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:51,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:51,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:51,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:51,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:51,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-13 10:53:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:51,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:51,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:51,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:51,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:51,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:51,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:51,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:51,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:51,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:51,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:51,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-13 10:53:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:51,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:51,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:51,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:51,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:51,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:51,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:51,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:51,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:51,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:51,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:51,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-13 10:53:51,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:51,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:51,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:51,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:51,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:51,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:51,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:51,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:51,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:51,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:51,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:51,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-13 10:53:51,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:51,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:51,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:51,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:51,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:51,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:51,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:51,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:51,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:51,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:51,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:51,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-13 10:53:51,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:51,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:51,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:51,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:51,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:51,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:51,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:51,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:51,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:51,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:51,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:51,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-13 10:53:51,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:51,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:51,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:51,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:51,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:51,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:51,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:51,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:51,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:51,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:51,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:51,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-13 10:53:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:51,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:51,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:51,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:51,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:51,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:51,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:51,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:51,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:51,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:51,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:51,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-13 10:53:51,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:51,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:51,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:51,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:51,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:51,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:51,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:51,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:51,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:51,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:51,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:51,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-13 10:53:51,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:51,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:51,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:51,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:51,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:51,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:51,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:51,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:51,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:51,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:51,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:51,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-13 10:53:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:51,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:51,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:51,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:51,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:51,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:51,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:51,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:51,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:51,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:51,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:51,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-13 10:53:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:51,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:51,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:51,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:51,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:51,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:51,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:51,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:51,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:51,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:51,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:51,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-13 10:53:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:51,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:51,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:51,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:51,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:51,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:51,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:51,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:51,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:51,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:51,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:51,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-13 10:53:51,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:51,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:51,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:51,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:51,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:51,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:51,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:51,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:51,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:51,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:51,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:51,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-13 10:53:51,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:51,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:51,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:51,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:51,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:51,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:51,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:51,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:51,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:51,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:51,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:51,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-13 10:53:52,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:52,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:52,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:52,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:52,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:52,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:52,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:52,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:52,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:52,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:52,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:52,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-13 10:53:52,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:52,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:52,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:52,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:52,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:52,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:52,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:52,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:52,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:52,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:52,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:52,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-13 10:53:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:52,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:52,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:52,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:52,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:52,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:52,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:52,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:52,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:52,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:52,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:52,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-13 10:53:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:52,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:52,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:52,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:52,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:52,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:52,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:52,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:52,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:52,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:52,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:52,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-13 10:53:52,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:52,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:52,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:52,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:52,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:52,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:52,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:52,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:52,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:52,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:52,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:52,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-13 10:53:52,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:52,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:52,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:52,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:52,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:52,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:52,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:52,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:52,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:52,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:52,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:52,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-13 10:53:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:52,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:52,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:52,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:52,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:52,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:52,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:52,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:52,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:52,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:52,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:52,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-10-13 10:53:52,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:52,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:52,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:52,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:52,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:52,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:52,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:52,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:52,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:52,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:52,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:52,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2020-10-13 10:53:52,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:52,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:52,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:52,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:52,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:52,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:52,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:52,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:52,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:52,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:52,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:52,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-10-13 10:53:52,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:52,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:52,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:52,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:52,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:52,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:52,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:52,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:52,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:52,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:52,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:52,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-10-13 10:53:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:52,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:52,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:52,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:52,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:52,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:52,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:52,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:52,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:52,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:52,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:52,101 INFO L134 CoverageAnalysis]: Checked inductivity of 4128 backedges. 1616 proven. 528 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2020-10-13 10:53:52,101 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [395889448] [2020-10-13 10:53:52,101 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:53:52,101 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [69] total 69 [2020-10-13 10:53:52,101 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671671823] [2020-10-13 10:53:52,102 INFO L459 AbstractCegarLoop]: Interpolant automaton has 69 states [2020-10-13 10:53:52,102 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:53:52,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2020-10-13 10:53:52,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1191, Invalid=3501, Unknown=0, NotChecked=0, Total=4692 [2020-10-13 10:53:52,103 INFO L87 Difference]: Start difference. First operand 271 states and 272 transitions. Second operand 69 states. [2020-10-13 10:53:55,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:53:55,814 INFO L93 Difference]: Finished difference Result 379 states and 413 transitions. [2020-10-13 10:53:55,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2020-10-13 10:53:55,814 INFO L78 Accepts]: Start accepts. Automaton has 69 states. Word has length 268 [2020-10-13 10:53:55,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:53:55,816 INFO L225 Difference]: With dead ends: 379 [2020-10-13 10:53:55,816 INFO L226 Difference]: Without dead ends: 272 [2020-10-13 10:53:55,819 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1616 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=2449, Invalid=8057, Unknown=0, NotChecked=0, Total=10506 [2020-10-13 10:53:55,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2020-10-13 10:53:55,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 272. [2020-10-13 10:53:55,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-10-13 10:53:55,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 273 transitions. [2020-10-13 10:53:55,838 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 273 transitions. Word has length 268 [2020-10-13 10:53:55,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:53:55,838 INFO L479 AbstractCegarLoop]: Abstraction has 272 states and 273 transitions. [2020-10-13 10:53:55,839 INFO L480 AbstractCegarLoop]: Interpolant automaton has 69 states. [2020-10-13 10:53:55,839 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 273 transitions. [2020-10-13 10:53:55,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-10-13 10:53:55,841 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:53:55,841 INFO L422 BasicCegarLoop]: trace histogram [33, 33, 33, 33, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:53:55,841 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2020-10-13 10:53:55,841 INFO L427 AbstractCegarLoop]: === Iteration 66 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:53:55,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:53:55,842 INFO L82 PathProgramCache]: Analyzing trace with hash -1714095272, now seen corresponding path program 64 times [2020-10-13 10:53:55,842 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:53:55,842 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [653120770] [2020-10-13 10:53:55,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:53:55,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:55,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:58,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:58,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 341 [2020-10-13 10:53:58,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:58,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2806 [2020-10-13 10:53:58,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:58,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 69 [2020-10-13 10:53:58,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:53:58,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 330 [2020-10-13 10:53:58,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:59,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:53:59,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:59,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:59,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:59,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:53:59,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:59,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:59,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:59,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:53:59,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:59,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:53:59,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:59,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 10:53:59,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:59,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:59,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:59,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:59,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:59,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:59,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:59,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:59,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:59,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:59,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:59,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 10:53:59,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:59,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:59,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:59,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:59,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:59,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:59,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:59,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:59,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:59,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:59,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:59,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 10:53:59,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:59,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:59,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:59,592 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:59,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:59,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:59,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:59,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:59,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:59,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:59,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:59,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-13 10:53:59,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:59,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:59,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:59,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:59,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:59,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:59,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:59,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:59,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:59,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:59,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:59,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-13 10:53:59,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:59,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:59,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:59,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:59,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:59,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:59,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:59,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:59,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:59,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:59,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:59,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 10:53:59,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:59,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:59,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:59,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:59,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:59,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:59,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:59,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:59,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:59,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:59,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:59,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-13 10:53:59,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:59,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:59,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:59,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:59,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:59,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:59,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:59,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:59,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:59,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:59,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:59,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-13 10:53:59,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:59,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:59,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:59,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:59,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:59,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:59,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:59,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:59,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:59,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:59,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:59,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-13 10:53:59,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:59,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:59,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:59,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:59,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:59,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:59,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:59,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:59,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:59,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:59,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:59,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 10:53:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:59,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:59,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:59,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:59,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:59,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:59,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:59,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:59,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:59,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:59,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:59,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-13 10:53:59,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:59,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:59,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:59,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:59,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:59,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:59,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:59,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:59,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:59,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:59,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:59,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 10:53:59,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:59,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:59,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:59,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:59,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:59,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:59,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:59,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:59,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:59,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:59,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:59,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-13 10:53:59,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:59,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:59,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:59,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:59,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:59,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:59,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:59,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:59,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:59,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:59,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:59,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-13 10:53:59,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:59,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:59,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:59,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:59,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:59,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:59,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:59,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:59,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:59,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:59,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:59,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 10:53:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:59,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:59,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:59,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:59,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:59,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:59,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:59,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:59,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:59,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:59,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:59,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-13 10:53:59,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:59,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:59,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:59,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:59,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:59,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:59,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:59,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:59,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:59,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:59,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:59,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-13 10:53:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:59,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:59,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:59,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:59,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:59,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:59,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:59,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:59,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:59,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:59,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:59,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-13 10:53:59,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:59,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:59,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:59,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:59,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:59,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:59,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:59,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:59,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:59,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:59,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:59,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-13 10:53:59,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:59,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:59,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:59,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:59,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:59,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:59,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:59,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:59,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:59,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:59,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:59,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-13 10:53:59,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:59,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:59,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:59,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:59,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:59,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:59,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:59,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:59,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:59,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:59,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:59,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-13 10:53:59,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:59,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:59,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:59,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:59,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:59,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:59,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:59,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:59,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:59,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:59,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:59,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-10-13 10:53:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:59,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:59,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:59,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:59,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:59,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:59,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:59,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:59,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:59,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:59,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:59,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-13 10:53:59,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:59,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:59,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:59,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:59,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:59,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:59,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:59,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:59,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:59,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:59,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:59,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-13 10:53:59,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:59,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:59,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:59,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:59,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:59,666 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:59,666 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:59,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:59,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:59,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:59,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:59,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-13 10:53:59,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:59,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:59,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:59,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:59,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:59,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:59,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:59,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:59,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:59,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:59,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:59,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-10-13 10:53:59,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:59,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:59,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:59,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:59,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:59,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:59,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:59,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:59,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:59,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:59,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:59,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-10-13 10:53:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:59,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:59,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:59,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:59,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:59,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:53:59,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:59,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:59,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:59,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:59,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:59,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-10-13 10:53:59,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:59,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:59,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:59,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:59,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:59,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:59,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:59,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:59,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:59,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:59,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:59,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-10-13 10:53:59,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:59,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:59,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:59,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:59,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:59,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:59,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:59,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:59,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:59,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:59,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:59,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-10-13 10:53:59,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:59,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:59,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:59,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:59,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:59,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:59,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:59,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:59,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:59,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:59,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:59,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-10-13 10:53:59,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:59,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:59,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:59,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:59,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:59,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:59,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:59,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:59,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:59,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:59,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:59,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-10-13 10:53:59,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:53:59,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:53:59,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:53:59,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:53:59,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:53:59,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:53:59,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:53:59,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:53:59,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:53:59,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:53:59,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:53:59,727 INFO L134 CoverageAnalysis]: Checked inductivity of 4161 backedges. 625 proven. 1552 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2020-10-13 10:53:59,727 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [653120770] [2020-10-13 10:53:59,727 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:53:59,727 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2020-10-13 10:53:59,727 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476587373] [2020-10-13 10:53:59,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 38 states [2020-10-13 10:53:59,728 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:53:59,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2020-10-13 10:53:59,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=634, Invalid=772, Unknown=0, NotChecked=0, Total=1406 [2020-10-13 10:53:59,728 INFO L87 Difference]: Start difference. First operand 272 states and 273 transitions. Second operand 38 states. [2020-10-13 10:54:00,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:54:00,128 INFO L93 Difference]: Finished difference Result 285 states and 287 transitions. [2020-10-13 10:54:00,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-13 10:54:00,129 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 269 [2020-10-13 10:54:00,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:54:00,131 INFO L225 Difference]: With dead ends: 285 [2020-10-13 10:54:00,131 INFO L226 Difference]: Without dead ends: 283 [2020-10-13 10:54:00,132 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=638, Invalid=844, Unknown=0, NotChecked=0, Total=1482 [2020-10-13 10:54:00,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2020-10-13 10:54:00,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 279. [2020-10-13 10:54:00,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2020-10-13 10:54:00,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 280 transitions. [2020-10-13 10:54:00,144 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 280 transitions. Word has length 269 [2020-10-13 10:54:00,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:54:00,145 INFO L479 AbstractCegarLoop]: Abstraction has 279 states and 280 transitions. [2020-10-13 10:54:00,145 INFO L480 AbstractCegarLoop]: Interpolant automaton has 38 states. [2020-10-13 10:54:00,145 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 280 transitions. [2020-10-13 10:54:00,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2020-10-13 10:54:00,146 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:54:00,147 INFO L422 BasicCegarLoop]: trace histogram [34, 34, 34, 33, 33, 33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:54:00,147 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2020-10-13 10:54:00,147 INFO L427 AbstractCegarLoop]: === Iteration 67 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:54:00,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:54:00,147 INFO L82 PathProgramCache]: Analyzing trace with hash -545720270, now seen corresponding path program 65 times [2020-10-13 10:54:00,147 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:54:00,148 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1859489727] [2020-10-13 10:54:00,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:54:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:00,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:03,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:03,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 350 [2020-10-13 10:54:03,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:03,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3059 [2020-10-13 10:54:03,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:03,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 70 [2020-10-13 10:54:03,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:54:03,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 334 [2020-10-13 10:54:03,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:05,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:54:05,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:05,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:05,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:05,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:54:05,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:05,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:05,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:05,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:54:05,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:05,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:54:05,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:05,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-13 10:54:05,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:05,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:05,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:05,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:05,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:05,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:05,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:05,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:05,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:05,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:05,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:05,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-13 10:54:05,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:05,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:05,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:05,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:05,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:05,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:05,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:05,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:05,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:05,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:05,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:05,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-13 10:54:05,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:05,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:05,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:05,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:05,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:05,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:05,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:05,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:05,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:05,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:05,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:05,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-13 10:54:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:05,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:05,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:05,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:05,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:05,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:05,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:05,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:05,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:05,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:05,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:05,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-13 10:54:05,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:05,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:05,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:05,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:05,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:05,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:05,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:05,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:05,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:05,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:05,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:05,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-13 10:54:05,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:05,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:05,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:05,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:05,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:05,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:05,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:05,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:05,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:05,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:05,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:05,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-13 10:54:05,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:05,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:05,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:05,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:05,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:05,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:05,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:05,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:05,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:05,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:05,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:05,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-13 10:54:05,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:05,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:05,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:05,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:05,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:05,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:05,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:05,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:05,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:05,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:05,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:05,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-13 10:54:05,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:05,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:05,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:05,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:05,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:05,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:05,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:05,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:05,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:05,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:05,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:05,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-13 10:54:05,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:05,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:05,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:05,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:05,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:05,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:05,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:05,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:05,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:05,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:05,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:05,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-13 10:54:05,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:05,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:05,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:05,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:05,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:05,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:05,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:05,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:05,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:05,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:05,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:05,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-13 10:54:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:05,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:05,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:05,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:05,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:05,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:05,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:05,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:05,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:05,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:05,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:05,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-13 10:54:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:05,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:05,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:05,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:05,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:05,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:05,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:05,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:05,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:05,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:05,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:05,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-13 10:54:05,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:05,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:05,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:05,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:05,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:05,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:05,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:05,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:05,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:05,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:05,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:05,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-13 10:54:05,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:05,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:05,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:05,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:05,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:05,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:05,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:05,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:05,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:05,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:05,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:05,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-13 10:54:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:05,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:05,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:05,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:05,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:05,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:05,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:05,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:05,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:05,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:05,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:05,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-13 10:54:05,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:05,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:05,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:05,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:05,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:05,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:05,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:05,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:05,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:05,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:05,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:05,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-13 10:54:05,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:05,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:05,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:05,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:05,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:05,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:05,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:05,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:05,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:05,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:05,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:05,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-13 10:54:05,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:05,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:05,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:05,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:05,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:05,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:05,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:05,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:05,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:05,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:05,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:05,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-13 10:54:05,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:05,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:05,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:05,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:05,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:05,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:05,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:05,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:05,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:05,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:05,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:05,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-13 10:54:05,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:05,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:05,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:05,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:05,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:05,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:05,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:05,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:05,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:05,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:05,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:05,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-10-13 10:54:05,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:05,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:05,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:05,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:05,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:05,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:05,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:05,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:05,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:05,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:05,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:05,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-13 10:54:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:05,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:05,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:05,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:05,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:05,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:05,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:05,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:05,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:05,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:05,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:05,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-13 10:54:05,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:05,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:05,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:05,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:05,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:05,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:05,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:05,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:05,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:05,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:05,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:05,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-13 10:54:05,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:05,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:05,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:05,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:05,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:05,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:05,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:05,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:05,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:05,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:05,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:05,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-10-13 10:54:05,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:05,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:05,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:05,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:05,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:05,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:05,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:05,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:05,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:05,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:05,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:05,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-10-13 10:54:05,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:05,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:05,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:05,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:05,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:05,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:05,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:05,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:05,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:05,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:05,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:05,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-10-13 10:54:05,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:05,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:05,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:05,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:05,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:05,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:05,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:05,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:05,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:05,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:05,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:05,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-10-13 10:54:05,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:05,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:05,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:05,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:05,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:05,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:05,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:05,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:05,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:05,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:05,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:05,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-10-13 10:54:05,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:05,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:05,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:05,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:05,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:05,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:05,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:05,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:05,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:05,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:05,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:05,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-10-13 10:54:05,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:05,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:05,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:05,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:05,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:05,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:05,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:05,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:05,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:05,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:05,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:05,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-10-13 10:54:05,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:05,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:05,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:05,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:05,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:05,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:05,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:05,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:05,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:05,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:05,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:05,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2020-10-13 10:54:05,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:05,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:05,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:05,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:05,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:05,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:05,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:05,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:05,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:05,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:05,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:05,872 INFO L134 CoverageAnalysis]: Checked inductivity of 4389 backedges. 1716 proven. 561 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2020-10-13 10:54:05,873 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1859489727] [2020-10-13 10:54:05,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:54:05,873 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71] total 71 [2020-10-13 10:54:05,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [403582641] [2020-10-13 10:54:05,873 INFO L459 AbstractCegarLoop]: Interpolant automaton has 71 states [2020-10-13 10:54:05,873 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:54:05,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2020-10-13 10:54:05,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1261, Invalid=3709, Unknown=0, NotChecked=0, Total=4970 [2020-10-13 10:54:05,874 INFO L87 Difference]: Start difference. First operand 279 states and 280 transitions. Second operand 71 states. [2020-10-13 10:54:08,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:54:08,636 INFO L93 Difference]: Finished difference Result 390 states and 425 transitions. [2020-10-13 10:54:08,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2020-10-13 10:54:08,637 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 276 [2020-10-13 10:54:08,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:54:08,638 INFO L225 Difference]: With dead ends: 390 [2020-10-13 10:54:08,638 INFO L226 Difference]: Without dead ends: 280 [2020-10-13 10:54:08,640 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1716 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=2591, Invalid=8539, Unknown=0, NotChecked=0, Total=11130 [2020-10-13 10:54:08,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2020-10-13 10:54:08,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 280. [2020-10-13 10:54:08,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-10-13 10:54:08,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 281 transitions. [2020-10-13 10:54:08,650 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 281 transitions. Word has length 276 [2020-10-13 10:54:08,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:54:08,650 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 281 transitions. [2020-10-13 10:54:08,650 INFO L480 AbstractCegarLoop]: Interpolant automaton has 71 states. [2020-10-13 10:54:08,650 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 281 transitions. [2020-10-13 10:54:08,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-10-13 10:54:08,651 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:54:08,651 INFO L422 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 33, 33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:54:08,651 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2020-10-13 10:54:08,651 INFO L427 AbstractCegarLoop]: === Iteration 68 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:54:08,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:54:08,652 INFO L82 PathProgramCache]: Analyzing trace with hash -1079267335, now seen corresponding path program 66 times [2020-10-13 10:54:08,652 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:54:08,652 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [367459391] [2020-10-13 10:54:08,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:54:08,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:08,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:11,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:11,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 351 [2020-10-13 10:54:11,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:11,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3002 [2020-10-13 10:54:11,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:11,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 71 [2020-10-13 10:54:11,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:54:11,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 340 [2020-10-13 10:54:11,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:12,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:54:12,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:12,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:12,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:12,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:54:12,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:12,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:12,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:12,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:54:12,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:12,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:54:12,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:12,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 10:54:12,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:12,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:12,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:12,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:12,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:12,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:12,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:12,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:12,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:12,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:12,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:12,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-13 10:54:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:12,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:12,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:12,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:12,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:12,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:12,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:12,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:12,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:12,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:12,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:12,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 10:54:12,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:12,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:12,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:12,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:12,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:12,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:12,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:12,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:12,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:12,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:12,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:12,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-13 10:54:12,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:12,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:12,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:12,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:12,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:12,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:12,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:12,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:12,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:12,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:12,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:12,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-13 10:54:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:12,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:12,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:12,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:12,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:12,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:12,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:12,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:12,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:12,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:12,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:12,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 10:54:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:12,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:12,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:12,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:12,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:12,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:12,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:12,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:12,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:12,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:12,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:12,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-13 10:54:12,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:12,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:12,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:12,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:12,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:12,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:12,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:12,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:12,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:12,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:12,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:12,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 10:54:12,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:12,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:12,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:12,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:12,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:12,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:12,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:12,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:12,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:12,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:12,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:12,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-13 10:54:12,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:12,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:12,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:12,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:12,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:12,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:12,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:12,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:12,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:12,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:12,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:12,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 10:54:12,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:12,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:12,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:12,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:12,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:12,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:12,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:12,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:12,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:12,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:12,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:12,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-13 10:54:12,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:12,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:12,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:12,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:12,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:12,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:12,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:12,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:12,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:12,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:12,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:12,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-13 10:54:12,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:12,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:12,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:12,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:12,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:12,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:12,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:12,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:12,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:12,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:12,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:12,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-13 10:54:12,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:12,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:12,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:12,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:12,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:12,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:12,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:12,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:12,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:12,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:12,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:12,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 10:54:12,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:12,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:12,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:12,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:12,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:12,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:12,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:12,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:12,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:12,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:12,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:12,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-13 10:54:12,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:12,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:12,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:12,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:12,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:12,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:12,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:12,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:12,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:12,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:12,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:12,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-13 10:54:12,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:12,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:12,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:12,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:12,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:12,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:12,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:12,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:12,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:12,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:12,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:12,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-13 10:54:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:12,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:12,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:12,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:12,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:12,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:12,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:12,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:12,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:12,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:12,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:12,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-13 10:54:12,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:12,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:12,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:12,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:12,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:12,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:12,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:12,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:12,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:12,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:12,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:12,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-13 10:54:12,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:12,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:12,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:12,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:12,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:12,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:12,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:12,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:12,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:12,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:12,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:12,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-13 10:54:12,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:12,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:12,671 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:12,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:12,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:12,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:12,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:12,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:12,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:12,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:12,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:12,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-13 10:54:12,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:12,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:12,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:12,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:12,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:12,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:12,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:12,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:12,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:12,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:12,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:12,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-13 10:54:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:12,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:12,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:12,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:12,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:12,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:12,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:12,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:12,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:12,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:12,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:12,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-10-13 10:54:12,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:12,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:12,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:12,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:12,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:12,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:12,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:12,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:12,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:12,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:12,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:12,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-13 10:54:12,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:12,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:12,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:12,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:12,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:12,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:12,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:12,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:12,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:12,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:12,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:12,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-13 10:54:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:12,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:12,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:12,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:12,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:12,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:12,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:12,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:12,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:12,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:12,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:12,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-10-13 10:54:12,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:12,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:12,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:12,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:12,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:12,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:12,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:12,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:12,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:12,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:12,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:12,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-10-13 10:54:12,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:12,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:12,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:12,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:12,694 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:12,694 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:12,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:12,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:12,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:12,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:12,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:12,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-13 10:54:12,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:12,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:12,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:12,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:12,697 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:12,697 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:12,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:12,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:12,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:12,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:12,698 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:12,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2020-10-13 10:54:12,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:12,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:12,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:12,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:12,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:12,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:12,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:12,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:12,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:12,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:12,701 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:12,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-10-13 10:54:12,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:12,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:12,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:12,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:12,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:12,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:12,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:12,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:12,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:12,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:12,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:12,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2020-10-13 10:54:12,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:12,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:12,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:12,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:12,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:12,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:12,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:12,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:12,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:12,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:12,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:12,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2020-10-13 10:54:12,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:12,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:12,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:12,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:12,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:12,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:12,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:12,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:12,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:12,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:12,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:12,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-10-13 10:54:12,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:12,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:12,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:12,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:12,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:12,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:12,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:12,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:12,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:12,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:12,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:12,748 INFO L134 CoverageAnalysis]: Checked inductivity of 4423 backedges. 661 proven. 1650 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2020-10-13 10:54:12,748 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [367459391] [2020-10-13 10:54:12,748 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:54:12,749 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2020-10-13 10:54:12,749 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822885833] [2020-10-13 10:54:12,749 INFO L459 AbstractCegarLoop]: Interpolant automaton has 39 states [2020-10-13 10:54:12,749 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:54:12,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2020-10-13 10:54:12,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=670, Invalid=812, Unknown=0, NotChecked=0, Total=1482 [2020-10-13 10:54:12,750 INFO L87 Difference]: Start difference. First operand 280 states and 281 transitions. Second operand 39 states. [2020-10-13 10:54:13,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:54:13,164 INFO L93 Difference]: Finished difference Result 293 states and 295 transitions. [2020-10-13 10:54:13,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-13 10:54:13,165 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 277 [2020-10-13 10:54:13,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:54:13,166 INFO L225 Difference]: With dead ends: 293 [2020-10-13 10:54:13,166 INFO L226 Difference]: Without dead ends: 291 [2020-10-13 10:54:13,166 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=674, Invalid=886, Unknown=0, NotChecked=0, Total=1560 [2020-10-13 10:54:13,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2020-10-13 10:54:13,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 287. [2020-10-13 10:54:13,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2020-10-13 10:54:13,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 288 transitions. [2020-10-13 10:54:13,180 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 288 transitions. Word has length 277 [2020-10-13 10:54:13,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:54:13,180 INFO L479 AbstractCegarLoop]: Abstraction has 287 states and 288 transitions. [2020-10-13 10:54:13,180 INFO L480 AbstractCegarLoop]: Interpolant automaton has 39 states. [2020-10-13 10:54:13,180 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 288 transitions. [2020-10-13 10:54:13,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-10-13 10:54:13,181 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:54:13,182 INFO L422 BasicCegarLoop]: trace histogram [35, 35, 35, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:54:13,182 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2020-10-13 10:54:13,182 INFO L427 AbstractCegarLoop]: === Iteration 69 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:54:13,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:54:13,182 INFO L82 PathProgramCache]: Analyzing trace with hash 1158478961, now seen corresponding path program 67 times [2020-10-13 10:54:13,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:54:13,182 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1799785666] [2020-10-13 10:54:13,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:54:13,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:13,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:16,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:16,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 360 [2020-10-13 10:54:16,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:16,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3292 [2020-10-13 10:54:16,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:16,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 72 [2020-10-13 10:54:16,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:54:16,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 344 [2020-10-13 10:54:16,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:19,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:54:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:19,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:19,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:19,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:54:19,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:19,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:19,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:19,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:54:19,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:19,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:54:19,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:19,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-13 10:54:19,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:19,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:19,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:19,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:19,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:19,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:19,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:19,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:19,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:19,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:19,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:19,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-13 10:54:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:19,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:19,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:19,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:19,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:19,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:19,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:19,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:19,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:19,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:19,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:19,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-13 10:54:19,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:19,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:19,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:19,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:19,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:19,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:19,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:19,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:19,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:19,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:19,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:19,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-13 10:54:19,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:19,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:19,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:19,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:19,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:19,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:19,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:19,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:19,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:19,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:19,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:19,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-13 10:54:19,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:19,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:19,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:19,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:19,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:19,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:19,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:19,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:19,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:19,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:19,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:19,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-13 10:54:19,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:19,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:19,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:19,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:19,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:19,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:19,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:19,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:19,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:19,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:19,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:19,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-13 10:54:19,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:19,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:19,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:19,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:19,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:19,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:19,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:19,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:19,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:19,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:19,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:19,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-13 10:54:19,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:19,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:19,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:19,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:19,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:19,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:19,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:19,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:19,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:19,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:19,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:19,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-13 10:54:19,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:19,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:19,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:19,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:19,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:19,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:19,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:19,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:19,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:19,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:19,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:19,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-13 10:54:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:19,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:19,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:19,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:19,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:19,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:19,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:19,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:19,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:19,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:19,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:19,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-13 10:54:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:19,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:19,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:19,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:19,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:19,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:19,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:19,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:19,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:19,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:19,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:19,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-13 10:54:19,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:19,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:19,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:19,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:19,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:19,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:19,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:19,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:19,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:19,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:19,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:19,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-13 10:54:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:19,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:19,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:19,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:19,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:19,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:19,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:19,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:19,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:19,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:19,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:19,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-13 10:54:19,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:19,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:19,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:19,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:19,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:19,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:19,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:19,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:19,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:19,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:19,168 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:19,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-13 10:54:19,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:19,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:19,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:19,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:19,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:19,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:19,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:19,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:19,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:19,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:19,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:19,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-13 10:54:19,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:19,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:19,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:19,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:19,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:19,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:19,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:19,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:19,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:19,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:19,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:19,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-13 10:54:19,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:19,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:19,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:19,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:19,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:19,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:19,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:19,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:19,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:19,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:19,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:19,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-13 10:54:19,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:19,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:19,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:19,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:19,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:19,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:19,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:19,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:19,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:19,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:19,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:19,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-13 10:54:19,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:19,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:19,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:19,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:19,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:19,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:19,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:19,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:19,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:19,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:19,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:19,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-13 10:54:19,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:19,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:19,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:19,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:19,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:19,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:19,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:19,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:19,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:19,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:19,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:19,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-13 10:54:19,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:19,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:19,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:19,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:19,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:19,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:19,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:19,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:19,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:19,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:19,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:19,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-13 10:54:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:19,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:19,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:19,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:19,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:19,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:19,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:19,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:19,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:19,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:19,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:19,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-10-13 10:54:19,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:19,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:19,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:19,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:19,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:19,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:19,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:19,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:19,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:19,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:19,200 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:19,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-13 10:54:19,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:19,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:19,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:19,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:19,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:19,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:19,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:19,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:19,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:19,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:19,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:19,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-13 10:54:19,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:19,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:19,206 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:19,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:19,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:19,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:19,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:19,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:19,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:19,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:19,207 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:19,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-10-13 10:54:19,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:19,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:19,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:19,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:19,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:19,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:19,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:19,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:19,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:19,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:19,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:19,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-10-13 10:54:19,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:19,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:19,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:19,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:19,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:19,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:19,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:19,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:19,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:19,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:19,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:19,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-13 10:54:19,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:19,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:19,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:19,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:19,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:19,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:19,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:19,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:19,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:19,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:19,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:19,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2020-10-13 10:54:19,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:19,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:19,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:19,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:19,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:19,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:19,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:19,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:19,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:19,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:19,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:19,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-10-13 10:54:19,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:19,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:19,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:19,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:19,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:19,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:19,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:19,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:19,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:19,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:19,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:19,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2020-10-13 10:54:19,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:19,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:19,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:19,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:19,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:19,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:19,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:19,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:19,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:19,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:19,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:19,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2020-10-13 10:54:19,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:19,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:19,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:19,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:19,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:19,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:19,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:19,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:19,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:19,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:19,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:19,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-10-13 10:54:19,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:19,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:19,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:19,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:19,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:19,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:19,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:19,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:19,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:19,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:19,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:19,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2020-10-13 10:54:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:19,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:19,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:19,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:19,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:19,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:19,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:19,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:19,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:19,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:19,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:19,331 INFO L134 CoverageAnalysis]: Checked inductivity of 4658 backedges. 1819 proven. 595 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2020-10-13 10:54:19,331 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1799785666] [2020-10-13 10:54:19,332 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:54:19,332 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [73] total 73 [2020-10-13 10:54:19,332 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789794583] [2020-10-13 10:54:19,333 INFO L459 AbstractCegarLoop]: Interpolant automaton has 73 states [2020-10-13 10:54:19,333 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:54:19,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2020-10-13 10:54:19,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1333, Invalid=3923, Unknown=0, NotChecked=0, Total=5256 [2020-10-13 10:54:19,335 INFO L87 Difference]: Start difference. First operand 287 states and 288 transitions. Second operand 73 states. [2020-10-13 10:54:23,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:54:23,905 INFO L93 Difference]: Finished difference Result 401 states and 437 transitions. [2020-10-13 10:54:23,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2020-10-13 10:54:23,906 INFO L78 Accepts]: Start accepts. Automaton has 73 states. Word has length 284 [2020-10-13 10:54:23,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:54:23,907 INFO L225 Difference]: With dead ends: 401 [2020-10-13 10:54:23,907 INFO L226 Difference]: Without dead ends: 288 [2020-10-13 10:54:23,909 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1819 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=2737, Invalid=9035, Unknown=0, NotChecked=0, Total=11772 [2020-10-13 10:54:23,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2020-10-13 10:54:23,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2020-10-13 10:54:23,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2020-10-13 10:54:23,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 289 transitions. [2020-10-13 10:54:23,923 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 289 transitions. Word has length 284 [2020-10-13 10:54:23,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:54:23,923 INFO L479 AbstractCegarLoop]: Abstraction has 288 states and 289 transitions. [2020-10-13 10:54:23,923 INFO L480 AbstractCegarLoop]: Interpolant automaton has 73 states. [2020-10-13 10:54:23,923 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 289 transitions. [2020-10-13 10:54:23,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2020-10-13 10:54:23,925 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:54:23,925 INFO L422 BasicCegarLoop]: trace histogram [35, 35, 35, 35, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:54:23,926 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2020-10-13 10:54:23,926 INFO L427 AbstractCegarLoop]: === Iteration 70 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:54:23,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:54:23,926 INFO L82 PathProgramCache]: Analyzing trace with hash -3474120, now seen corresponding path program 68 times [2020-10-13 10:54:23,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:54:23,926 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [122266957] [2020-10-13 10:54:23,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:54:23,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:24,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:27,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:27,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 361 [2020-10-13 10:54:27,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:27,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3292 [2020-10-13 10:54:27,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:27,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 73 [2020-10-13 10:54:27,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:54:27,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 350 [2020-10-13 10:54:27,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:28,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:54:28,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:28,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:28,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:28,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:54:28,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:28,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:28,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:28,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:54:28,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:28,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:54:28,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:28,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-13 10:54:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:28,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:28,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:28,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:28,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:28,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:28,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:28,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:28,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:28,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:28,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:28,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 10:54:28,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:28,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:28,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:28,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:28,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:28,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:28,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:28,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:28,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:28,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:28,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:28,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 10:54:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:28,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:28,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:28,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:28,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:28,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:28,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:28,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:28,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:28,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:28,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:28,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 10:54:28,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:28,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:28,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:28,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:28,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:28,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:28,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:28,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:28,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:28,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:28,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:28,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-13 10:54:28,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:28,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:28,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:28,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:28,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:28,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:28,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:28,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:28,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:28,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:28,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:28,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 10:54:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:28,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:28,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:28,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:28,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:28,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:28,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:28,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:28,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:28,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:28,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:28,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-13 10:54:28,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:28,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:28,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:28,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:28,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:28,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:28,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:28,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:28,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:28,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:28,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:28,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-13 10:54:28,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:28,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:28,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:28,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:28,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:28,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:28,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:28,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:28,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:28,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:28,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:28,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 10:54:28,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:28,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:28,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:28,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:28,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:28,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:28,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:28,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:28,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:28,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:28,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:28,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-13 10:54:28,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:28,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:28,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:28,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:28,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:28,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:28,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:28,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:28,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:28,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:28,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:28,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-13 10:54:28,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:28,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:28,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:28,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:28,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:28,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:28,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:28,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:28,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:28,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:28,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:28,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-13 10:54:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:28,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:28,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:28,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:28,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:28,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:28,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:28,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:28,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:28,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:28,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:28,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-13 10:54:28,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:28,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:28,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:28,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:28,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:28,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:28,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:28,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:28,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:28,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:28,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:28,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-13 10:54:28,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:28,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:28,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:28,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:28,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:28,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:28,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:28,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:28,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:28,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:28,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:28,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-13 10:54:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:28,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:28,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:28,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:28,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:28,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:28,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:28,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:28,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:28,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:28,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:28,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-13 10:54:28,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:28,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:28,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:28,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:28,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:28,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:28,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:28,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:28,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:28,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:28,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:28,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-13 10:54:28,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:28,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:28,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:28,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:28,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:28,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:28,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:28,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:28,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:28,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:28,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:28,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-13 10:54:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:28,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:28,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:28,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:28,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:28,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:28,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:28,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:28,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:28,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:28,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:28,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-13 10:54:28,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:28,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:28,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:28,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:28,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:28,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:28,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:28,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:28,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:28,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:28,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:28,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-13 10:54:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:28,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:28,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:28,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:28,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:28,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:28,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:28,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:28,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:28,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:28,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:28,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-10-13 10:54:28,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:28,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:28,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:28,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:28,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:28,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:28,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:28,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:28,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:28,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:28,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:28,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-13 10:54:28,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:28,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:28,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:28,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:28,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:28,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:28,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:28,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:28,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:28,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:28,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:28,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-13 10:54:28,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:28,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:28,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:28,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:28,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:28,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:28,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:28,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:28,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:28,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:28,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:28,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-13 10:54:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:28,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:28,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:28,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:28,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:28,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:28,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:28,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:28,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:28,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:28,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:28,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-10-13 10:54:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:28,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:28,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:28,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:28,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:28,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:28,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:28,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:28,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:28,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:28,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:28,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-10-13 10:54:28,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:28,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:28,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:28,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:28,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:28,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:28,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:28,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:28,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:28,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:28,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:28,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-10-13 10:54:28,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:28,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:28,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:28,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:28,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:28,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:28,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:28,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:28,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:28,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:28,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:28,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-10-13 10:54:28,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:28,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:28,374 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:28,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:28,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:28,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:28,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:28,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:28,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:28,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:28,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:28,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-10-13 10:54:28,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:28,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:28,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:28,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:28,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:28,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:28,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:28,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:28,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:28,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:28,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:28,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-10-13 10:54:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:28,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:28,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:28,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:28,385 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:28,385 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:28,385 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:28,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:28,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:28,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:28,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:28,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-10-13 10:54:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:28,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:28,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:28,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:28,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:28,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:28,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:28,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:28,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:28,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:28,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:28,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2020-10-13 10:54:28,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:28,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:28,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:28,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:28,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:28,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:28,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:28,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:28,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:28,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:28,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:28,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-10-13 10:54:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:28,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:28,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:28,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:28,400 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:28,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:28,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:28,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:28,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:28,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:28,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:28,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2020-10-13 10:54:28,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:28,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:28,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:28,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:28,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:28,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:28,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:28,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:28,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:28,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:28,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:28,442 INFO L134 CoverageAnalysis]: Checked inductivity of 4693 backedges. 698 proven. 1751 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2020-10-13 10:54:28,442 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [122266957] [2020-10-13 10:54:28,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:54:28,443 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2020-10-13 10:54:28,443 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1487431414] [2020-10-13 10:54:28,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 40 states [2020-10-13 10:54:28,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:54:28,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2020-10-13 10:54:28,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=707, Invalid=853, Unknown=0, NotChecked=0, Total=1560 [2020-10-13 10:54:28,444 INFO L87 Difference]: Start difference. First operand 288 states and 289 transitions. Second operand 40 states. [2020-10-13 10:54:28,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:54:28,906 INFO L93 Difference]: Finished difference Result 301 states and 303 transitions. [2020-10-13 10:54:28,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-13 10:54:28,907 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 285 [2020-10-13 10:54:28,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:54:28,909 INFO L225 Difference]: With dead ends: 301 [2020-10-13 10:54:28,909 INFO L226 Difference]: Without dead ends: 299 [2020-10-13 10:54:28,909 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=711, Invalid=929, Unknown=0, NotChecked=0, Total=1640 [2020-10-13 10:54:28,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2020-10-13 10:54:28,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 295. [2020-10-13 10:54:28,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2020-10-13 10:54:28,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 296 transitions. [2020-10-13 10:54:28,923 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 296 transitions. Word has length 285 [2020-10-13 10:54:28,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:54:28,924 INFO L479 AbstractCegarLoop]: Abstraction has 295 states and 296 transitions. [2020-10-13 10:54:28,924 INFO L480 AbstractCegarLoop]: Interpolant automaton has 40 states. [2020-10-13 10:54:28,924 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 296 transitions. [2020-10-13 10:54:28,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2020-10-13 10:54:28,926 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:54:28,926 INFO L422 BasicCegarLoop]: trace histogram [36, 36, 36, 35, 35, 35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:54:28,926 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2020-10-13 10:54:28,926 INFO L427 AbstractCegarLoop]: === Iteration 71 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:54:28,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:54:28,927 INFO L82 PathProgramCache]: Analyzing trace with hash -1091102126, now seen corresponding path program 69 times [2020-10-13 10:54:28,927 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:54:28,927 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [994818890] [2020-10-13 10:54:28,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:54:28,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:29,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:32,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:32,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 370 [2020-10-13 10:54:32,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:32,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3476 [2020-10-13 10:54:32,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:32,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 74 [2020-10-13 10:54:32,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:54:32,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 354 [2020-10-13 10:54:32,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:35,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:54:35,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:35,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:35,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:35,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:54:35,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:35,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:35,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:35,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:54:35,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:35,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:54:35,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:35,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-13 10:54:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:35,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:35,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:35,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:35,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:35,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:35,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:35,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:35,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:35,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:35,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:35,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-13 10:54:35,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:35,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:35,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:35,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:35,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:35,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:35,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:35,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:35,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:35,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:35,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:35,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-13 10:54:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:35,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:35,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:35,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:35,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:35,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:35,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:35,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:35,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:35,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:35,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:35,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-13 10:54:35,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:35,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:35,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:35,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:35,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:35,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:35,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:35,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:35,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:35,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:35,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:35,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-13 10:54:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:35,239 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:35,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:35,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:35,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:35,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:35,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:35,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:35,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:35,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:35,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:35,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-13 10:54:35,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:35,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:35,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:35,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:35,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:35,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:35,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:35,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:35,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:35,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:35,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:35,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-13 10:54:35,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:35,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:35,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:35,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:35,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:35,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:35,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:35,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:35,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:35,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:35,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:35,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-13 10:54:35,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:35,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:35,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:35,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:35,249 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:35,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:35,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:35,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:35,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:35,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:35,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:35,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-13 10:54:35,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:35,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:35,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:35,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:35,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:35,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:35,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:35,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:35,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:35,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:35,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:35,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-13 10:54:35,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:35,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:35,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:35,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:35,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:35,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:35,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:35,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:35,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:35,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:35,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:35,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-13 10:54:35,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:35,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:35,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:35,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:35,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:35,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:35,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:35,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:35,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:35,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:35,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:35,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-13 10:54:35,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:35,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:35,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:35,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:35,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:35,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:35,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:35,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:35,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:35,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:35,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:35,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-13 10:54:35,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:35,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:35,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:35,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:35,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:35,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:35,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:35,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:35,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:35,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:35,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:35,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-13 10:54:35,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:35,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:35,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:35,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:35,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:35,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:35,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:35,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:35,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:35,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:35,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:35,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-13 10:54:35,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:35,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:35,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:35,270 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:35,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:35,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:35,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:35,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:35,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:35,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:35,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:35,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-13 10:54:35,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:35,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:35,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:35,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:35,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:35,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:35,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:35,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:35,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:35,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:35,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:35,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-13 10:54:35,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:35,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:35,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:35,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:35,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:35,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:35,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:35,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:35,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:35,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:35,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:35,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-13 10:54:35,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:35,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:35,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:35,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:35,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:35,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:35,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:35,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:35,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:35,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:35,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:35,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-13 10:54:35,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:35,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:35,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:35,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:35,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:35,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:35,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:35,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:35,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:35,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:35,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:35,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-13 10:54:35,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:35,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:35,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:35,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:35,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:35,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:35,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:35,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:35,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:35,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:35,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:35,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-10-13 10:54:35,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:35,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:35,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:35,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:35,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:35,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:35,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:35,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:35,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:35,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:35,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:35,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-13 10:54:35,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:35,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:35,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:35,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:35,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:35,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:35,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:35,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:35,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:35,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:35,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:35,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-13 10:54:35,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:35,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:35,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:35,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:35,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:35,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:35,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:35,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:35,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:35,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:35,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:35,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-13 10:54:35,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:35,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:35,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:35,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:35,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:35,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:35,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:35,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:35,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:35,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:35,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:35,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-10-13 10:54:35,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:35,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:35,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:35,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:35,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:35,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:35,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:35,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:35,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:35,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:35,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:35,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-10-13 10:54:35,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:35,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:35,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:35,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:35,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:35,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:35,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:35,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:35,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:35,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:35,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:35,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-10-13 10:54:35,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:35,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:35,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:35,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:35,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:35,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:35,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:35,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:35,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:35,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:35,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:35,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-10-13 10:54:35,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:35,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:35,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:35,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:35,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:35,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:35,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:35,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:35,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:35,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:35,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:35,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-10-13 10:54:35,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:35,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:35,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:35,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:35,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:35,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:35,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:35,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:35,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:35,320 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:35,320 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:35,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-10-13 10:54:35,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:35,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:35,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:35,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:35,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:35,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:35,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:35,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:35,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:35,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:35,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:35,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-10-13 10:54:35,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:35,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:35,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:35,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:35,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:35,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:35,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:35,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:35,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:35,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:35,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:35,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2020-10-13 10:54:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:35,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:35,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:35,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:35,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:35,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:35,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:35,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:35,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:35,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:35,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:35,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-10-13 10:54:35,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:35,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:35,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:35,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:35,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:35,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:35,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:35,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:35,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:35,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:35,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:35,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2020-10-13 10:54:35,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:35,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:35,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:35,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:35,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:35,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:35,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:35,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:35,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:35,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:35,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:35,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2020-10-13 10:54:35,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:35,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:35,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:35,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:35,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:35,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:35,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:35,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:35,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:35,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:35,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:35,390 INFO L134 CoverageAnalysis]: Checked inductivity of 4935 backedges. 1925 proven. 630 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2020-10-13 10:54:35,391 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [994818890] [2020-10-13 10:54:35,391 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:54:35,391 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75] total 75 [2020-10-13 10:54:35,391 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731728733] [2020-10-13 10:54:35,391 INFO L459 AbstractCegarLoop]: Interpolant automaton has 75 states [2020-10-13 10:54:35,392 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:54:35,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2020-10-13 10:54:35,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1407, Invalid=4143, Unknown=0, NotChecked=0, Total=5550 [2020-10-13 10:54:35,393 INFO L87 Difference]: Start difference. First operand 295 states and 296 transitions. Second operand 75 states. [2020-10-13 10:54:39,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:54:39,557 INFO L93 Difference]: Finished difference Result 412 states and 449 transitions. [2020-10-13 10:54:39,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2020-10-13 10:54:39,558 INFO L78 Accepts]: Start accepts. Automaton has 75 states. Word has length 292 [2020-10-13 10:54:39,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:54:39,559 INFO L225 Difference]: With dead ends: 412 [2020-10-13 10:54:39,559 INFO L226 Difference]: Without dead ends: 296 [2020-10-13 10:54:39,560 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1925 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=2887, Invalid=9545, Unknown=0, NotChecked=0, Total=12432 [2020-10-13 10:54:39,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-10-13 10:54:39,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2020-10-13 10:54:39,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-13 10:54:39,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 297 transitions. [2020-10-13 10:54:39,571 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 297 transitions. Word has length 292 [2020-10-13 10:54:39,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:54:39,572 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 297 transitions. [2020-10-13 10:54:39,572 INFO L480 AbstractCegarLoop]: Interpolant automaton has 75 states. [2020-10-13 10:54:39,572 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 297 transitions. [2020-10-13 10:54:39,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2020-10-13 10:54:39,574 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:54:39,574 INFO L422 BasicCegarLoop]: trace histogram [36, 36, 36, 36, 35, 35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:54:39,574 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2020-10-13 10:54:39,574 INFO L427 AbstractCegarLoop]: === Iteration 72 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:54:39,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:54:39,575 INFO L82 PathProgramCache]: Analyzing trace with hash 484926489, now seen corresponding path program 70 times [2020-10-13 10:54:39,575 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:54:39,575 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [132678301] [2020-10-13 10:54:39,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:54:39,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:39,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:43,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:43,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 371 [2020-10-13 10:54:43,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:43,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3405 [2020-10-13 10:54:43,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:43,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 75 [2020-10-13 10:54:43,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:54:43,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 360 [2020-10-13 10:54:43,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:44,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:54:44,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:44,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:44,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:44,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:54:44,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:44,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:44,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:44,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:54:44,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:44,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:54:44,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:44,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 10:54:44,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:44,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:44,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:44,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:44,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:44,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:44,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:44,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:44,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:44,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:44,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:44,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-13 10:54:44,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:44,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:44,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:44,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:44,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:44,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:44,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:44,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:44,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:44,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:44,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:44,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-13 10:54:44,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:44,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:44,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:44,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:44,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:44,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:44,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:44,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:44,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:44,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:44,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:44,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 10:54:44,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:44,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:44,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:44,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:44,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:44,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:44,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:44,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:44,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:44,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:44,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:44,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 10:54:44,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:44,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:44,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:44,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:44,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:44,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:44,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:44,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:44,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:44,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:44,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:44,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-13 10:54:44,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:44,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:44,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:44,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:44,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:44,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:44,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:44,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:44,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:44,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:44,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:44,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-13 10:54:44,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:44,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:44,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:44,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:44,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:44,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:44,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:44,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:44,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:44,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:44,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:44,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 10:54:44,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:44,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:44,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:44,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:44,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:44,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:44,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:44,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:44,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:44,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:44,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:44,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 10:54:44,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:44,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:44,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:44,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:44,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:44,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:44,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:44,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:44,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:44,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:44,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:44,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-13 10:54:44,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:44,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:44,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:44,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:44,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:44,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:44,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:44,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:44,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:44,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:44,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:44,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-13 10:54:44,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:44,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:44,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:44,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:44,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:44,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:44,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:44,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:44,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:44,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:44,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:44,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-13 10:54:44,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:44,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:44,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:44,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:44,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:44,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:44,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:44,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:44,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:44,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:44,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:44,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-13 10:54:44,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:44,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:44,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:44,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:44,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:44,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:44,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:44,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:44,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:44,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:44,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:44,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-13 10:54:44,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:44,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:44,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:44,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:44,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:44,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:44,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:44,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:44,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:44,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:44,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:44,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-13 10:54:44,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:44,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:44,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:44,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:44,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:44,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:44,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:44,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:44,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:44,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:44,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:44,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-13 10:54:44,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:44,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:44,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:44,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:44,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:44,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:44,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:44,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:44,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:44,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:44,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:44,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-13 10:54:44,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:44,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:44,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:44,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:44,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:44,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:44,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:44,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:44,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:44,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:44,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:44,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-13 10:54:44,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:44,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:44,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:44,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:44,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:44,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:44,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:44,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:44,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:44,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:44,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:44,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-13 10:54:44,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:44,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:44,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:44,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:44,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:44,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:44,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:44,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:44,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:44,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:44,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:44,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-13 10:54:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:44,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:44,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:44,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:44,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:44,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:44,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:44,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:44,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:44,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:44,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:44,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-10-13 10:54:44,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:44,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:44,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:44,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:44,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:44,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:44,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:44,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:44,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:44,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:44,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:44,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-10-13 10:54:44,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:44,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:44,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:44,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:44,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:44,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:44,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:44,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:44,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:44,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:44,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:44,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-10-13 10:54:44,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:44,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:44,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:44,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:44,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:44,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:44,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:44,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:44,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:44,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:44,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:44,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-13 10:54:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:44,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:44,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:44,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:44,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:44,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:44,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:44,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:44,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:44,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:44,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:44,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-13 10:54:44,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:44,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:44,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:44,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:44,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:44,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:44,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:44,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:44,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:44,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:44,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:44,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-13 10:54:44,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:44,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:44,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:44,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:44,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:44,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:44,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:44,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:44,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:44,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:44,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:44,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-10-13 10:54:44,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:44,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:44,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:44,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:44,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:44,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:44,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:44,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:44,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:44,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:44,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:44,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-10-13 10:54:44,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:44,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:44,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:44,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:44,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:44,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:44,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:44,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:44,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:44,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:44,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:44,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-10-13 10:54:44,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:44,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:44,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:44,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:44,186 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:44,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:44,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:44,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:44,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:44,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:44,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:44,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-10-13 10:54:44,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:44,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:44,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:44,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:44,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:44,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:44,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:44,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:44,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:44,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:44,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:44,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-10-13 10:54:44,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:44,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:44,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:44,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:44,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:44,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:44,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:44,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:44,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:44,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:44,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:44,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2020-10-13 10:54:44,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:44,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:44,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:44,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:44,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:44,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:44,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:44,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:44,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:44,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:44,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:44,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2020-10-13 10:54:44,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:44,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:44,200 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:44,200 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:44,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:44,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:44,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:44,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:44,200 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:44,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:44,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:44,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2020-10-13 10:54:44,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:44,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:44,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:44,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:44,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:44,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:44,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:44,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:44,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:44,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:44,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:44,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-10-13 10:54:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:44,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:44,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:44,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:44,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:44,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:44,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:44,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:44,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:44,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:44,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:44,248 INFO L134 CoverageAnalysis]: Checked inductivity of 4971 backedges. 736 proven. 1855 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2020-10-13 10:54:44,248 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [132678301] [2020-10-13 10:54:44,248 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:54:44,248 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2020-10-13 10:54:44,248 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071800459] [2020-10-13 10:54:44,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 41 states [2020-10-13 10:54:44,249 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:54:44,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2020-10-13 10:54:44,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=745, Invalid=895, Unknown=0, NotChecked=0, Total=1640 [2020-10-13 10:54:44,249 INFO L87 Difference]: Start difference. First operand 296 states and 297 transitions. Second operand 41 states. [2020-10-13 10:54:44,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:54:44,742 INFO L93 Difference]: Finished difference Result 309 states and 311 transitions. [2020-10-13 10:54:44,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-10-13 10:54:44,744 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 293 [2020-10-13 10:54:44,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:54:44,746 INFO L225 Difference]: With dead ends: 309 [2020-10-13 10:54:44,746 INFO L226 Difference]: Without dead ends: 307 [2020-10-13 10:54:44,746 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=749, Invalid=973, Unknown=0, NotChecked=0, Total=1722 [2020-10-13 10:54:44,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2020-10-13 10:54:44,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 303. [2020-10-13 10:54:44,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2020-10-13 10:54:44,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 304 transitions. [2020-10-13 10:54:44,759 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 304 transitions. Word has length 293 [2020-10-13 10:54:44,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:54:44,760 INFO L479 AbstractCegarLoop]: Abstraction has 303 states and 304 transitions. [2020-10-13 10:54:44,760 INFO L480 AbstractCegarLoop]: Interpolant automaton has 41 states. [2020-10-13 10:54:44,760 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 304 transitions. [2020-10-13 10:54:44,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2020-10-13 10:54:44,761 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:54:44,762 INFO L422 BasicCegarLoop]: trace histogram [37, 37, 37, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:54:44,762 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2020-10-13 10:54:44,762 INFO L427 AbstractCegarLoop]: === Iteration 73 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:54:44,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:54:44,762 INFO L82 PathProgramCache]: Analyzing trace with hash -282827695, now seen corresponding path program 71 times [2020-10-13 10:54:44,762 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:54:44,763 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [23765571] [2020-10-13 10:54:44,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:54:44,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:44,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:48,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:48,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 380 [2020-10-13 10:54:48,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:48,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3849 [2020-10-13 10:54:48,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:48,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 76 [2020-10-13 10:54:48,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:54:48,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 364 [2020-10-13 10:54:48,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:51,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:54:51,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:51,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:51,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:51,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:54:51,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:51,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:51,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:51,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:54:51,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:51,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:54:51,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:51,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-13 10:54:51,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:51,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:51,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:51,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:51,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:51,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:51,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:51,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:51,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:51,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:51,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:51,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-13 10:54:51,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:51,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:51,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:51,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:51,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:51,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:51,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:51,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:51,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:51,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:51,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:51,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-13 10:54:51,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:51,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:51,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:51,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:51,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:51,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:51,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:51,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:51,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:51,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:51,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:51,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-13 10:54:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:51,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:51,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:51,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:51,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:51,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:51,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:51,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:51,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:51,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:51,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:51,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-13 10:54:51,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:51,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:51,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:51,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:51,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:51,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:51,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:51,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:51,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:51,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:51,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:51,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-13 10:54:51,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:51,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:51,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:51,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:51,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:51,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:51,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:51,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:51,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:51,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:51,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:51,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-13 10:54:51,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:51,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:51,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:51,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:51,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:51,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:51,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:51,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:51,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:51,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:51,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:51,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-13 10:54:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:51,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:51,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:51,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:51,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:51,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:51,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:51,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:51,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:51,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:51,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:51,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-13 10:54:51,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:51,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:51,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:51,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:51,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:51,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:51,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:51,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:51,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:51,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:51,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:51,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-13 10:54:51,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:51,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:51,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:51,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:51,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:51,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:51,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:51,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:51,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:51,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:51,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:51,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-13 10:54:51,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:51,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:51,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:51,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:51,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:51,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:54:51,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:51,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:51,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:51,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:51,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:51,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-13 10:54:51,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:51,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:51,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:51,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:51,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:51,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:51,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:51,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:51,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:51,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:51,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:51,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-13 10:54:51,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:51,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:51,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:51,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:51,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:51,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:51,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:51,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:51,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:51,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:51,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:51,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-13 10:54:51,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:51,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:51,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:51,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:51,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:51,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:51,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:51,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:51,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:51,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:51,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:51,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-13 10:54:51,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:51,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:51,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:51,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:51,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:51,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:51,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:51,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:51,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:51,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:51,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:51,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-13 10:54:51,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:51,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:51,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:51,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:51,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:51,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:51,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:51,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:51,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:51,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:51,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:51,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-13 10:54:51,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:51,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:51,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:51,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:51,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:51,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:51,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:51,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:51,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:51,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:51,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:51,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-13 10:54:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:51,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:51,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:51,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:51,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:51,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:51,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:51,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:51,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:51,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:51,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:51,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-13 10:54:51,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:51,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:51,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:51,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:51,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:51,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:51,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:51,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:51,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:51,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:51,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:51,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-13 10:54:51,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:51,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:51,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:51,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:51,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:51,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:51,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:51,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:51,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:51,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:51,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:51,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-10-13 10:54:51,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:51,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:51,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:51,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:51,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:51,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:51,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:51,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:51,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:51,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:51,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:51,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-10-13 10:54:51,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:51,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:51,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:51,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:51,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:51,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:51,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:51,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:51,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:51,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:51,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:51,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-10-13 10:54:51,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:51,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:51,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:51,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:51,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:51,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:51,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:51,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:51,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:51,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:51,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:51,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-13 10:54:51,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:51,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:51,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:51,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:51,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:51,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:51,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:51,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:51,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:51,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:51,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:51,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-13 10:54:51,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:51,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:51,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:51,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:51,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:51,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:51,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:51,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:51,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:51,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:51,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:51,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-13 10:54:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:51,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:51,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:51,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:51,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:51,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:51,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:51,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:51,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:51,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:51,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:51,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-10-13 10:54:51,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:51,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:51,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:51,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:51,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:51,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:51,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:51,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:51,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:51,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:51,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:51,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-10-13 10:54:51,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:51,851 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:51,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:51,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:51,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:51,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:51,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:51,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:51,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:51,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:51,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:51,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-10-13 10:54:51,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:51,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:51,858 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:51,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:51,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:51,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:51,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:51,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:51,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:51,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:51,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:51,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-10-13 10:54:51,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:51,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:51,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:51,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:51,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:51,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:51,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:51,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:51,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:51,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:51,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:51,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-10-13 10:54:51,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:51,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:51,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:51,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:51,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:51,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:51,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:51,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:51,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:51,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:51,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:51,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2020-10-13 10:54:51,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:51,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:51,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:51,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:51,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:51,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:51,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:51,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:51,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:51,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:51,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:51,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2020-10-13 10:54:51,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:51,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:51,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:51,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:51,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:51,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:51,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:51,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:51,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:51,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:51,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:51,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2020-10-13 10:54:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:51,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:51,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:51,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:51,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:51,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:51,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:51,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:51,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:51,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:51,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:51,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-10-13 10:54:51,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:51,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:51,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:51,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:51,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:51,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:51,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:51,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:51,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:51,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:51,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:51,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2020-10-13 10:54:51,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:51,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:54:51,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:54:51,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:54:51,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:54:51,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:54:51,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:54:51,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:54:51,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:54:51,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:54:51,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:54:51,997 INFO L134 CoverageAnalysis]: Checked inductivity of 5220 backedges. 2034 proven. 666 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2020-10-13 10:54:52,003 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [23765571] [2020-10-13 10:54:52,003 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:54:52,003 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [77] total 77 [2020-10-13 10:54:52,004 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337758843] [2020-10-13 10:54:52,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 77 states [2020-10-13 10:54:52,004 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:54:52,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2020-10-13 10:54:52,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1483, Invalid=4369, Unknown=0, NotChecked=0, Total=5852 [2020-10-13 10:54:52,006 INFO L87 Difference]: Start difference. First operand 303 states and 304 transitions. Second operand 77 states. [2020-10-13 10:54:56,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:54:56,906 INFO L93 Difference]: Finished difference Result 423 states and 461 transitions. [2020-10-13 10:54:56,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2020-10-13 10:54:56,913 INFO L78 Accepts]: Start accepts. Automaton has 77 states. Word has length 300 [2020-10-13 10:54:56,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:54:56,915 INFO L225 Difference]: With dead ends: 423 [2020-10-13 10:54:56,915 INFO L226 Difference]: Without dead ends: 304 [2020-10-13 10:54:56,917 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2034 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=3041, Invalid=10069, Unknown=0, NotChecked=0, Total=13110 [2020-10-13 10:54:56,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-10-13 10:54:56,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2020-10-13 10:54:56,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2020-10-13 10:54:56,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 305 transitions. [2020-10-13 10:54:56,933 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 305 transitions. Word has length 300 [2020-10-13 10:54:56,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:54:56,933 INFO L479 AbstractCegarLoop]: Abstraction has 304 states and 305 transitions. [2020-10-13 10:54:56,933 INFO L480 AbstractCegarLoop]: Interpolant automaton has 77 states. [2020-10-13 10:54:56,933 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 305 transitions. [2020-10-13 10:54:56,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-10-13 10:54:56,935 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:54:56,935 INFO L422 BasicCegarLoop]: trace histogram [37, 37, 37, 37, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:54:56,936 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2020-10-13 10:54:56,936 INFO L427 AbstractCegarLoop]: === Iteration 74 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:54:56,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:54:56,936 INFO L82 PathProgramCache]: Analyzing trace with hash 569243416, now seen corresponding path program 72 times [2020-10-13 10:54:56,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:54:56,936 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1997137026] [2020-10-13 10:54:56,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:54:56,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:54:57,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:00,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:00,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 381 [2020-10-13 10:55:00,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:00,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3846 [2020-10-13 10:55:00,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:00,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 77 [2020-10-13 10:55:00,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:55:00,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 370 [2020-10-13 10:55:00,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:01,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:55:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:01,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:01,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:01,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:55:01,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:01,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:55:01,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:01,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:55:01,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:01,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:55:01,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:01,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 10:55:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:01,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:01,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:01,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:01,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:01,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:01,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:01,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:01,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:01,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:01,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:01,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-13 10:55:01,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:01,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:01,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:01,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:01,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:01,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:01,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:01,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:01,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:01,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:01,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:01,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 10:55:01,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:01,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:01,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:01,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:01,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:01,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:01,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:01,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:02,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:02,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:02,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:02,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-13 10:55:02,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:02,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:02,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:02,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:02,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:02,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:55:02,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:02,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:02,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:02,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:02,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:02,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 10:55:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:02,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:02,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:02,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:02,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:02,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:02,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:02,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:02,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:02,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:02,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:02,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 10:55:02,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:02,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:02,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:02,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:02,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:02,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:02,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:02,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:02,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:02,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:02,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:02,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 10:55:02,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:02,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:02,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:02,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:02,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:02,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:55:02,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:02,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:02,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:02,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:02,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:02,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-13 10:55:02,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:02,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:02,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:02,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:02,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:02,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:55:02,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:02,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:02,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:02,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:02,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:02,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 10:55:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:02,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:02,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:02,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:02,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:02,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:02,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:02,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:02,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:02,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:02,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:02,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-13 10:55:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:02,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:02,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:02,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:02,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:02,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:55:02,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:02,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:02,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:02,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:02,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:02,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-13 10:55:02,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:02,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:02,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:02,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:02,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:02,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:02,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:02,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:02,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:02,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:02,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:02,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-13 10:55:02,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:02,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:02,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:02,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:02,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:02,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:55:02,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:02,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:02,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:02,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:02,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:02,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-13 10:55:02,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:02,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:02,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:02,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:02,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:02,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:02,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:02,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:02,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:02,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:02,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:02,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 10:55:02,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:02,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:02,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:02,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:02,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:02,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:02,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:02,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:02,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:02,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:02,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:02,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-13 10:55:02,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:02,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:02,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:02,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:02,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:02,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:02,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:02,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:02,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:02,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:02,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:02,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-13 10:55:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:02,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:02,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:02,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:02,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:02,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:02,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:02,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:02,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:02,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:02,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:02,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-13 10:55:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:02,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:02,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:02,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:02,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:02,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:55:02,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:02,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:02,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:02,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:02,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:02,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-13 10:55:02,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:02,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:02,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:02,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:02,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:02,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:55:02,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:02,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:02,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:02,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:02,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:02,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-13 10:55:02,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:02,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:02,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:02,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:02,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:02,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:02,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:02,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:02,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:02,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:02,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:02,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-13 10:55:02,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:02,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:02,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:02,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:02,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:02,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:55:02,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:02,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:02,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:02,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:02,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:02,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-13 10:55:02,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:02,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:02,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:02,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:02,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:02,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:55:02,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:02,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:02,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:02,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:02,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:02,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-13 10:55:02,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:02,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:02,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:02,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:02,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:02,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:02,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:02,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:02,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:02,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:02,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:02,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-13 10:55:02,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:02,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:02,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:02,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:02,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:02,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:55:02,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:02,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:02,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:02,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:02,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:02,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-10-13 10:55:02,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:02,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:02,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:02,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:02,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:02,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:55:02,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:02,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:02,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:02,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:02,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:02,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-13 10:55:02,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:02,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:02,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:02,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:02,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:02,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:55:02,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:02,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:02,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:02,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:02,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:02,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-13 10:55:02,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:02,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:02,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:02,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:02,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:02,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:55:02,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:02,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:02,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:02,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:02,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:02,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-13 10:55:02,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:02,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:02,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:02,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:02,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:02,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:55:02,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:02,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:02,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:02,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:02,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:02,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-13 10:55:02,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:02,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:02,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:02,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:02,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:02,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:55:02,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:02,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:02,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:02,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:02,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:02,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-13 10:55:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:02,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:02,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:02,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:02,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:02,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-13 10:55:02,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:02,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:02,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:02,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:02,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:02,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-10-13 10:55:02,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:02,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:02,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:02,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:02,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:02,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:55:02,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:02,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:02,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:02,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:02,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:02,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-10-13 10:55:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:02,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:02,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:02,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:02,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:02,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:55:02,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:02,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:02,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:02,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:02,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:02,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-10-13 10:55:02,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:02,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:02,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:02,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:02,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:02,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:55:02,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:02,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:02,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:02,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:02,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:02,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2020-10-13 10:55:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:02,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:02,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:02,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:02,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:02,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:55:02,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:02,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:02,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:02,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:02,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:02,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2020-10-13 10:55:02,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:02,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:02,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:02,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:02,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:02,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:55:02,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:02,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:02,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:02,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:02,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:02,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2020-10-13 10:55:02,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:02,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:02,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:02,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:02,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:02,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:55:02,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:02,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:02,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:02,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:02,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:02,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2020-10-13 10:55:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:02,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:02,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:02,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:02,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:02,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:55:02,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:02,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:02,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:02,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:02,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:02,196 INFO L134 CoverageAnalysis]: Checked inductivity of 5257 backedges. 775 proven. 1962 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2020-10-13 10:55:02,197 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1997137026] [2020-10-13 10:55:02,197 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:55:02,197 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2020-10-13 10:55:02,197 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063176594] [2020-10-13 10:55:02,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 42 states [2020-10-13 10:55:02,197 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:55:02,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2020-10-13 10:55:02,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=784, Invalid=938, Unknown=0, NotChecked=0, Total=1722 [2020-10-13 10:55:02,198 INFO L87 Difference]: Start difference. First operand 304 states and 305 transitions. Second operand 42 states. [2020-10-13 10:55:02,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:55:02,740 INFO L93 Difference]: Finished difference Result 317 states and 319 transitions. [2020-10-13 10:55:02,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-13 10:55:02,741 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 301 [2020-10-13 10:55:02,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:55:02,743 INFO L225 Difference]: With dead ends: 317 [2020-10-13 10:55:02,743 INFO L226 Difference]: Without dead ends: 315 [2020-10-13 10:55:02,744 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=788, Invalid=1018, Unknown=0, NotChecked=0, Total=1806 [2020-10-13 10:55:02,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2020-10-13 10:55:02,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 311. [2020-10-13 10:55:02,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311 states. [2020-10-13 10:55:02,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 312 transitions. [2020-10-13 10:55:02,755 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 312 transitions. Word has length 301 [2020-10-13 10:55:02,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:55:02,755 INFO L479 AbstractCegarLoop]: Abstraction has 311 states and 312 transitions. [2020-10-13 10:55:02,755 INFO L480 AbstractCegarLoop]: Interpolant automaton has 42 states. [2020-10-13 10:55:02,755 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 312 transitions. [2020-10-13 10:55:02,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2020-10-13 10:55:02,756 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:55:02,756 INFO L422 BasicCegarLoop]: trace histogram [38, 38, 38, 37, 37, 37, 37, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:55:02,757 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2020-10-13 10:55:02,757 INFO L427 AbstractCegarLoop]: === Iteration 75 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:55:02,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:55:02,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1010910322, now seen corresponding path program 73 times [2020-10-13 10:55:02,757 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:55:02,757 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [311394405] [2020-10-13 10:55:02,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:55:02,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:02,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:06,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:06,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 390 [2020-10-13 10:55:06,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:06,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3938 [2020-10-13 10:55:06,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:06,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 78 [2020-10-13 10:55:06,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-13 10:55:06,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 374 [2020-10-13 10:55:06,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:09,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-13 10:55:09,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:09,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:09,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:09,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-13 10:55:09,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:09,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:55:09,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:09,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-13 10:55:09,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:09,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-13 10:55:09,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:09,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-13 10:55:09,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:09,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:09,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:09,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:09,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:09,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:09,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:09,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:09,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:09,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:09,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:09,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-13 10:55:09,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:09,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:09,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:09,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:09,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:09,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:09,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:09,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:09,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:09,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:09,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:09,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-13 10:55:09,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:09,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:09,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:09,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:09,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:09,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:09,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:09,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:09,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:09,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:09,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:09,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-13 10:55:09,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:09,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:09,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:09,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:09,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:09,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:55:09,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:09,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:09,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:09,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:09,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:09,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-13 10:55:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:09,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:09,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:09,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:09,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:09,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:09,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:09,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:09,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:09,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:09,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:09,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-13 10:55:09,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:09,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:09,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:09,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:09,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:09,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:09,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:09,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:09,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:09,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:09,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:09,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-13 10:55:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:09,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:09,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:09,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:09,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:09,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:09,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:09,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:09,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:09,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:09,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:09,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-13 10:55:09,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:09,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:09,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:09,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:09,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:09,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:09,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:09,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:09,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:09,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:09,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:09,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-13 10:55:09,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:09,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:09,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:09,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:09,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:09,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:09,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:09,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:09,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:09,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:09,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:09,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-13 10:55:09,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:09,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:09,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:09,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:09,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:09,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:09,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:09,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:09,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:09,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:09,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:09,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-13 10:55:09,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:09,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:09,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:09,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:09,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:09,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:09,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:09,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:09,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:09,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:09,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:09,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-13 10:55:09,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:09,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:09,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:09,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:09,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:09,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:09,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:09,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:09,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:09,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:09,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:09,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-13 10:55:09,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:09,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:09,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:09,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:09,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:09,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:55:09,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:09,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:09,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:09,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:09,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:09,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-13 10:55:09,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:09,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:09,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:09,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:09,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:09,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:09,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:09,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:09,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:09,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:09,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:09,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-13 10:55:09,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:09,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:09,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:09,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:09,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:09,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:09,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:09,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:09,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:09,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:09,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:09,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-13 10:55:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:09,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:09,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:09,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:09,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:09,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:09,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:09,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:09,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:09,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:09,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:09,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-13 10:55:09,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:09,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:09,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:09,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:09,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:09,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-13 10:55:09,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:09,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:09,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:09,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:09,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:09,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-13 10:55:09,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:09,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:09,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:09,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:09,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:09,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:09,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:09,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:09,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:09,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:09,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:09,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-13 10:55:09,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:09,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:09,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:09,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:09,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:10,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:10,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:10,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:10,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:10,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:10,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:10,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-13 10:55:10,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:10,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:10,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:10,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:10,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:10,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:10,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:10,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:10,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:10,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:10,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:10,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-13 10:55:10,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:10,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:10,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:10,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:10,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:10,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:10,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:10,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:10,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:10,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:10,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:10,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-13 10:55:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:10,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:10,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:10,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:10,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:10,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:10,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:10,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:10,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:10,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:10,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:10,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-13 10:55:10,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:10,013 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:10,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:10,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:10,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:10,014 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:10,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:10,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:10,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:10,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:10,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:10,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-10-13 10:55:10,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:10,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:10,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:10,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:10,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:10,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:10,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:10,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:10,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:10,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:10,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:10,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-13 10:55:10,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:10,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:10,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:10,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:10,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:10,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:10,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:10,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:10,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:10,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:10,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:10,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-13 10:55:10,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:10,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:10,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:10,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:10,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:10,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:10,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:10,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:10,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:10,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:10,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:10,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-13 10:55:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:10,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:10,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:10,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:10,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:10,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:10,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:10,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:10,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:10,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:10,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:10,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-13 10:55:10,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:10,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:10,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:10,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:10,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:10,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:10,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:10,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:10,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:10,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:10,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:10,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-13 10:55:10,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:10,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:10,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:10,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:10,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:10,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:10,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:10,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:10,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:10,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:10,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:10,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-10-13 10:55:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:10,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:10,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:10,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:10,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:10,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:10,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:10,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:10,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:10,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:10,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:10,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-10-13 10:55:10,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:10,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:10,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:10,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:10,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:10,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:10,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:10,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:10,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:10,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:10,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:10,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-10-13 10:55:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:10,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:10,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:10,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:10,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:10,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:10,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:10,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:10,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:10,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:10,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:10,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2020-10-13 10:55:10,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:10,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:10,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:10,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:10,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:10,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:10,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:10,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:10,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:10,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:10,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:10,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2020-10-13 10:55:10,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:10,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:10,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:10,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:10,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:10,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:10,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:10,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:10,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:10,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:10,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:10,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2020-10-13 10:55:10,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:10,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:10,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:10,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:10,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:10,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:10,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:10,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:10,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:10,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:10,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:10,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2020-10-13 10:55:10,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:10,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:10,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:10,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:10,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:10,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:10,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:10,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:10,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:10,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:10,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:10,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2020-10-13 10:55:10,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:10,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-13 10:55:10,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-13 10:55:10,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-13 10:55:10,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-13 10:55:10,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-13 10:55:10,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: NARROWEST [2020-10-13 10:55:10,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-13 10:55:10,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-13 10:55:10,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-13 10:55:10,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-13 10:55:10,160 INFO L134 CoverageAnalysis]: Checked inductivity of 5513 backedges. 2146 proven. 703 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2020-10-13 10:55:10,161 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [311394405] [2020-10-13 10:55:10,161 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-13 10:55:10,161 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [79] total 79 [2020-10-13 10:55:10,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582406512] [2020-10-13 10:55:10,161 INFO L459 AbstractCegarLoop]: Interpolant automaton has 79 states [2020-10-13 10:55:10,161 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-13 10:55:10,162 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2020-10-13 10:55:10,162 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1561, Invalid=4601, Unknown=0, NotChecked=0, Total=6162 [2020-10-13 10:55:10,162 INFO L87 Difference]: Start difference. First operand 311 states and 312 transitions. Second operand 79 states. [2020-10-13 10:55:15,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-13 10:55:15,378 INFO L93 Difference]: Finished difference Result 434 states and 473 transitions. [2020-10-13 10:55:15,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2020-10-13 10:55:15,379 INFO L78 Accepts]: Start accepts. Automaton has 79 states. Word has length 308 [2020-10-13 10:55:15,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-13 10:55:15,381 INFO L225 Difference]: With dead ends: 434 [2020-10-13 10:55:15,381 INFO L226 Difference]: Without dead ends: 312 [2020-10-13 10:55:15,383 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2146 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=3199, Invalid=10607, Unknown=0, NotChecked=0, Total=13806 [2020-10-13 10:55:15,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2020-10-13 10:55:15,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 312. [2020-10-13 10:55:15,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2020-10-13 10:55:15,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 313 transitions. [2020-10-13 10:55:15,399 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 313 transitions. Word has length 308 [2020-10-13 10:55:15,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-13 10:55:15,399 INFO L479 AbstractCegarLoop]: Abstraction has 312 states and 313 transitions. [2020-10-13 10:55:15,399 INFO L480 AbstractCegarLoop]: Interpolant automaton has 79 states. [2020-10-13 10:55:15,399 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 313 transitions. [2020-10-13 10:55:15,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2020-10-13 10:55:15,401 INFO L414 BasicCegarLoop]: Found error trace [2020-10-13 10:55:15,401 INFO L422 BasicCegarLoop]: trace histogram [38, 38, 38, 38, 37, 37, 37, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-13 10:55:15,402 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable74 [2020-10-13 10:55:15,402 INFO L427 AbstractCegarLoop]: === Iteration 76 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-13 10:55:15,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-13 10:55:15,402 INFO L82 PathProgramCache]: Analyzing trace with hash -561307591, now seen corresponding path program 74 times [2020-10-13 10:55:15,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-13 10:55:15,402 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1487684656] [2020-10-13 10:55:15,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-13 10:55:15,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-13 10:55:15,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking...