/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=BIGGEST --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 [2020-10-12 16:06:44,800 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 16:06:44,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 16:06:44,834 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 16:06:44,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 16:06:44,842 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 16:06:44,843 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 16:06:44,846 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 16:06:44,849 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 16:06:44,851 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 16:06:44,852 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 16:06:44,854 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 16:06:44,855 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 16:06:44,857 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 16:06:44,859 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 16:06:44,860 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 16:06:44,862 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 16:06:44,863 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 16:06:44,865 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 16:06:44,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 16:06:44,874 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 16:06:44,876 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 16:06:44,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 16:06:44,878 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 16:06:44,890 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 16:06:44,890 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 16:06:44,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 16:06:44,893 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 16:06:44,894 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 16:06:44,894 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 16:06:44,895 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 16:06:44,895 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 16:06:44,898 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 16:06:44,899 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 16:06:44,900 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 16:06:44,900 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 16:06:44,901 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 16:06:44,901 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 16:06:44,904 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 16:06:44,905 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 16:06:44,906 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 16:06:44,910 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 [2020-10-12 16:06:44,950 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 16:06:44,950 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 16:06:44,952 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 16:06:44,952 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 16:06:44,952 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 16:06:44,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 16:06:44,953 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 16:06:44,953 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 16:06:44,953 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 16:06:44,953 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 16:06:44,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 16:06:44,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 16:06:44,954 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 16:06:44,955 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 16:06:44,956 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 16:06:44,956 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 16:06:44,956 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 16:06:44,956 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 16:06:44,957 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 16:06:44,957 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 16:06:44,957 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 16:06:44,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 16:06:44,958 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 16:06:44,958 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 16:06:44,958 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 16:06:44,958 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 16:06:44,958 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 16:06:44,958 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 16:06:44,959 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 16:06:44,959 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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;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=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 16:06:45,251 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 16:06:45,273 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 16:06:45,277 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 16:06:45,279 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 16:06:45,279 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 16:06:45,280 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/up.i [2020-10-12 16:06:45,342 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e8590266a/236d748b3e9d48d99188d6c13f4c6c0a/FLAG9a5880fb2 [2020-10-12 16:06:45,807 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 16:06:45,807 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-invgen/up.i [2020-10-12 16:06:45,814 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e8590266a/236d748b3e9d48d99188d6c13f4c6c0a/FLAG9a5880fb2 [2020-10-12 16:06:46,185 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e8590266a/236d748b3e9d48d99188d6c13f4c6c0a [2020-10-12 16:06:46,193 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 16:06:46,194 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 16:06:46,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 16:06:46,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 16:06:46,199 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 16:06:46,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:06:46" (1/1) ... [2020-10-12 16:06:46,203 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64f92ea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:06:46, skipping insertion in model container [2020-10-12 16:06:46,203 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:06:46" (1/1) ... [2020-10-12 16:06:46,211 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 16:06:46,229 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 16:06:46,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:06:46,382 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 16:06:46,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:06:46,414 INFO L208 MainTranslator]: Completed translation [2020-10-12 16:06:46,414 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:06:46 WrapperNode [2020-10-12 16:06:46,414 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 16:06:46,415 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 16:06:46,415 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 16:06:46,415 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 16:06:46,429 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:06:46" (1/1) ... [2020-10-12 16:06:46,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:06:46" (1/1) ... [2020-10-12 16:06:46,434 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:06:46" (1/1) ... [2020-10-12 16:06:46,435 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:06:46" (1/1) ... [2020-10-12 16:06:46,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:06:46" (1/1) ... [2020-10-12 16:06:46,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:06:46" (1/1) ... [2020-10-12 16:06:46,445 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:06:46" (1/1) ... [2020-10-12 16:06:46,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 16:06:46,529 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 16:06:46,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 16:06:46,530 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 16:06:46,531 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:06:46" (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 [2020-10-12 16:06:46,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 16:06:46,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 16:06:46,595 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-12 16:06:46,595 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-12 16:06:46,595 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 16:06:46,595 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 16:06:46,595 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-12 16:06:46,596 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-12 16:06:46,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-12 16:06:46,596 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 16:06:46,596 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 16:06:46,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 16:06:46,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 16:06:46,777 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 16:06:46,777 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-12 16:06:46,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:06:46 BoogieIcfgContainer [2020-10-12 16:06:46,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 16:06:46,783 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 16:06:46,783 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 16:06:46,786 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 16:06:46,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 04:06:46" (1/3) ... [2020-10-12 16:06:46,787 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8652db6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:06:46, skipping insertion in model container [2020-10-12 16:06:46,787 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:06:46" (2/3) ... [2020-10-12 16:06:46,788 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8652db6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:06:46, skipping insertion in model container [2020-10-12 16:06:46,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:06:46" (3/3) ... [2020-10-12 16:06:46,789 INFO L109 eAbstractionObserver]: Analyzing ICFG up.i [2020-10-12 16:06:46,800 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 16:06:46,808 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 16:06:46,823 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 16:06:46,854 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 16:06:46,854 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 16:06:46,854 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 16:06:46,854 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 16:06:46,855 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 16:06:46,855 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 16:06:46,855 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 16:06:46,856 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 16:06:46,880 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2020-10-12 16:06:46,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-12 16:06:46,888 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:06:46,889 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:06:46,890 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:06:46,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:06:46,899 INFO L82 PathProgramCache]: Analyzing trace with hash 1350782609, now seen corresponding path program 1 times [2020-10-12 16:06:46,924 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:06:46,931 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [187629937] [2020-10-12 16:06:46,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:06:47,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:47,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:47,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:47,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-10-12 16:06:47,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:47,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-12 16:06:47,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:47,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-12 16:06:47,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:06:47,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 16:06:47,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 16:06:47,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:06:47,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:47,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:47,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:47,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:06:47,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:47,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:06:47,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:47,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:06:47,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:47,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:06:47,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:06:47,233 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 16:06:47,233 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [187629937] [2020-10-12 16:06:47,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 16:06:47,239 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 16:06:47,240 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140243787] [2020-10-12 16:06:47,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 16:06:47,246 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:06:47,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 16:06:47,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 16:06:47,264 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 5 states. [2020-10-12 16:06:47,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:06:47,353 INFO L93 Difference]: Finished difference Result 39 states and 50 transitions. [2020-10-12 16:06:47,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 16:06:47,354 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-10-12 16:06:47,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:06:47,362 INFO L225 Difference]: With dead ends: 39 [2020-10-12 16:06:47,362 INFO L226 Difference]: Without dead ends: 17 [2020-10-12 16:06:47,367 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 [2020-10-12 16:06:47,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2020-10-12 16:06:47,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2020-10-12 16:06:47,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2020-10-12 16:06:47,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 18 transitions. [2020-10-12 16:06:47,401 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 18 transitions. Word has length 12 [2020-10-12 16:06:47,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:06:47,401 INFO L479 AbstractCegarLoop]: Abstraction has 17 states and 18 transitions. [2020-10-12 16:06:47,402 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 16:06:47,402 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2020-10-12 16:06:47,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-12 16:06:47,403 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:06:47,403 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:06:47,403 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 16:06:47,404 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:06:47,404 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:06:47,404 INFO L82 PathProgramCache]: Analyzing trace with hash 1102617944, now seen corresponding path program 1 times [2020-10-12 16:06:47,405 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:06:47,405 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [975926169] [2020-10-12 16:06:47,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:06:47,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:47,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:47,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:47,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 16:06:47,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:47,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 151 [2020-10-12 16:06:47,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:47,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 16:06:47,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:06:47,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 16:06:47,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:06:47,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:06:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:47,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:47,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:47,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:06:47,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:47,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:47,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:47,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:06:47,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:47,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:06:47,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:06:47,682 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 16:06:47,683 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [975926169] [2020-10-12 16:06:47,683 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 16:06:47,683 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 16:06:47,684 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1347694822] [2020-10-12 16:06:47,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 16:06:47,686 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:06:47,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 16:06:47,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-12 16:06:47,687 INFO L87 Difference]: Start difference. First operand 17 states and 18 transitions. Second operand 6 states. [2020-10-12 16:06:47,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:06:47,751 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2020-10-12 16:06:47,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 16:06:47,752 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2020-10-12 16:06:47,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:06:47,755 INFO L225 Difference]: With dead ends: 29 [2020-10-12 16:06:47,755 INFO L226 Difference]: Without dead ends: 27 [2020-10-12 16:06:47,756 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 [2020-10-12 16:06:47,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-10-12 16:06:47,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 23. [2020-10-12 16:06:47,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-10-12 16:06:47,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 24 transitions. [2020-10-12 16:06:47,768 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 24 transitions. Word has length 13 [2020-10-12 16:06:47,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:06:47,768 INFO L479 AbstractCegarLoop]: Abstraction has 23 states and 24 transitions. [2020-10-12 16:06:47,768 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 16:06:47,768 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 24 transitions. [2020-10-12 16:06:47,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-10-12 16:06:47,769 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:06:47,770 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:06:47,770 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 16:06:47,770 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:06:47,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:06:47,770 INFO L82 PathProgramCache]: Analyzing trace with hash -1600448974, now seen corresponding path program 1 times [2020-10-12 16:06:47,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:06:47,771 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1827994851] [2020-10-12 16:06:47,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:06:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:47,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:47,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:47,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 30 [2020-10-12 16:06:47,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:47,883 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 98 [2020-10-12 16:06:47,883 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:47,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:06:47,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:06:47,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-12 16:06:47,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:06:47,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:06:47,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:47,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:47,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:47,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:06:47,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:47,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:47,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:47,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:06:47,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:47,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:06:47,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:06:47,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-12 16:06:47,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:47,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:47,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:47,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:47,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:47,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:06:47,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:47,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:47,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:47,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:47,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:06:47,955 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 16:06:47,955 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1827994851] [2020-10-12 16:06:47,956 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:06:47,956 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 16:06:47,956 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077572039] [2020-10-12 16:06:47,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 16:06:47,957 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:06:47,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 16:06:47,958 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-12 16:06:47,958 INFO L87 Difference]: Start difference. First operand 23 states and 24 transitions. Second operand 7 states. [2020-10-12 16:06:48,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:06:48,069 INFO L93 Difference]: Finished difference Result 38 states and 41 transitions. [2020-10-12 16:06:48,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 16:06:48,070 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2020-10-12 16:06:48,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:06:48,072 INFO L225 Difference]: With dead ends: 38 [2020-10-12 16:06:48,073 INFO L226 Difference]: Without dead ends: 24 [2020-10-12 16:06:48,073 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 [2020-10-12 16:06:48,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2020-10-12 16:06:48,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2020-10-12 16:06:48,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2020-10-12 16:06:48,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2020-10-12 16:06:48,080 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 20 [2020-10-12 16:06:48,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:06:48,081 INFO L479 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2020-10-12 16:06:48,081 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 16:06:48,081 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2020-10-12 16:06:48,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-10-12 16:06:48,082 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:06:48,082 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:06:48,082 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 16:06:48,082 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:06:48,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:06:48,083 INFO L82 PathProgramCache]: Analyzing trace with hash -1479234055, now seen corresponding path program 2 times [2020-10-12 16:06:48,083 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:06:48,084 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [206014924] [2020-10-12 16:06:48,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:06:48,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:48,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:48,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:48,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 31 [2020-10-12 16:06:48,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:48,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-12 16:06:48,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:48,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:06:48,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:06:48,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 16:06:48,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:48,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:06:48,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:48,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:48,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:48,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:06:48,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:48,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:48,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:48,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:06:48,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:48,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:06:48,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:48,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 16:06:48,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:48,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:48,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:48,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:48,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:48,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:06:48,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:48,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:48,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:48,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:48,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:06:48,274 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 16:06:48,274 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [206014924] [2020-10-12 16:06:48,274 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:06:48,275 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 16:06:48,275 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177517038] [2020-10-12 16:06:48,275 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 16:06:48,276 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:06:48,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 16:06:48,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-12 16:06:48,276 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand 7 states. [2020-10-12 16:06:48,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:06:48,337 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2020-10-12 16:06:48,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 16:06:48,338 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 21 [2020-10-12 16:06:48,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:06:48,339 INFO L225 Difference]: With dead ends: 37 [2020-10-12 16:06:48,339 INFO L226 Difference]: Without dead ends: 35 [2020-10-12 16:06:48,340 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 [2020-10-12 16:06:48,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2020-10-12 16:06:48,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 31. [2020-10-12 16:06:48,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-10-12 16:06:48,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2020-10-12 16:06:48,349 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 21 [2020-10-12 16:06:48,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:06:48,349 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2020-10-12 16:06:48,349 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 16:06:48,349 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2020-10-12 16:06:48,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-12 16:06:48,350 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:06:48,351 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:06:48,351 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 16:06:48,351 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:06:48,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:06:48,351 INFO L82 PathProgramCache]: Analyzing trace with hash -899006863, now seen corresponding path program 3 times [2020-10-12 16:06:48,352 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:06:48,352 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1342433011] [2020-10-12 16:06:48,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:06:48,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:48,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:48,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:48,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-12 16:06:48,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:48,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 86 [2020-10-12 16:06:48,449 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:48,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:06:48,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:06:48,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-10-12 16:06:48,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:48,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:06:48,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:48,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:48,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:48,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:06:48,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:48,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:48,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:48,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:06:48,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:48,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:06:48,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:48,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 16:06:48,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:48,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:48,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:48,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:48,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:48,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:06:48,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:48,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:48,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:48,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:48,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:48,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 16:06:48,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:48,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:48,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:48,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:48,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:48,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:06:48,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:48,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:48,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:48,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:48,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:48,536 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-12 16:06:48,537 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1342433011] [2020-10-12 16:06:48,537 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:06:48,537 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-12 16:06:48,538 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181773724] [2020-10-12 16:06:48,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 16:06:48,538 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:06:48,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 16:06:48,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-12 16:06:48,539 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand 9 states. [2020-10-12 16:06:48,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:06:48,643 INFO L93 Difference]: Finished difference Result 49 states and 53 transitions. [2020-10-12 16:06:48,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 16:06:48,644 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 28 [2020-10-12 16:06:48,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:06:48,645 INFO L225 Difference]: With dead ends: 49 [2020-10-12 16:06:48,645 INFO L226 Difference]: Without dead ends: 32 [2020-10-12 16:06:48,646 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-10-12 16:06:48,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-10-12 16:06:48,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2020-10-12 16:06:48,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-10-12 16:06:48,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 33 transitions. [2020-10-12 16:06:48,653 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 33 transitions. Word has length 28 [2020-10-12 16:06:48,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:06:48,654 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 33 transitions. [2020-10-12 16:06:48,654 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 16:06:48,654 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 33 transitions. [2020-10-12 16:06:48,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-12 16:06:48,655 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:06:48,655 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:06:48,655 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 16:06:48,656 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:06:48,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:06:48,656 INFO L82 PathProgramCache]: Analyzing trace with hash 659496760, now seen corresponding path program 4 times [2020-10-12 16:06:48,656 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:06:48,657 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [22459617] [2020-10-12 16:06:48,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:06:48,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:48,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:48,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:48,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 41 [2020-10-12 16:06:48,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:48,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-12 16:06:48,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:48,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 16:06:48,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:06:48,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-12 16:06:48,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:48,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:06:48,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:48,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:48,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:48,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:06:48,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:48,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:48,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:48,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:06:48,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:48,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:06:48,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:06:48,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 16:06:48,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:48,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:48,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:48,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:48,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:48,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:06:48,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:48,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:48,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:48,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:48,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:06:48,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:06:48,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:48,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:48,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:48,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:48,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:48,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:06:48,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:48,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:48,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:48,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:48,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:06:48,854 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-12 16:06:48,855 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [22459617] [2020-10-12 16:06:48,855 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:06:48,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-12 16:06:48,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343115416] [2020-10-12 16:06:48,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 16:06:48,856 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:06:48,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 16:06:48,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-10-12 16:06:48,857 INFO L87 Difference]: Start difference. First operand 32 states and 33 transitions. Second operand 8 states. [2020-10-12 16:06:48,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:06:48,937 INFO L93 Difference]: Finished difference Result 45 states and 47 transitions. [2020-10-12 16:06:48,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 16:06:48,938 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 29 [2020-10-12 16:06:48,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:06:48,939 INFO L225 Difference]: With dead ends: 45 [2020-10-12 16:06:48,939 INFO L226 Difference]: Without dead ends: 43 [2020-10-12 16:06:48,940 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 [2020-10-12 16:06:48,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-12 16:06:48,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 39. [2020-10-12 16:06:48,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-10-12 16:06:48,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 40 transitions. [2020-10-12 16:06:48,947 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 40 transitions. Word has length 29 [2020-10-12 16:06:48,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:06:48,948 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 40 transitions. [2020-10-12 16:06:48,948 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 16:06:48,948 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 40 transitions. [2020-10-12 16:06:48,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-10-12 16:06:48,949 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:06:48,949 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:06:48,949 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 16:06:48,950 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:06:48,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:06:48,950 INFO L82 PathProgramCache]: Analyzing trace with hash -1024935854, now seen corresponding path program 5 times [2020-10-12 16:06:48,950 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:06:48,951 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [491147062] [2020-10-12 16:06:48,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:06:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:48,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:49,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:49,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 50 [2020-10-12 16:06:49,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:49,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 115 [2020-10-12 16:06:49,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:49,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:06:49,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:06:49,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 34 [2020-10-12 16:06:49,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:49,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:06:49,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:49,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:49,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:49,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:06:49,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:49,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:49,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:49,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:06:49,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:49,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:06:49,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:49,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 16:06:49,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:49,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:49,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:49,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:49,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:49,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:06:49,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:49,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:49,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:49,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:49,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:49,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:06:49,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:49,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:49,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:49,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:49,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:49,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:06:49,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:49,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:49,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:49,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:49,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:49,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 16:06:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:49,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:49,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:49,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:49,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:49,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:06:49,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:49,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:49,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:49,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:49,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:49,184 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-12 16:06:49,184 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [491147062] [2020-10-12 16:06:49,184 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:06:49,184 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-12 16:06:49,185 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744066494] [2020-10-12 16:06:49,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 16:06:49,185 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:06:49,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 16:06:49,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2020-10-12 16:06:49,186 INFO L87 Difference]: Start difference. First operand 39 states and 40 transitions. Second operand 11 states. [2020-10-12 16:06:49,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:06:49,315 INFO L93 Difference]: Finished difference Result 60 states and 65 transitions. [2020-10-12 16:06:49,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 16:06:49,316 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 36 [2020-10-12 16:06:49,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:06:49,317 INFO L225 Difference]: With dead ends: 60 [2020-10-12 16:06:49,317 INFO L226 Difference]: Without dead ends: 40 [2020-10-12 16:06:49,318 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 [2020-10-12 16:06:49,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2020-10-12 16:06:49,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2020-10-12 16:06:49,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2020-10-12 16:06:49,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 41 transitions. [2020-10-12 16:06:49,325 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 41 transitions. Word has length 36 [2020-10-12 16:06:49,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:06:49,325 INFO L479 AbstractCegarLoop]: Abstraction has 40 states and 41 transitions. [2020-10-12 16:06:49,325 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 16:06:49,326 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 41 transitions. [2020-10-12 16:06:49,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-12 16:06:49,327 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:06:49,327 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:06:49,327 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 16:06:49,327 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:06:49,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:06:49,328 INFO L82 PathProgramCache]: Analyzing trace with hash 505405977, now seen corresponding path program 6 times [2020-10-12 16:06:49,328 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:06:49,328 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [163282691] [2020-10-12 16:06:49,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:06:49,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:49,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:49,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:49,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 51 [2020-10-12 16:06:49,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:49,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 116 [2020-10-12 16:06:49,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:49,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 16:06:49,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:06:49,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 16:06:49,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:49,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:06:49,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:49,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:49,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:49,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:06:49,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:49,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:49,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:49,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:06:49,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:49,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:06:49,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:49,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:06:49,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:49,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:49,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:49,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:49,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:49,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:06:49,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:49,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:49,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:49,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:49,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:49,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 16:06:49,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:49,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:49,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:49,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:49,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:49,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:06:49,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:49,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:49,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:49,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:49,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:49,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:06:49,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:49,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:49,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:49,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:49,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:49,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 16:06:49,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:49,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:49,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:49,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:49,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:49,547 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 16 proven. 15 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-12 16:06:49,548 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [163282691] [2020-10-12 16:06:49,548 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:06:49,548 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-12 16:06:49,549 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340985736] [2020-10-12 16:06:49,549 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 16:06:49,549 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:06:49,550 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 16:06:49,550 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2020-10-12 16:06:49,550 INFO L87 Difference]: Start difference. First operand 40 states and 41 transitions. Second operand 9 states. [2020-10-12 16:06:49,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:06:49,621 INFO L93 Difference]: Finished difference Result 53 states and 55 transitions. [2020-10-12 16:06:49,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 16:06:49,621 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 37 [2020-10-12 16:06:49,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:06:49,622 INFO L225 Difference]: With dead ends: 53 [2020-10-12 16:06:49,622 INFO L226 Difference]: Without dead ends: 51 [2020-10-12 16:06:49,623 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 [2020-10-12 16:06:49,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-10-12 16:06:49,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 47. [2020-10-12 16:06:49,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-10-12 16:06:49,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 48 transitions. [2020-10-12 16:06:49,630 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 48 transitions. Word has length 37 [2020-10-12 16:06:49,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:06:49,630 INFO L479 AbstractCegarLoop]: Abstraction has 47 states and 48 transitions. [2020-10-12 16:06:49,630 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 16:06:49,631 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 48 transitions. [2020-10-12 16:06:49,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2020-10-12 16:06:49,632 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:06:49,632 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:06:49,632 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 16:06:49,632 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:06:49,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:06:49,633 INFO L82 PathProgramCache]: Analyzing trace with hash 1929520721, now seen corresponding path program 7 times [2020-10-12 16:06:49,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:06:49,633 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1956756139] [2020-10-12 16:06:49,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:06:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:49,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:49,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:49,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 60 [2020-10-12 16:06:49,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:49,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 145 [2020-10-12 16:06:49,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:49,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 16:06:49,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:06:49,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 44 [2020-10-12 16:06:49,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:49,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:06:49,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:49,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:49,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:49,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:06:49,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:49,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:49,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:49,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:06:49,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:49,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:06:49,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:49,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:06:49,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:49,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:49,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:49,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:49,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:49,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:06:49,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:49,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:49,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:49,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:49,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:49,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 16:06:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:49,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:49,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:49,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:49,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:49,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:06:49,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:49,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:49,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:49,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:49,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:49,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:06:49,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:49,904 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:49,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:49,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:49,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:49,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:06:49,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:49,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:49,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:49,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:49,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:49,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 16:06:49,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:49,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:49,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:49,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:49,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:49,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:06:49,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:49,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:49,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:49,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:49,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:49,920 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 34 proven. 10 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-12 16:06:49,920 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1956756139] [2020-10-12 16:06:49,920 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:06:49,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 16:06:49,921 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868192288] [2020-10-12 16:06:49,921 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 16:06:49,921 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:06:49,922 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 16:06:49,922 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-10-12 16:06:49,922 INFO L87 Difference]: Start difference. First operand 47 states and 48 transitions. Second operand 13 states. [2020-10-12 16:06:50,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:06:50,073 INFO L93 Difference]: Finished difference Result 71 states and 77 transitions. [2020-10-12 16:06:50,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 16:06:50,074 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 44 [2020-10-12 16:06:50,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:06:50,075 INFO L225 Difference]: With dead ends: 71 [2020-10-12 16:06:50,075 INFO L226 Difference]: Without dead ends: 48 [2020-10-12 16:06:50,076 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 [2020-10-12 16:06:50,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-10-12 16:06:50,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2020-10-12 16:06:50,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-10-12 16:06:50,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 49 transitions. [2020-10-12 16:06:50,083 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 49 transitions. Word has length 44 [2020-10-12 16:06:50,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:06:50,084 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 49 transitions. [2020-10-12 16:06:50,084 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 16:06:50,084 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 49 transitions. [2020-10-12 16:06:50,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-10-12 16:06:50,085 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:06:50,085 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:06:50,085 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 16:06:50,086 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:06:50,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:06:50,086 INFO L82 PathProgramCache]: Analyzing trace with hash -567109352, now seen corresponding path program 8 times [2020-10-12 16:06:50,086 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:06:50,086 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1164493409] [2020-10-12 16:06:50,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:06:50,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:50,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:50,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:50,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 16:06:50,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:50,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 205 [2020-10-12 16:06:50,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:50,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 16:06:50,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:06:50,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-12 16:06:50,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:50,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:06:50,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:50,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:50,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:50,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:06:50,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:50,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:50,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:50,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:06:50,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:50,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:06:50,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 16:06:50,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 16:06:50,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:50,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:50,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:50,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:50,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:50,400 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:06:50,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:50,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:50,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:50,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:50,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:06:50,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 16:06:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:50,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:50,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:50,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:50,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:50,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:06:50,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:50,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:50,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:50,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:50,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:06:50,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 16:06:50,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:50,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:50,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:50,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:50,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:50,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:06:50,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:50,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:50,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:50,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:50,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:06:50,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 16:06:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:50,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:50,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:50,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:50,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:50,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:06:50,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:50,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:50,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:50,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:50,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:50,441 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 23 proven. 26 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-12 16:06:50,442 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1164493409] [2020-10-12 16:06:50,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:06:50,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-12 16:06:50,443 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426281929] [2020-10-12 16:06:50,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 16:06:50,445 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:06:50,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 16:06:50,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-10-12 16:06:50,446 INFO L87 Difference]: Start difference. First operand 48 states and 49 transitions. Second operand 10 states. [2020-10-12 16:06:50,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:06:50,544 INFO L93 Difference]: Finished difference Result 61 states and 63 transitions. [2020-10-12 16:06:50,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 16:06:50,544 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 45 [2020-10-12 16:06:50,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:06:50,546 INFO L225 Difference]: With dead ends: 61 [2020-10-12 16:06:50,547 INFO L226 Difference]: Without dead ends: 59 [2020-10-12 16:06:50,548 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 [2020-10-12 16:06:50,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-10-12 16:06:50,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 55. [2020-10-12 16:06:50,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-12 16:06:50,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 56 transitions. [2020-10-12 16:06:50,560 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 56 transitions. Word has length 45 [2020-10-12 16:06:50,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:06:50,561 INFO L479 AbstractCegarLoop]: Abstraction has 55 states and 56 transitions. [2020-10-12 16:06:50,561 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 16:06:50,561 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 56 transitions. [2020-10-12 16:06:50,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-12 16:06:50,565 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:06:50,565 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:06:50,565 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 16:06:50,565 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:06:50,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:06:50,566 INFO L82 PathProgramCache]: Analyzing trace with hash 1776444018, now seen corresponding path program 9 times [2020-10-12 16:06:50,566 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:06:50,566 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1020407825] [2020-10-12 16:06:50,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:06:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:50,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:50,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:50,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-12 16:06:50,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:50,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 232 [2020-10-12 16:06:50,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:50,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 16:06:50,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:06:50,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 54 [2020-10-12 16:06:50,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:50,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:06:50,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:50,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:50,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:50,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:06:50,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:50,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:50,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:50,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:06:50,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:50,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:06:50,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:50,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 16:06:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:50,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:50,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:50,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:50,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:50,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:06:50,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:50,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:50,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:50,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:50,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:50,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 16:06:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:50,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:50,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:50,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:50,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:50,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:06:50,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:50,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:50,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:50,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:50,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 16 [2020-10-12 16:06:50,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 16:06:50,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:50,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:50,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:50,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:50,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:50,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:06:50,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:50,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:50,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:50,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:50,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:50,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 16:06:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:50,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:50,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:50,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:50,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:50,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:06:50,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:50,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:50,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:50,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:50,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:50,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:06:50,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:50,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:50,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:50,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:50,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:50,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:50,993 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:50,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:50,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:50,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:50,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:50,999 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 50 proven. 15 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-12 16:06:50,999 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1020407825] [2020-10-12 16:06:50,999 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:06:51,000 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-12 16:06:51,000 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656012230] [2020-10-12 16:06:51,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-12 16:06:51,001 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:06:51,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-12 16:06:51,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2020-10-12 16:06:51,001 INFO L87 Difference]: Start difference. First operand 55 states and 56 transitions. Second operand 15 states. [2020-10-12 16:06:51,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:06:51,185 INFO L93 Difference]: Finished difference Result 82 states and 89 transitions. [2020-10-12 16:06:51,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 16:06:51,186 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 52 [2020-10-12 16:06:51,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:06:51,187 INFO L225 Difference]: With dead ends: 82 [2020-10-12 16:06:51,187 INFO L226 Difference]: Without dead ends: 56 [2020-10-12 16:06:51,188 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 [2020-10-12 16:06:51,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-10-12 16:06:51,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2020-10-12 16:06:51,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2020-10-12 16:06:51,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 57 transitions. [2020-10-12 16:06:51,195 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 57 transitions. Word has length 52 [2020-10-12 16:06:51,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:06:51,195 INFO L479 AbstractCegarLoop]: Abstraction has 56 states and 57 transitions. [2020-10-12 16:06:51,195 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-12 16:06:51,195 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 57 transitions. [2020-10-12 16:06:51,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-12 16:06:51,196 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:06:51,196 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:06:51,197 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 16:06:51,197 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:06:51,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:06:51,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1605574201, now seen corresponding path program 10 times [2020-10-12 16:06:51,197 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:06:51,198 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1693703004] [2020-10-12 16:06:51,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:06:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:51,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:51,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:51,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 71 [2020-10-12 16:06:51,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:51,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 233 [2020-10-12 16:06:51,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:51,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 16:06:51,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:06:51,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-12 16:06:51,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:51,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:06:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:51,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:51,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:51,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:06:51,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:51,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:51,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:51,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:06:51,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:51,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:06:51,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:51,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 16:06:51,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:51,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:51,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:51,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:51,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:51,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:51,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:51,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:51,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:51,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:51,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:51,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 16:06:51,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:51,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:51,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:51,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:51,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:51,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:51,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:51,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:51,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:51,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:51,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:51,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 16:06:51,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:51,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:51,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:51,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:51,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:51,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:06:51,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:51,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:51,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:51,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:51,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:51,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 16:06:51,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:51,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:51,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:51,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:51,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:51,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:06:51,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:51,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:51,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:51,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:51,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:06:51,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 16:06:51,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:51,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:51,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:51,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:51,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:51,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:06:51,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:51,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:51,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:51,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:51,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:51,575 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 31 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-12 16:06:51,575 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1693703004] [2020-10-12 16:06:51,576 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:06:51,576 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-12 16:06:51,576 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [370365769] [2020-10-12 16:06:51,577 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 16:06:51,577 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:06:51,577 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 16:06:51,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-10-12 16:06:51,578 INFO L87 Difference]: Start difference. First operand 56 states and 57 transitions. Second operand 11 states. [2020-10-12 16:06:51,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:06:51,668 INFO L93 Difference]: Finished difference Result 69 states and 71 transitions. [2020-10-12 16:06:51,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 16:06:51,668 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 53 [2020-10-12 16:06:51,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:06:51,669 INFO L225 Difference]: With dead ends: 69 [2020-10-12 16:06:51,670 INFO L226 Difference]: Without dead ends: 67 [2020-10-12 16:06:51,670 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 [2020-10-12 16:06:51,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-10-12 16:06:51,681 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2020-10-12 16:06:51,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-10-12 16:06:51,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 64 transitions. [2020-10-12 16:06:51,683 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 64 transitions. Word has length 53 [2020-10-12 16:06:51,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:06:51,685 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 64 transitions. [2020-10-12 16:06:51,685 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 16:06:51,685 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 64 transitions. [2020-10-12 16:06:51,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-10-12 16:06:51,687 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:06:51,687 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:06:51,687 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 16:06:51,688 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:06:51,688 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:06:51,688 INFO L82 PathProgramCache]: Analyzing trace with hash -1732704719, now seen corresponding path program 11 times [2020-10-12 16:06:51,688 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:06:51,689 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1699909777] [2020-10-12 16:06:51,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:06:51,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:51,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:51,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:51,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-12 16:06:51,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:51,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 295 [2020-10-12 16:06:51,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:51,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-12 16:06:51,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:06:51,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 64 [2020-10-12 16:06:52,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:52,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:06:52,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:52,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:52,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:52,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:06:52,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:52,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:52,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:52,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:06:52,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:52,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:06:52,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:52,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 16:06:52,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:52,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:52,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:52,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:52,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:52,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:06:52,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:52,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:52,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:52,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:52,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:52,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 16:06:52,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:52,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:52,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:52,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:52,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:52,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:06:52,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:52,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:52,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:52,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:52,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:52,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 16:06:52,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:52,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:52,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:52,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:52,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:52,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:06:52,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:52,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:52,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:52,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:52,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:52,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 16:06:52,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:52,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:52,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:52,186 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:52,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:52,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:52,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:52,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:52,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:52,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:52,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:52,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 16:06:52,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:52,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:52,199 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:52,199 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:52,200 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:52,200 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:06:52,200 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:52,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:52,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:52,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:52,201 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:06:52,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 16:06:52,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:52,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:52,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:52,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:52,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:52,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:06:52,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:52,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:52,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:52,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:52,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:06:52,225 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 69 proven. 21 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-12 16:06:52,226 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1699909777] [2020-10-12 16:06:52,226 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:06:52,226 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-12 16:06:52,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985765704] [2020-10-12 16:06:52,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-12 16:06:52,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:06:52,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-12 16:06:52,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2020-10-12 16:06:52,230 INFO L87 Difference]: Start difference. First operand 63 states and 64 transitions. Second operand 17 states. [2020-10-12 16:06:52,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:06:52,535 INFO L93 Difference]: Finished difference Result 93 states and 101 transitions. [2020-10-12 16:06:52,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-12 16:06:52,536 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 60 [2020-10-12 16:06:52,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:06:52,538 INFO L225 Difference]: With dead ends: 93 [2020-10-12 16:06:52,539 INFO L226 Difference]: Without dead ends: 64 [2020-10-12 16:06:52,541 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 [2020-10-12 16:06:52,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-10-12 16:06:52,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2020-10-12 16:06:52,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2020-10-12 16:06:52,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 65 transitions. [2020-10-12 16:06:52,564 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 65 transitions. Word has length 60 [2020-10-12 16:06:52,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:06:52,565 INFO L479 AbstractCegarLoop]: Abstraction has 64 states and 65 transitions. [2020-10-12 16:06:52,565 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-12 16:06:52,565 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 65 transitions. [2020-10-12 16:06:52,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-12 16:06:52,569 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:06:52,569 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:06:52,569 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 16:06:52,569 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:06:52,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:06:52,572 INFO L82 PathProgramCache]: Analyzing trace with hash -53409032, now seen corresponding path program 12 times [2020-10-12 16:06:52,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:06:52,573 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [755095826] [2020-10-12 16:06:52,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:06:52,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:52,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:52,897 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:52,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81 [2020-10-12 16:06:52,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:52,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 309 [2020-10-12 16:06:52,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:52,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 16:06:52,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:06:52,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-12 16:06:52,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:52,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:06:52,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:52,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:52,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:52,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:06:52,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:52,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:06:52,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:52,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:06:52,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:52,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:06:52,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:52,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 16:06:52,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:52,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:52,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:52,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:52,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:52,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:06:52,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:52,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:52,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:52,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:52,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:52,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 16:06:52,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:52,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:53,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:53,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:53,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:53,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:53,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:53,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:53,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:53,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:53,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:53,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 16:06:53,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:53,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:53,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:53,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:53,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:53,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:53,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:53,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:53,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:53,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:53,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:53,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 16:06:53,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:53,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:53,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:53,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:53,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:53,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:53,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:53,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:53,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:53,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:53,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:53,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 16:06:53,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:53,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:53,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:53,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:53,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:53,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:06:53,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:53,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:53,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:53,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:53,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:53,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:06:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:53,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:53,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:53,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:53,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:53,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:53,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:53,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:53,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:53,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:53,029 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:53,034 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 40 proven. 57 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-12 16:06:53,034 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [755095826] [2020-10-12 16:06:53,034 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:06:53,035 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 16:06:53,035 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906799040] [2020-10-12 16:06:53,035 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 16:06:53,035 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:06:53,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 16:06:53,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2020-10-12 16:06:53,036 INFO L87 Difference]: Start difference. First operand 64 states and 65 transitions. Second operand 12 states. [2020-10-12 16:06:53,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:06:53,121 INFO L93 Difference]: Finished difference Result 77 states and 79 transitions. [2020-10-12 16:06:53,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 16:06:53,121 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 61 [2020-10-12 16:06:53,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:06:53,123 INFO L225 Difference]: With dead ends: 77 [2020-10-12 16:06:53,123 INFO L226 Difference]: Without dead ends: 75 [2020-10-12 16:06:53,123 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 [2020-10-12 16:06:53,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-10-12 16:06:53,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 71. [2020-10-12 16:06:53,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-12 16:06:53,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 72 transitions. [2020-10-12 16:06:53,129 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 72 transitions. Word has length 61 [2020-10-12 16:06:53,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:06:53,130 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 72 transitions. [2020-10-12 16:06:53,130 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 16:06:53,130 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 72 transitions. [2020-10-12 16:06:53,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-10-12 16:06:53,131 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:06:53,131 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:06:53,131 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-12 16:06:53,131 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:06:53,132 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:06:53,132 INFO L82 PathProgramCache]: Analyzing trace with hash -2024139630, now seen corresponding path program 13 times [2020-10-12 16:06:53,132 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:06:53,132 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1738978644] [2020-10-12 16:06:53,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:06:53,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:53,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:53,427 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:53,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-12 16:06:53,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:53,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 282 [2020-10-12 16:06:53,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:53,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-12 16:06:53,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:06:53,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 74 [2020-10-12 16:06:53,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:53,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:06:53,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:53,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:53,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:53,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:06:53,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:53,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:53,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:53,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:06:53,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:53,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:06:53,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:53,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 16:06:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:53,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:53,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:53,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:53,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:53,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:06:53,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:53,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:53,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:53,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:53,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:53,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 16:06:53,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:53,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:53,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:53,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:53,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:53,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:53,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:53,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:53,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:53,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:53,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:53,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 16:06:53,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:53,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:53,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:53,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:53,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:53,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:53,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:53,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:53,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:53,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:53,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:53,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 16:06:53,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:53,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:53,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:53,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:53,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:53,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:53,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:53,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:53,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:53,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:53,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:53,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 16:06:53,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:53,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:53,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:53,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:53,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:53,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:06:53,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:53,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:53,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:53,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:53,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:53,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:06:53,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:53,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:53,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:53,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:53,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:53,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:53,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:53,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:53,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:53,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:53,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:53,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 16:06:53,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:53,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:53,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:53,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:53,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:53,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:06:53,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:53,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:53,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:53,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:53,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:53,674 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 91 proven. 28 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-12 16:06:53,675 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1738978644] [2020-10-12 16:06:53,675 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:06:53,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-12 16:06:53,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589235946] [2020-10-12 16:06:53,676 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-12 16:06:53,676 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:06:53,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-12 16:06:53,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=251, Unknown=0, NotChecked=0, Total=342 [2020-10-12 16:06:53,677 INFO L87 Difference]: Start difference. First operand 71 states and 72 transitions. Second operand 19 states. [2020-10-12 16:06:53,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:06:53,955 INFO L93 Difference]: Finished difference Result 104 states and 113 transitions. [2020-10-12 16:06:53,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-12 16:06:53,955 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 68 [2020-10-12 16:06:53,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:06:53,956 INFO L225 Difference]: With dead ends: 104 [2020-10-12 16:06:53,957 INFO L226 Difference]: Without dead ends: 72 [2020-10-12 16:06:53,958 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 [2020-10-12 16:06:53,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2020-10-12 16:06:53,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2020-10-12 16:06:53,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-10-12 16:06:53,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 73 transitions. [2020-10-12 16:06:53,964 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 73 transitions. Word has length 68 [2020-10-12 16:06:53,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:06:53,965 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 73 transitions. [2020-10-12 16:06:53,965 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-12 16:06:53,965 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 73 transitions. [2020-10-12 16:06:53,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-12 16:06:53,966 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:06:53,966 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:06:53,966 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-12 16:06:53,966 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:06:53,967 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:06:53,967 INFO L82 PathProgramCache]: Analyzing trace with hash -1503632807, now seen corresponding path program 14 times [2020-10-12 16:06:53,967 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:06:53,967 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2097950380] [2020-10-12 16:06:53,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:06:53,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:53,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:54,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:54,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-12 16:06:54,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:54,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 325 [2020-10-12 16:06:54,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:54,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 16:06:54,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:06:54,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-12 16:06:54,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:54,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:06:54,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:54,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:54,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:54,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:06:54,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:54,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:06:54,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:54,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:06:54,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:54,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:06:54,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:54,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 16:06:54,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:54,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:54,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:54,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:54,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:54,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:54,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:54,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:54,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:54,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:54,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:54,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:06:54,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:54,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:54,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:54,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:54,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:54,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:54,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:54,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:54,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:54,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:54,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:54,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 16:06:54,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:54,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:54,431 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:54,431 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:54,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:54,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:54,432 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:54,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:54,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:54,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:54,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:54,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 16:06:54,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:54,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:54,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:54,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:54,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:54,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:54,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:54,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:54,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:54,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:54,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:54,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 16:06:54,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:54,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:54,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:54,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:54,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:54,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:54,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:54,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:54,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:54,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:54,444 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:54,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 16:06:54,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:54,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:54,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:54,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:54,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:54,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:54,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:54,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:54,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:54,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:54,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:54,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 16:06:54,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:54,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:54,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:54,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:54,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:54,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:54,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:54,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:54,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:54,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:54,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:54,462 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 50 proven. 77 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-12 16:06:54,463 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2097950380] [2020-10-12 16:06:54,463 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:06:54,463 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 16:06:54,463 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479389248] [2020-10-12 16:06:54,464 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 16:06:54,464 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:06:54,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 16:06:54,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2020-10-12 16:06:54,465 INFO L87 Difference]: Start difference. First operand 72 states and 73 transitions. Second operand 13 states. [2020-10-12 16:06:54,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:06:54,562 INFO L93 Difference]: Finished difference Result 85 states and 87 transitions. [2020-10-12 16:06:54,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 16:06:54,562 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 69 [2020-10-12 16:06:54,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:06:54,563 INFO L225 Difference]: With dead ends: 85 [2020-10-12 16:06:54,564 INFO L226 Difference]: Without dead ends: 83 [2020-10-12 16:06:54,564 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 [2020-10-12 16:06:54,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-10-12 16:06:54,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 79. [2020-10-12 16:06:54,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-10-12 16:06:54,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 80 transitions. [2020-10-12 16:06:54,570 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 80 transitions. Word has length 69 [2020-10-12 16:06:54,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:06:54,571 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 80 transitions. [2020-10-12 16:06:54,571 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 16:06:54,571 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 80 transitions. [2020-10-12 16:06:54,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-10-12 16:06:54,572 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:06:54,572 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:06:54,572 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-12 16:06:54,572 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:06:54,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:06:54,573 INFO L82 PathProgramCache]: Analyzing trace with hash -1317216751, now seen corresponding path program 15 times [2020-10-12 16:06:54,573 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:06:54,573 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [59825666] [2020-10-12 16:06:54,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:06:54,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:54,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:54,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:54,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 100 [2020-10-12 16:06:54,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:54,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 361 [2020-10-12 16:06:54,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:54,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-12 16:06:54,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:06:54,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 84 [2020-10-12 16:06:54,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:55,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:06:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:55,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:55,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:55,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:06:55,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:55,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:55,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:55,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:06:55,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:55,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:06:55,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:55,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 16:06:55,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:55,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:55,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:55,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:55,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:55,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:06:55,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:55,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:55,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:55,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:55,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:55,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:06:55,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:55,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:55,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:55,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:55,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:55,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:06:55,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:55,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:55,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:55,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:55,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:55,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 16:06:55,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:55,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:55,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:55,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:55,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:55,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:55,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:55,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:55,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:55,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:55,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:55,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 16:06:55,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:55,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:55,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:55,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:55,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:55,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:55,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:55,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:55,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:55,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:55,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:55,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 16:06:55,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:55,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:55,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:55,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:55,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:55,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:55,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:55,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:55,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:55,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:55,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:55,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 16:06:55,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:55,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:55,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:55,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:55,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:55,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:55,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:55,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:55,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:55,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:55,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:55,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 16:06:55,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:55,207 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:55,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:55,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:55,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:55,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:55,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:55,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:55,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:55,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:55,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:55,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 16:06:55,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:55,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:55,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:55,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:55,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:55,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:55,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:55,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:55,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:55,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:55,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:55,226 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 116 proven. 36 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-12 16:06:55,226 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [59825666] [2020-10-12 16:06:55,226 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:06:55,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-12 16:06:55,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846259413] [2020-10-12 16:06:55,227 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-12 16:06:55,227 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:06:55,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-12 16:06:55,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=309, Unknown=0, NotChecked=0, Total=420 [2020-10-12 16:06:55,228 INFO L87 Difference]: Start difference. First operand 79 states and 80 transitions. Second operand 21 states. [2020-10-12 16:06:55,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:06:55,559 INFO L93 Difference]: Finished difference Result 115 states and 125 transitions. [2020-10-12 16:06:55,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-12 16:06:55,560 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 76 [2020-10-12 16:06:55,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:06:55,561 INFO L225 Difference]: With dead ends: 115 [2020-10-12 16:06:55,561 INFO L226 Difference]: Without dead ends: 80 [2020-10-12 16:06:55,562 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 [2020-10-12 16:06:55,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-10-12 16:06:55,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2020-10-12 16:06:55,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2020-10-12 16:06:55,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 81 transitions. [2020-10-12 16:06:55,569 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 81 transitions. Word has length 76 [2020-10-12 16:06:55,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:06:55,570 INFO L479 AbstractCegarLoop]: Abstraction has 80 states and 81 transitions. [2020-10-12 16:06:55,570 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-12 16:06:55,570 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 81 transitions. [2020-10-12 16:06:55,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-10-12 16:06:55,571 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:06:55,571 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:06:55,571 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-12 16:06:55,571 INFO L427 AbstractCegarLoop]: === Iteration 18 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:06:55,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:06:55,572 INFO L82 PathProgramCache]: Analyzing trace with hash 1092121816, now seen corresponding path program 16 times [2020-10-12 16:06:55,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:06:55,572 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [964722887] [2020-10-12 16:06:55,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:06:55,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:55,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:55,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:55,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-12 16:06:55,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:55,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 351 [2020-10-12 16:06:55,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:55,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 16:06:55,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:06:55,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-12 16:06:55,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:56,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:06:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:56,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:56,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:56,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:06:56,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:56,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:06:56,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:56,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:06:56,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:56,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:06:56,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:56,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 16:06:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:56,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:56,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:56,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:56,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:56,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:56,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:56,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:56,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:56,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:56,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:56,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 16:06:56,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:56,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:56,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:56,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:56,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:56,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:56,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:56,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:56,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:56,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:56,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:56,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 16:06:56,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:56,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:56,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:56,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:56,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:56,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:56,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:56,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:56,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:56,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:56,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:56,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 16:06:56,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:56,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:56,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:56,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:56,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:56,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:56,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:56,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:56,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:56,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:56,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:06:56,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 16:06:56,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:56,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:56,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:56,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:56,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:56,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:56,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:56,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:56,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:56,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:56,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:06:56,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-12 16:06:56,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:56,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:56,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:56,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:56,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:56,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:56,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:56,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:56,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:56,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:56,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:56,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:06:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:56,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:56,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:56,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:56,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:56,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:56,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:56,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:56,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:56,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:56,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:56,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-12 16:06:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:56,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:56,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:56,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:56,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:56,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:56,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:56,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:56,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:56,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:56,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:56,129 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 61 proven. 100 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-12 16:06:56,129 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [964722887] [2020-10-12 16:06:56,129 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:06:56,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-12 16:06:56,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720941783] [2020-10-12 16:06:56,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 16:06:56,130 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:06:56,131 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 16:06:56,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2020-10-12 16:06:56,131 INFO L87 Difference]: Start difference. First operand 80 states and 81 transitions. Second operand 14 states. [2020-10-12 16:06:56,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:06:56,231 INFO L93 Difference]: Finished difference Result 93 states and 95 transitions. [2020-10-12 16:06:56,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 16:06:56,232 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 77 [2020-10-12 16:06:56,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:06:56,233 INFO L225 Difference]: With dead ends: 93 [2020-10-12 16:06:56,233 INFO L226 Difference]: Without dead ends: 91 [2020-10-12 16:06:56,234 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 [2020-10-12 16:06:56,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-10-12 16:06:56,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 87. [2020-10-12 16:06:56,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-10-12 16:06:56,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 88 transitions. [2020-10-12 16:06:56,240 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 88 transitions. Word has length 77 [2020-10-12 16:06:56,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:06:56,240 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 88 transitions. [2020-10-12 16:06:56,240 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 16:06:56,240 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 88 transitions. [2020-10-12 16:06:56,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-12 16:06:56,241 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:06:56,241 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:06:56,241 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-12 16:06:56,242 INFO L427 AbstractCegarLoop]: === Iteration 19 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:06:56,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:06:56,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1973538482, now seen corresponding path program 17 times [2020-10-12 16:06:56,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:06:56,242 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [283942149] [2020-10-12 16:06:56,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:06:56,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:56,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:56,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:56,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 110 [2020-10-12 16:06:56,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:56,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 384 [2020-10-12 16:06:56,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:56,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-12 16:06:56,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:06:56,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-12 16:06:56,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:56,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:06:56,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:56,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:56,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:56,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:06:56,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:56,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:06:56,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:56,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:06:56,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:56,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:06:56,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:56,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 16:06:56,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:56,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:56,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:56,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:56,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:56,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:56,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:56,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:56,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:56,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:56,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:56,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 16:06:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:56,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:56,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:56,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:56,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:56,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:56,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:56,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:56,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:56,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:56,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:56,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 16:06:56,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:56,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:56,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:56,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:56,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:56,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:56,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:56,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:56,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:56,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:56,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:56,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 16:06:56,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:56,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:56,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:56,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:56,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:56,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:56,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:56,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:56,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:56,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:56,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:56,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 16:06:56,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:56,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:56,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:56,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:56,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:56,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:56,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:56,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:56,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:56,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:56,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:56,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-12 16:06:56,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:56,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:56,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:56,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:56,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:56,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:56,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:56,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:56,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:56,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:56,927 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:56,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:06:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:56,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:56,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:56,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:56,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:56,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:56,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:56,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:56,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:56,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:56,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:56,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-12 16:06:56,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:56,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:56,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:56,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:56,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:56,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:56,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:56,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:56,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:56,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:56,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:56,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 16:06:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:56,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:56,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:56,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:56,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:56,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:56,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:56,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:56,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:56,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:56,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:56,973 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 144 proven. 45 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-12 16:06:56,974 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [283942149] [2020-10-12 16:06:56,974 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:06:56,974 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-12 16:06:56,974 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190986000] [2020-10-12 16:06:56,975 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-12 16:06:56,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:06:56,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-12 16:06:56,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=373, Unknown=0, NotChecked=0, Total=506 [2020-10-12 16:06:56,976 INFO L87 Difference]: Start difference. First operand 87 states and 88 transitions. Second operand 23 states. [2020-10-12 16:06:57,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:06:57,359 INFO L93 Difference]: Finished difference Result 126 states and 137 transitions. [2020-10-12 16:06:57,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-12 16:06:57,360 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 84 [2020-10-12 16:06:57,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:06:57,361 INFO L225 Difference]: With dead ends: 126 [2020-10-12 16:06:57,361 INFO L226 Difference]: Without dead ends: 88 [2020-10-12 16:06:57,362 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 [2020-10-12 16:06:57,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-10-12 16:06:57,368 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2020-10-12 16:06:57,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-10-12 16:06:57,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 89 transitions. [2020-10-12 16:06:57,369 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 89 transitions. Word has length 84 [2020-10-12 16:06:57,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:06:57,369 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 89 transitions. [2020-10-12 16:06:57,370 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-12 16:06:57,370 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 89 transitions. [2020-10-12 16:06:57,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2020-10-12 16:06:57,370 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:06:57,371 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:06:57,371 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-12 16:06:57,371 INFO L427 AbstractCegarLoop]: === Iteration 20 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:06:57,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:06:57,371 INFO L82 PathProgramCache]: Analyzing trace with hash -1803964807, now seen corresponding path program 18 times [2020-10-12 16:06:57,372 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:06:57,372 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1890421098] [2020-10-12 16:06:57,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:06:57,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:57,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:57,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:57,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-12 16:06:57,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:57,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 436 [2020-10-12 16:06:57,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:57,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 16:06:57,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:06:57,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-12 16:06:57,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:57,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:06:57,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:57,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:57,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:57,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:06:57,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:57,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:06:57,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:57,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:06:57,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:57,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:06:57,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:06:57,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:06:57,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:57,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:57,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:57,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:57,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:57,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:57,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:57,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:57,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:57,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:57,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:57,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 16:06:57,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:57,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:57,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:57,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:57,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:57,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:57,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:57,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:57,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:57,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:57,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:57,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:06:57,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:57,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:57,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:57,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:57,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:57,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:06:57,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:57,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:57,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:57,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:57,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:57,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 16:06:57,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:57,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:57,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:57,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:57,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:57,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:57,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:57,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:57,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:57,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:57,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:57,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 16:06:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:57,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:57,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:57,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:57,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:57,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:06:57,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:57,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:57,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:57,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:57,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:57,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 16:06:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:57,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:57,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:57,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:57,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:57,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:57,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:57,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:57,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:57,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:57,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:57,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 16:06:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:58,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:58,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:58,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:58,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:58,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:58,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:58,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:58,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:58,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:58,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:58,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 16:06:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:58,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:58,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:58,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:58,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:58,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:06:58,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:58,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:58,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:58,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:58,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:06:58,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-12 16:06:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:58,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:58,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:58,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:58,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:58,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:58,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:58,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:58,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:58,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:58,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:58,033 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 73 proven. 126 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-12 16:06:58,033 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1890421098] [2020-10-12 16:06:58,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:06:58,034 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-12 16:06:58,047 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154444223] [2020-10-12 16:06:58,047 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-12 16:06:58,048 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:06:58,048 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-12 16:06:58,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=128, Unknown=0, NotChecked=0, Total=210 [2020-10-12 16:06:58,048 INFO L87 Difference]: Start difference. First operand 88 states and 89 transitions. Second operand 15 states. [2020-10-12 16:06:58,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:06:58,156 INFO L93 Difference]: Finished difference Result 101 states and 103 transitions. [2020-10-12 16:06:58,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 16:06:58,157 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 85 [2020-10-12 16:06:58,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:06:58,158 INFO L225 Difference]: With dead ends: 101 [2020-10-12 16:06:58,158 INFO L226 Difference]: Without dead ends: 99 [2020-10-12 16:06:58,159 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2020-10-12 16:06:58,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2020-10-12 16:06:58,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 95. [2020-10-12 16:06:58,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-10-12 16:06:58,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 96 transitions. [2020-10-12 16:06:58,165 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 96 transitions. Word has length 85 [2020-10-12 16:06:58,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:06:58,165 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 96 transitions. [2020-10-12 16:06:58,165 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-12 16:06:58,165 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 96 transitions. [2020-10-12 16:06:58,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-10-12 16:06:58,166 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:06:58,166 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:06:58,166 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-12 16:06:58,167 INFO L427 AbstractCegarLoop]: === Iteration 21 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:06:58,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:06:58,167 INFO L82 PathProgramCache]: Analyzing trace with hash 985378289, now seen corresponding path program 19 times [2020-10-12 16:06:58,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:06:58,168 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [659406837] [2020-10-12 16:06:58,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:06:58,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:58,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:58,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:58,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-12 16:06:58,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:58,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 451 [2020-10-12 16:06:58,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:58,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-12 16:06:58,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:06:58,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 104 [2020-10-12 16:06:58,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:58,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:06:58,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:58,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:58,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:58,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:06:58,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:58,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:06:58,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:58,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:06:58,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:58,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:06:58,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:58,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:06:58,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:58,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:58,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:58,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:58,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:58,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:58,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:58,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:58,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:58,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:58,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:58,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 16:06:58,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:58,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:58,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:58,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:58,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:58,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:58,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:58,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:58,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:58,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:58,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:58,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:06:58,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:58,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:58,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:58,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:58,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:58,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:58,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:58,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:58,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:58,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:58,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:58,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 16:06:58,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:58,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:58,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:58,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:58,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:58,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:58,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:58,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:58,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:58,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:58,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:58,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 16:06:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:58,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:58,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:58,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:58,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:58,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:58,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:58,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:58,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:58,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:58,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:58,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 16:06:58,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:58,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:58,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:58,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:58,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:58,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:58,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:58,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:58,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:58,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:58,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:58,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 16:06:58,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:58,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:58,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:58,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:58,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:58,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:58,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:58,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:58,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:58,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:58,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:58,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 16:06:58,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:58,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:58,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:58,941 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:58,941 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:58,941 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:58,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:58,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:58,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:58,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:58,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:58,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-12 16:06:58,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:58,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:58,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:58,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:58,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:58,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:58,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:58,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:58,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:58,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:58,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:58,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-12 16:06:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:58,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:58,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:58,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:58,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:58,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:58,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:58,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:58,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:58,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:58,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:58,964 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 175 proven. 55 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2020-10-12 16:06:58,964 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [659406837] [2020-10-12 16:06:58,965 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:06:58,965 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-12 16:06:58,965 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313393916] [2020-10-12 16:06:58,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-12 16:06:58,967 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:06:58,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-12 16:06:58,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2020-10-12 16:06:58,968 INFO L87 Difference]: Start difference. First operand 95 states and 96 transitions. Second operand 25 states. [2020-10-12 16:06:59,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:06:59,418 INFO L93 Difference]: Finished difference Result 137 states and 149 transitions. [2020-10-12 16:06:59,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-12 16:06:59,422 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 92 [2020-10-12 16:06:59,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:06:59,424 INFO L225 Difference]: With dead ends: 137 [2020-10-12 16:06:59,424 INFO L226 Difference]: Without dead ends: 96 [2020-10-12 16:06:59,425 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 [2020-10-12 16:06:59,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2020-10-12 16:06:59,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2020-10-12 16:06:59,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2020-10-12 16:06:59,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 97 transitions. [2020-10-12 16:06:59,432 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 97 transitions. Word has length 92 [2020-10-12 16:06:59,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:06:59,433 INFO L479 AbstractCegarLoop]: Abstraction has 96 states and 97 transitions. [2020-10-12 16:06:59,433 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-12 16:06:59,433 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 97 transitions. [2020-10-12 16:06:59,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-10-12 16:06:59,435 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:06:59,436 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:06:59,436 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-12 16:06:59,436 INFO L427 AbstractCegarLoop]: === Iteration 22 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:06:59,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:06:59,436 INFO L82 PathProgramCache]: Analyzing trace with hash 1886836408, now seen corresponding path program 20 times [2020-10-12 16:06:59,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:06:59,438 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [687758304] [2020-10-12 16:06:59,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:06:59,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:59,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:59,938 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:59,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-12 16:06:59,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:59,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 482 [2020-10-12 16:06:59,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:59,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 16:06:59,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:06:59,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-12 16:06:59,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:00,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:07:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:00,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:00,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:00,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:07:00,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:00,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:00,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:00,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:07:00,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:00,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:07:00,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:00,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 16:07:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:00,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:00,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:00,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:00,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:00,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:00,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:00,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:00,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:00,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:00,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:00,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:07:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:00,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:00,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:00,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:00,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:00,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:00,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:00,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:00,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:00,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:00,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:07:00,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 16:07:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:00,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:00,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:00,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:00,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:00,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:00,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:00,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:00,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:00,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:00,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:07:00,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 16:07:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:00,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:00,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:00,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:00,100 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:00,100 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:00,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:00,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:00,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:00,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:00,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 14 [2020-10-12 16:07:00,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 16:07:00,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:00,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:00,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:00,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:00,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:00,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:00,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:00,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:00,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:00,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:00,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:00,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 16:07:00,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:00,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:00,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:00,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:00,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:00,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:00,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:00,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:00,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:00,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:00,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:00,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 16:07:00,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:00,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:00,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:00,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:00,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:00,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:00,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:00,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:00,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:00,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:00,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:00,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:07:00,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:00,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:00,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:00,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:00,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:00,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:00,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:00,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:00,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:00,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:00,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:00,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 16:07:00,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:00,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:00,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:00,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:00,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:00,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:00,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:00,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:00,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:00,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:00,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:00,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 16:07:00,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:00,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:00,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:00,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:00,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:00,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:00,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:00,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:00,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:00,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:00,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:00,163 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 86 proven. 155 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2020-10-12 16:07:00,163 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [687758304] [2020-10-12 16:07:00,163 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:07:00,164 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-12 16:07:00,164 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814036652] [2020-10-12 16:07:00,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-12 16:07:00,165 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:07:00,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-12 16:07:00,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=145, Unknown=0, NotChecked=0, Total=240 [2020-10-12 16:07:00,165 INFO L87 Difference]: Start difference. First operand 96 states and 97 transitions. Second operand 16 states. [2020-10-12 16:07:00,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:07:00,292 INFO L93 Difference]: Finished difference Result 109 states and 111 transitions. [2020-10-12 16:07:00,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-12 16:07:00,293 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 93 [2020-10-12 16:07:00,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:07:00,294 INFO L225 Difference]: With dead ends: 109 [2020-10-12 16:07:00,294 INFO L226 Difference]: Without dead ends: 107 [2020-10-12 16:07:00,295 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 [2020-10-12 16:07:00,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2020-10-12 16:07:00,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 103. [2020-10-12 16:07:00,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-10-12 16:07:00,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 104 transitions. [2020-10-12 16:07:00,302 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 104 transitions. Word has length 93 [2020-10-12 16:07:00,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:07:00,302 INFO L479 AbstractCegarLoop]: Abstraction has 103 states and 104 transitions. [2020-10-12 16:07:00,302 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-12 16:07:00,303 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 104 transitions. [2020-10-12 16:07:00,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2020-10-12 16:07:00,304 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:07:00,304 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:07:00,305 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-12 16:07:00,305 INFO L427 AbstractCegarLoop]: === Iteration 23 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:07:00,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:07:00,305 INFO L82 PathProgramCache]: Analyzing trace with hash 395022546, now seen corresponding path program 21 times [2020-10-12 16:07:00,306 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:07:00,306 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [825190632] [2020-10-12 16:07:00,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:07:00,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:00,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:00,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:00,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 130 [2020-10-12 16:07:00,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:00,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 491 [2020-10-12 16:07:00,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:00,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-12 16:07:00,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:07:00,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 114 [2020-10-12 16:07:00,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:01,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:07:01,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:01,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:01,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:01,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:07:01,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:01,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:01,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:01,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:07:01,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:01,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:07:01,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:01,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 16:07:01,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:01,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:01,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:01,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:01,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:01,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:01,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:01,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:01,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:01,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:01,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:01,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:07:01,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:01,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:01,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:01,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:01,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:01,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 16:07:01,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:01,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:01,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:01,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:01,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:01,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 16:07:01,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:01,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:01,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:01,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:01,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:01,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:01,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:01,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:01,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:01,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:01,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:01,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 16:07:01,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:01,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:01,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:01,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:01,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:01,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:01,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:01,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:01,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:01,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:01,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:01,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 16:07:01,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:01,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:01,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:01,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:01,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:01,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:01,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:01,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:01,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:01,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:01,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:01,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 16:07:01,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:01,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:01,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:01,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:01,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:01,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:01,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:01,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:01,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:01,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:01,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:01,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 16:07:01,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:01,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:01,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:01,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:01,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:01,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:01,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:01,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:01,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:01,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:01,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:01,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:07:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:01,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:01,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:01,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:01,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:01,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:01,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:01,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:01,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:01,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:01,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:01,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 16:07:01,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:01,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:01,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:01,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:01,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:01,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:01,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:01,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:01,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:01,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:01,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:01,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 16:07:01,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:01,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:01,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:01,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:01,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:01,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:01,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:01,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:01,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:01,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:01,174 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:01,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 16:07:01,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:01,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:01,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:01,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:01,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:01,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:01,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:01,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:01,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:01,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:01,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:01,190 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 209 proven. 66 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-10-12 16:07:01,191 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [825190632] [2020-10-12 16:07:01,191 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:07:01,191 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-12 16:07:01,191 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133822745] [2020-10-12 16:07:01,192 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-12 16:07:01,192 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:07:01,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-12 16:07:01,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=519, Unknown=0, NotChecked=0, Total=702 [2020-10-12 16:07:01,193 INFO L87 Difference]: Start difference. First operand 103 states and 104 transitions. Second operand 27 states. [2020-10-12 16:07:01,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:07:01,687 INFO L93 Difference]: Finished difference Result 148 states and 161 transitions. [2020-10-12 16:07:01,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-12 16:07:01,688 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 100 [2020-10-12 16:07:01,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:07:01,689 INFO L225 Difference]: With dead ends: 148 [2020-10-12 16:07:01,689 INFO L226 Difference]: Without dead ends: 104 [2020-10-12 16:07:01,691 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=391, Invalid=1169, Unknown=0, NotChecked=0, Total=1560 [2020-10-12 16:07:01,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2020-10-12 16:07:01,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2020-10-12 16:07:01,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-10-12 16:07:01,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 105 transitions. [2020-10-12 16:07:01,700 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 105 transitions. Word has length 100 [2020-10-12 16:07:01,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:07:01,700 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 105 transitions. [2020-10-12 16:07:01,700 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-12 16:07:01,701 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 105 transitions. [2020-10-12 16:07:01,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2020-10-12 16:07:01,702 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:07:01,702 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:07:01,702 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-12 16:07:01,702 INFO L427 AbstractCegarLoop]: === Iteration 24 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:07:01,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:07:01,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1422983833, now seen corresponding path program 22 times [2020-10-12 16:07:01,703 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:07:01,703 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1203613570] [2020-10-12 16:07:01,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:07:01,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:01,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:02,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:02,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 131 [2020-10-12 16:07:02,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:02,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 725 [2020-10-12 16:07:02,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:02,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 16:07:02,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:07:02,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-12 16:07:02,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:07:02,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:07:02,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:02,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:02,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:02,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:07:02,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:02,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:02,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:02,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:07:02,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:02,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:07:02,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:02,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 16:07:02,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:02,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:02,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:02,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:02,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:02,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:02,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:02,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:02,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:02,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:02,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:02,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 16:07:02,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:02,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:02,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:02,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:02,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:02,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:02,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:02,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:02,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:02,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:02,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:02,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 16:07:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:02,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:02,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:02,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:02,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:02,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:02,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:02,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:02,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:02,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:02,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:02,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:07:02,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:02,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:02,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:02,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:02,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:02,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:02,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:02,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:02,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:02,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:02,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:02,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 16:07:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:02,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:02,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:02,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:02,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:02,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:02,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:02,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:02,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:02,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:02,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:02,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 16:07:02,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:02,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:02,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:02,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:02,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:02,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:02,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:02,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:02,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:02,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:02,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:02,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-12 16:07:02,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:02,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:02,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:02,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:02,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:02,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:02,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:02,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:02,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:02,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:02,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:02,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 16:07:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:02,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:02,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:02,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:02,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:02,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:02,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:02,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:02,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:02,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:02,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:02,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-12 16:07:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:02,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:02,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:02,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:02,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:02,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:02,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:02,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:02,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:02,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:02,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:02,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-12 16:07:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:02,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:02,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:02,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:02,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:02,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:02,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:02,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:02,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:02,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:02,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:02,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-12 16:07:02,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:02,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:02,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:02,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:02,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:02,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:02,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:02,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:02,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:02,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:02,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:02,762 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 100 proven. 187 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-10-12 16:07:02,762 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1203613570] [2020-10-12 16:07:02,763 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:07:02,763 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-12 16:07:02,763 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274111614] [2020-10-12 16:07:02,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-12 16:07:02,764 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:07:02,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-12 16:07:02,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=163, Unknown=0, NotChecked=0, Total=272 [2020-10-12 16:07:02,765 INFO L87 Difference]: Start difference. First operand 104 states and 105 transitions. Second operand 17 states. [2020-10-12 16:07:02,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:07:02,890 INFO L93 Difference]: Finished difference Result 117 states and 119 transitions. [2020-10-12 16:07:02,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-12 16:07:02,891 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 101 [2020-10-12 16:07:02,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:07:02,892 INFO L225 Difference]: With dead ends: 117 [2020-10-12 16:07:02,892 INFO L226 Difference]: Without dead ends: 115 [2020-10-12 16:07:02,893 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 [2020-10-12 16:07:02,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-10-12 16:07:02,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 111. [2020-10-12 16:07:02,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-12 16:07:02,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 112 transitions. [2020-10-12 16:07:02,902 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 112 transitions. Word has length 101 [2020-10-12 16:07:02,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:07:02,902 INFO L479 AbstractCegarLoop]: Abstraction has 111 states and 112 transitions. [2020-10-12 16:07:02,902 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-12 16:07:02,903 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 112 transitions. [2020-10-12 16:07:02,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-10-12 16:07:02,904 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:07:02,904 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:07:02,905 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-12 16:07:02,906 INFO L427 AbstractCegarLoop]: === Iteration 25 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:07:02,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:07:02,907 INFO L82 PathProgramCache]: Analyzing trace with hash -1721535023, now seen corresponding path program 23 times [2020-10-12 16:07:02,907 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:07:02,907 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1289401832] [2020-10-12 16:07:02,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:07:02,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:02,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:03,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:03,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 140 [2020-10-12 16:07:03,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:03,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 597 [2020-10-12 16:07:03,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:03,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-12 16:07:03,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:07:03,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 124 [2020-10-12 16:07:03,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:03,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:07:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:03,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:03,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:03,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:07:03,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:03,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:03,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:03,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:07:03,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:03,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:07:03,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:03,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 16:07:03,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:03,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:03,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:03,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:03,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:03,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:03,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:03,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:03,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:03,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:03,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:03,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 16:07:03,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:03,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:03,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:03,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:03,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:03,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:03,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:03,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:03,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:03,898 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:03,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:03,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 16:07:03,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:03,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:03,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:03,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:03,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:03,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:03,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:03,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:03,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:03,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:03,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:03,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:07:03,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:03,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:03,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:03,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:03,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:03,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:03,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:03,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:03,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:03,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:03,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:03,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 16:07:03,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:03,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:03,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:03,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:03,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:03,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:03,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:03,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:03,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:03,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:03,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:03,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 16:07:03,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:03,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:03,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:03,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:03,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:03,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:03,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:03,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:03,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:03,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:03,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:03,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-12 16:07:03,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:03,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:03,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:03,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:03,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:03,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:03,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:03,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:03,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:03,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:03,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:03,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 16:07:03,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:03,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:03,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:03,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:03,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:03,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:03,930 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:03,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:03,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:03,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:03,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:03,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-12 16:07:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:03,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:03,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:03,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:03,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:03,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:03,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:03,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:03,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:03,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:03,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:03,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-12 16:07:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:03,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:03,941 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:03,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:03,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:03,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:03,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:03,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:03,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:03,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:03,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:03,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-12 16:07:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:03,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:03,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:03,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:03,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:03,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:03,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:03,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:03,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:03,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:03,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:03,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-12 16:07:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:03,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:03,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:03,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:03,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:03,954 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:03,954 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:03,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:03,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:03,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:03,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:03,967 INFO L134 CoverageAnalysis]: Checked inductivity of 588 backedges. 246 proven. 78 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-10-12 16:07:03,967 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1289401832] [2020-10-12 16:07:03,968 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:07:03,968 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-12 16:07:03,968 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500114422] [2020-10-12 16:07:03,968 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-12 16:07:03,969 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:07:03,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-12 16:07:03,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=601, Unknown=0, NotChecked=0, Total=812 [2020-10-12 16:07:03,969 INFO L87 Difference]: Start difference. First operand 111 states and 112 transitions. Second operand 29 states. [2020-10-12 16:07:04,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:07:04,545 INFO L93 Difference]: Finished difference Result 159 states and 173 transitions. [2020-10-12 16:07:04,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-12 16:07:04,549 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 108 [2020-10-12 16:07:04,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:07:04,551 INFO L225 Difference]: With dead ends: 159 [2020-10-12 16:07:04,551 INFO L226 Difference]: Without dead ends: 112 [2020-10-12 16:07:04,552 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 [2020-10-12 16:07:04,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2020-10-12 16:07:04,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2020-10-12 16:07:04,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-10-12 16:07:04,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 113 transitions. [2020-10-12 16:07:04,565 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 113 transitions. Word has length 108 [2020-10-12 16:07:04,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:07:04,565 INFO L479 AbstractCegarLoop]: Abstraction has 112 states and 113 transitions. [2020-10-12 16:07:04,565 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-12 16:07:04,565 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 113 transitions. [2020-10-12 16:07:04,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-12 16:07:04,567 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:07:04,567 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:07:04,567 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-12 16:07:04,567 INFO L427 AbstractCegarLoop]: === Iteration 26 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:07:04,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:07:04,567 INFO L82 PathProgramCache]: Analyzing trace with hash 937046168, now seen corresponding path program 24 times [2020-10-12 16:07:04,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:07:04,568 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [833639954] [2020-10-12 16:07:04,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:07:04,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:04,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:05,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:05,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 141 [2020-10-12 16:07:05,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:05,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 675 [2020-10-12 16:07:05,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:05,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-12 16:07:05,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:07:05,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-12 16:07:05,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:07:05,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:07:05,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:05,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:05,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:05,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:07:05,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:05,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:05,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:05,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:07:05,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:05,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:07:05,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:05,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 16:07:05,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:05,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:05,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:05,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:05,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:05,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:05,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:05,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:05,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:05,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:05,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:05,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 16:07:05,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:05,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:05,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:05,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:05,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:05,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:05,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:05,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:05,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:05,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:05,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:05,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 16:07:05,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:05,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:05,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:05,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:05,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:05,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:05,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:05,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:05,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:05,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:05,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:05,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 16:07:05,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:05,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:05,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:05,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:05,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:05,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:05,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:05,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:05,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:05,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:05,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:05,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 16:07:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:05,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:05,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:05,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:05,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:05,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:05,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:05,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:05,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:05,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:05,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:05,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 16:07:05,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:05,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:05,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:05,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:05,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:05,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:05,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:05,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:05,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:05,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:05,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:05,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-12 16:07:05,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:05,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:05,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:05,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:05,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:05,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:05,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:05,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:05,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:05,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:05,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:05,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-12 16:07:05,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:05,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:05,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:05,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:05,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:05,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:05,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:05,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:05,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:05,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:05,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:05,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:07:05,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:05,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:05,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:05,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:05,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:05,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:05,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:05,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:05,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:05,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:05,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:05,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-12 16:07:05,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:05,499 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:05,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:05,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:05,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:05,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:05,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:05,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:05,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:05,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:05,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:05,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 16:07:05,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:05,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:05,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:05,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:05,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:05,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:05,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:05,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:05,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:05,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:05,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:05,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-12 16:07:05,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:05,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:05,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:05,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:05,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:05,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:05,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:05,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:05,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:05,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:05,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:05,524 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 115 proven. 222 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-10-12 16:07:05,524 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [833639954] [2020-10-12 16:07:05,525 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:07:05,525 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-12 16:07:05,525 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1426820256] [2020-10-12 16:07:05,526 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-12 16:07:05,526 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:07:05,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-12 16:07:05,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=182, Unknown=0, NotChecked=0, Total=306 [2020-10-12 16:07:05,527 INFO L87 Difference]: Start difference. First operand 112 states and 113 transitions. Second operand 18 states. [2020-10-12 16:07:05,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:07:05,722 INFO L93 Difference]: Finished difference Result 125 states and 127 transitions. [2020-10-12 16:07:05,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-12 16:07:05,723 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 109 [2020-10-12 16:07:05,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:07:05,724 INFO L225 Difference]: With dead ends: 125 [2020-10-12 16:07:05,725 INFO L226 Difference]: Without dead ends: 123 [2020-10-12 16:07:05,725 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 [2020-10-12 16:07:05,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-10-12 16:07:05,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 119. [2020-10-12 16:07:05,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-10-12 16:07:05,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 120 transitions. [2020-10-12 16:07:05,737 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 120 transitions. Word has length 109 [2020-10-12 16:07:05,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:07:05,739 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 120 transitions. [2020-10-12 16:07:05,739 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-12 16:07:05,739 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 120 transitions. [2020-10-12 16:07:05,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2020-10-12 16:07:05,740 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:07:05,740 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:07:05,741 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-12 16:07:05,741 INFO L427 AbstractCegarLoop]: === Iteration 27 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:07:05,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:07:05,741 INFO L82 PathProgramCache]: Analyzing trace with hash -127313166, now seen corresponding path program 25 times [2020-10-12 16:07:05,741 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:07:05,742 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1079400510] [2020-10-12 16:07:05,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:07:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:05,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:06,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:06,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 150 [2020-10-12 16:07:06,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:06,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 893 [2020-10-12 16:07:06,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:06,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-12 16:07:06,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:07:06,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 134 [2020-10-12 16:07:06,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:07:07,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:07:07,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:07,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:07,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:07,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:07:07,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:07,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:07,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:07,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:07:07,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:07,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:07:07,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:07,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 16:07:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:07,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:07,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:07,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:07,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:07,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:07,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:07,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:07,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:07,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:07,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:07,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 16:07:07,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:07,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:07,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:07,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:07,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:07,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:07,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:07,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:07,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:07,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:07,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:07,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 16:07:07,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:07,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:07,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:07,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:07,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:07,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:07,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:07,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:07,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:07,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:07,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:07,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 16:07:07,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:07,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:07,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:07,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:07,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:07,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:07,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:07,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:07,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:07,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:07,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:07,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 16:07:07,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:07,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:07,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:07,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:07,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:07,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:07,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:07,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:07,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:07,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:07,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:07,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 16:07:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:07,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:07,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:07,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:07,126 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:07,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:07,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:07,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:07,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:07,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:07,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:07,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-12 16:07:07,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:07,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:07,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:07,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:07,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:07,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:07,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:07,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:07,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:07,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:07,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:07,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-12 16:07:07,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:07,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:07,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:07,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:07,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:07,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:07,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:07,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:07,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:07,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:07,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:07,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:07:07,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:07,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:07,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:07,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:07,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:07,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:07,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:07,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:07,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:07,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:07,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:07,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-12 16:07:07,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:07,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:07,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:07,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:07,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:07,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:07,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:07,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:07,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:07,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:07,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:07,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 16:07:07,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:07,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:07,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:07,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:07,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:07,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:07,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:07,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:07,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:07,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:07,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:07,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-12 16:07:07,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:07,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:07,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:07,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:07,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:07,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:07,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:07,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:07,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:07,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:07,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:07,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 16:07:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:07,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:07,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:07,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:07,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:07,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:07,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:07,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:07,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:07,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:07,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:07,178 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 286 proven. 91 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-10-12 16:07:07,178 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1079400510] [2020-10-12 16:07:07,178 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:07:07,178 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-12 16:07:07,179 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [782835418] [2020-10-12 16:07:07,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-12 16:07:07,179 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:07:07,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-12 16:07:07,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=241, Invalid=689, Unknown=0, NotChecked=0, Total=930 [2020-10-12 16:07:07,180 INFO L87 Difference]: Start difference. First operand 119 states and 120 transitions. Second operand 31 states. [2020-10-12 16:07:07,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:07:07,882 INFO L93 Difference]: Finished difference Result 170 states and 185 transitions. [2020-10-12 16:07:07,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-12 16:07:07,883 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 116 [2020-10-12 16:07:07,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:07:07,884 INFO L225 Difference]: With dead ends: 170 [2020-10-12 16:07:07,885 INFO L226 Difference]: Without dead ends: 120 [2020-10-12 16:07:07,886 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 [2020-10-12 16:07:07,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-10-12 16:07:07,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-10-12 16:07:07,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-10-12 16:07:07,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 121 transitions. [2020-10-12 16:07:07,896 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 121 transitions. Word has length 116 [2020-10-12 16:07:07,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:07:07,897 INFO L479 AbstractCegarLoop]: Abstraction has 120 states and 121 transitions. [2020-10-12 16:07:07,897 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-12 16:07:07,897 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 121 transitions. [2020-10-12 16:07:07,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-12 16:07:07,898 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:07:07,899 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:07:07,899 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-12 16:07:07,899 INFO L427 AbstractCegarLoop]: === Iteration 28 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:07:07,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:07:07,899 INFO L82 PathProgramCache]: Analyzing trace with hash -1162322247, now seen corresponding path program 26 times [2020-10-12 16:07:07,900 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:07:07,900 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [562177990] [2020-10-12 16:07:07,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:07:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:07,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:08,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:08,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 151 [2020-10-12 16:07:08,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:08,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 643 [2020-10-12 16:07:08,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:08,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-12 16:07:08,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:07:08,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-10-12 16:07:08,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:08,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:07:08,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:08,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:08,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:08,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:07:08,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:08,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:08,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:08,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:07:08,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:08,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:07:08,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:07:08,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 16:07:08,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:08,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:08,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:08,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:08,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:08,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:07:08,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:08,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:08,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:08,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:08,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:07:08,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 16:07:08,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:08,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:08,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:08,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:08,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:08,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:08,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:08,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:08,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:08,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:08,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:08,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 16:07:08,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:08,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:08,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:08,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:08,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:08,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:08,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:08,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:08,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:08,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:08,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:08,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 16:07:08,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:08,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:08,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:08,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:08,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:08,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:08,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:08,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:08,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:08,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:08,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:08,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:07:08,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:08,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:08,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:08,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:08,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:08,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:08,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:08,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:08,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:08,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:08,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:08,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 16:07:08,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:08,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:08,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:08,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:08,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:08,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:08,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:08,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:08,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:08,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:08,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:07:08,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 16:07:08,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:08,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:08,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:08,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:08,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:08,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:08,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:08,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:08,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:08,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:08,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:07:08,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 16:07:08,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:08,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:08,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:08,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:08,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:08,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:08,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:08,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:08,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:08,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:08,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:07:08,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 16:07:08,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:08,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:08,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:08,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:08,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:08,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:08,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:08,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:08,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:08,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:08,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:08,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 16:07:08,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:08,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:08,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:08,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:08,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:08,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:08,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:08,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:08,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:08,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:08,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:08,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 16:07:08,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:08,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:08,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:08,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:08,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:08,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:08,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:08,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:08,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:08,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:08,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:07:08,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 16:07:08,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:08,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:08,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:08,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:08,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:08,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:08,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:08,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:08,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:08,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:08,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:07:08,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 16:07:08,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:08,875 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:08,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:08,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:08,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:08,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:08,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:08,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:08,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:08,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:08,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:07:08,899 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 131 proven. 260 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-10-12 16:07:08,899 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [562177990] [2020-10-12 16:07:08,900 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:07:08,900 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-12 16:07:08,900 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1221131986] [2020-10-12 16:07:08,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-12 16:07:08,901 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:07:08,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-12 16:07:08,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=202, Unknown=0, NotChecked=0, Total=342 [2020-10-12 16:07:08,902 INFO L87 Difference]: Start difference. First operand 120 states and 121 transitions. Second operand 19 states. [2020-10-12 16:07:09,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:07:09,050 INFO L93 Difference]: Finished difference Result 133 states and 135 transitions. [2020-10-12 16:07:09,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-12 16:07:09,050 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 117 [2020-10-12 16:07:09,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:07:09,051 INFO L225 Difference]: With dead ends: 133 [2020-10-12 16:07:09,051 INFO L226 Difference]: Without dead ends: 131 [2020-10-12 16:07:09,052 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 [2020-10-12 16:07:09,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-10-12 16:07:09,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 127. [2020-10-12 16:07:09,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-10-12 16:07:09,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 128 transitions. [2020-10-12 16:07:09,070 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 128 transitions. Word has length 117 [2020-10-12 16:07:09,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:07:09,071 INFO L479 AbstractCegarLoop]: Abstraction has 127 states and 128 transitions. [2020-10-12 16:07:09,071 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-12 16:07:09,071 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 128 transitions. [2020-10-12 16:07:09,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-12 16:07:09,072 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:07:09,072 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:07:09,072 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-12 16:07:09,073 INFO L427 AbstractCegarLoop]: === Iteration 29 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:07:09,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:07:09,073 INFO L82 PathProgramCache]: Analyzing trace with hash -102615631, now seen corresponding path program 27 times [2020-10-12 16:07:09,073 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:07:09,073 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [37601572] [2020-10-12 16:07:09,074 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:07:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:09,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:09,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:09,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 160 [2020-10-12 16:07:09,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:09,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 718 [2020-10-12 16:07:09,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:09,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-12 16:07:09,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:07:09,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 144 [2020-10-12 16:07:09,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:10,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:07:10,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:10,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:10,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:10,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:07:10,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:10,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:10,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:10,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:07:10,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:10,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:07:10,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:10,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 16:07:10,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:10,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:10,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:10,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:10,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:10,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:07:10,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:10,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:10,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:10,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:10,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:10,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 16:07:10,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:10,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:10,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:10,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:10,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:10,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:10,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:10,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:10,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:10,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:10,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:10,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 16:07:10,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:10,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:10,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:10,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:10,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:10,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:10,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:10,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:10,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:10,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:10,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:10,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 16:07:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:10,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:10,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:10,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:10,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:10,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:10,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:10,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:10,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:10,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:10,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:10,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:07:10,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:10,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:10,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:10,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:10,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:10,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:10,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:10,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:10,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:10,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:10,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:10,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 16:07:10,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:10,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:10,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:10,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:10,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:10,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:07:10,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:10,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:10,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:10,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:10,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 16:07:10,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 16:07:10,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:10,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:10,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:10,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:10,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:10,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:10,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:10,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:10,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:10,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:10,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:10,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 16:07:10,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:10,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:10,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:10,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:10,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:10,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:10,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:10,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:10,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:10,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:10,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:10,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 16:07:10,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:10,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:10,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:10,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:10,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:10,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:10,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:10,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:10,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:10,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:10,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:10,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 16:07:10,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:10,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:10,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:10,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:10,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:10,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:10,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:10,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:10,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:10,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:10,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:10,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 16:07:10,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:10,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:10,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:10,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:10,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:10,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:07:10,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:10,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:10,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:10,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:10,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:10,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 16:07:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:10,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:10,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:10,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:10,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:10,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:10,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:10,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:10,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:10,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:10,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:10,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 16:07:10,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:10,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:10,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:10,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:10,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:10,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:10,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:10,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:10,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:10,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:10,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:10,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 16:07:10,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:10,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:10,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:10,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:10,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:10,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:10,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:10,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:10,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:10,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:10,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:10,423 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 329 proven. 105 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2020-10-12 16:07:10,423 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [37601572] [2020-10-12 16:07:10,423 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:07:10,423 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2020-10-12 16:07:10,424 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079195586] [2020-10-12 16:07:10,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-10-12 16:07:10,424 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:07:10,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-10-12 16:07:10,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=783, Unknown=0, NotChecked=0, Total=1056 [2020-10-12 16:07:10,425 INFO L87 Difference]: Start difference. First operand 127 states and 128 transitions. Second operand 33 states. [2020-10-12 16:07:11,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:07:11,231 INFO L93 Difference]: Finished difference Result 181 states and 197 transitions. [2020-10-12 16:07:11,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-12 16:07:11,233 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 124 [2020-10-12 16:07:11,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:07:11,235 INFO L225 Difference]: With dead ends: 181 [2020-10-12 16:07:11,235 INFO L226 Difference]: Without dead ends: 128 [2020-10-12 16:07:11,237 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 [2020-10-12 16:07:11,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-10-12 16:07:11,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2020-10-12 16:07:11,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-10-12 16:07:11,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 129 transitions. [2020-10-12 16:07:11,255 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 129 transitions. Word has length 124 [2020-10-12 16:07:11,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:07:11,255 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 129 transitions. [2020-10-12 16:07:11,256 INFO L480 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-10-12 16:07:11,256 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 129 transitions. [2020-10-12 16:07:11,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2020-10-12 16:07:11,257 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:07:11,257 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:07:11,257 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-10-12 16:07:11,257 INFO L427 AbstractCegarLoop]: === Iteration 30 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:07:11,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:07:11,258 INFO L82 PathProgramCache]: Analyzing trace with hash 196117112, now seen corresponding path program 28 times [2020-10-12 16:07:11,258 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:07:11,258 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1139316916] [2020-10-12 16:07:11,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:07:11,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:11,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:11,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:11,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 161 [2020-10-12 16:07:11,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:11,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 596 [2020-10-12 16:07:11,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:11,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-12 16:07:11,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:07:11,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-12 16:07:11,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:12,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:07:12,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:12,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:12,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:12,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:07:12,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:12,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:12,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:12,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:07:12,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:12,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:07:12,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:12,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:07:12,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:12,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:12,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:12,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:12,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:12,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:12,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:12,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:12,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:12,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:12,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:12,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 16:07:12,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:12,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:12,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:12,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:12,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:12,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:12,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:12,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:12,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:12,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:12,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:12,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 16:07:12,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:12,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:12,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:12,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:12,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:12,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:12,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:12,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:12,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:12,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:12,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:12,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 16:07:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:12,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:12,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:12,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:12,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:12,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:12,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:12,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:12,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:12,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:12,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:12,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 16:07:12,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:12,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:12,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:12,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:12,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:12,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:12,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:12,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:12,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:12,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:12,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:12,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 16:07:12,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:12,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:12,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:12,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:12,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:12,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:12,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:12,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:12,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:12,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:12,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:12,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 16:07:12,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:12,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:12,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:12,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:12,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:12,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:12,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:12,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:12,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:12,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:12,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:12,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 16:07:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:12,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:12,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:12,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:12,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:12,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:12,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:12,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:12,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:12,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:12,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:12,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-12 16:07:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:12,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:12,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:12,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:12,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:12,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:12,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:12,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:12,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:12,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:12,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:12,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 16:07:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:12,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:12,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:12,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:12,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:12,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:12,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:12,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:12,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:12,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:12,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:12,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 16:07:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:12,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:12,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:12,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:12,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:12,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:12,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:12,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:12,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:12,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:12,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:12,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 16:07:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:12,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:12,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:12,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:12,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:12,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:12,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:12,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:12,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:12,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:12,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:12,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 16:07:12,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:12,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:12,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:12,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:12,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:12,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:12,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:12,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:12,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:12,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:12,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:12,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-12 16:07:12,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:12,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:12,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:12,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:12,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:12,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:12,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:12,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:12,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:12,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:12,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:12,157 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 148 proven. 301 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2020-10-12 16:07:12,157 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1139316916] [2020-10-12 16:07:12,157 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:07:12,157 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-12 16:07:12,158 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770560014] [2020-10-12 16:07:12,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-12 16:07:12,158 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:07:12,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-12 16:07:12,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=223, Unknown=0, NotChecked=0, Total=380 [2020-10-12 16:07:12,159 INFO L87 Difference]: Start difference. First operand 128 states and 129 transitions. Second operand 20 states. [2020-10-12 16:07:12,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:07:12,333 INFO L93 Difference]: Finished difference Result 141 states and 143 transitions. [2020-10-12 16:07:12,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-12 16:07:12,334 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 125 [2020-10-12 16:07:12,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:07:12,336 INFO L225 Difference]: With dead ends: 141 [2020-10-12 16:07:12,336 INFO L226 Difference]: Without dead ends: 139 [2020-10-12 16:07:12,336 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 [2020-10-12 16:07:12,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-10-12 16:07:12,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 135. [2020-10-12 16:07:12,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-10-12 16:07:12,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 136 transitions. [2020-10-12 16:07:12,344 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 136 transitions. Word has length 125 [2020-10-12 16:07:12,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:07:12,344 INFO L479 AbstractCegarLoop]: Abstraction has 135 states and 136 transitions. [2020-10-12 16:07:12,344 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-12 16:07:12,345 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 136 transitions. [2020-10-12 16:07:12,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-12 16:07:12,346 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:07:12,346 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:07:12,346 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-12 16:07:12,347 INFO L427 AbstractCegarLoop]: === Iteration 31 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:07:12,347 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:07:12,347 INFO L82 PathProgramCache]: Analyzing trace with hash 1812802834, now seen corresponding path program 29 times [2020-10-12 16:07:12,347 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:07:12,347 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [210577356] [2020-10-12 16:07:12,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:07:12,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:12,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:13,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:13,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 170 [2020-10-12 16:07:13,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:13,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 699 [2020-10-12 16:07:13,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:13,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-12 16:07:13,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:07:13,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 154 [2020-10-12 16:07:13,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:13,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:07:13,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:13,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:13,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:13,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:07:13,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:13,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:13,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:13,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:07:13,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:13,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:07:13,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:13,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:07:13,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:13,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:13,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:13,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:13,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:13,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:13,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:13,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:13,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:13,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:13,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:13,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 16:07:13,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:13,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:13,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:13,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:13,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:13,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:13,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:13,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:13,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:13,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:13,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:13,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 16:07:13,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:13,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:13,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:13,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:13,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:13,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:13,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:13,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:13,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:13,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:13,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:13,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 16:07:13,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:13,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:13,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:13,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:13,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:13,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:13,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:13,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:13,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:13,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:13,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:13,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 16:07:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:13,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:13,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:13,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:13,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:13,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:13,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:13,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:13,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:13,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:13,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:13,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 16:07:13,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:13,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:13,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:13,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:13,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:13,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:13,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:13,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:13,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:13,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:13,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:13,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 16:07:13,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:13,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:13,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:13,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:13,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:13,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:13,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:13,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:13,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:13,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:13,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:13,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 16:07:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:13,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:13,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:13,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:13,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:13,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:13,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:13,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:13,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:13,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:13,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:13,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-12 16:07:13,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:13,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:13,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:13,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:13,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:13,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:13,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:13,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:13,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:13,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:13,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:13,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 16:07:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:13,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:13,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:13,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:13,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:13,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:13,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:13,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:13,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:13,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:13,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:13,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 16:07:13,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:13,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:13,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:13,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:13,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:13,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:13,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:13,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:13,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:13,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:13,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:13,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 16:07:13,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:13,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:13,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:13,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:13,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:13,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:13,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:13,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:13,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:13,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:13,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:13,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 16:07:13,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:13,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:13,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:13,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:13,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:13,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:13,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:13,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:13,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:13,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:13,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:13,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-12 16:07:13,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:13,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:13,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:13,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:13,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:13,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:13,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:13,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:13,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:13,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:13,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:13,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 16:07:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:13,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:13,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:13,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:13,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:13,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:13,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:13,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:13,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:13,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:13,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:13,658 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 375 proven. 120 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2020-10-12 16:07:13,658 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [210577356] [2020-10-12 16:07:13,659 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:07:13,659 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2020-10-12 16:07:13,659 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993042854] [2020-10-12 16:07:13,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 35 states [2020-10-12 16:07:13,660 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:07:13,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2020-10-12 16:07:13,661 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=883, Unknown=0, NotChecked=0, Total=1190 [2020-10-12 16:07:13,661 INFO L87 Difference]: Start difference. First operand 135 states and 136 transitions. Second operand 35 states. [2020-10-12 16:07:14,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:07:14,549 INFO L93 Difference]: Finished difference Result 192 states and 209 transitions. [2020-10-12 16:07:14,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-12 16:07:14,551 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 132 [2020-10-12 16:07:14,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:07:14,552 INFO L225 Difference]: With dead ends: 192 [2020-10-12 16:07:14,552 INFO L226 Difference]: Without dead ends: 136 [2020-10-12 16:07:14,554 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 [2020-10-12 16:07:14,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-10-12 16:07:14,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2020-10-12 16:07:14,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-10-12 16:07:14,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 137 transitions. [2020-10-12 16:07:14,572 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 137 transitions. Word has length 132 [2020-10-12 16:07:14,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:07:14,573 INFO L479 AbstractCegarLoop]: Abstraction has 136 states and 137 transitions. [2020-10-12 16:07:14,573 INFO L480 AbstractCegarLoop]: Interpolant automaton has 35 states. [2020-10-12 16:07:14,573 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 137 transitions. [2020-10-12 16:07:14,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-10-12 16:07:14,576 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:07:14,576 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:07:14,577 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-10-12 16:07:14,577 INFO L427 AbstractCegarLoop]: === Iteration 32 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:07:14,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:07:14,577 INFO L82 PathProgramCache]: Analyzing trace with hash 1644282585, now seen corresponding path program 30 times [2020-10-12 16:07:14,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:07:14,578 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1119961548] [2020-10-12 16:07:14,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:07:14,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:14,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:15,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:15,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-12 16:07:15,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:15,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 666 [2020-10-12 16:07:15,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:15,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-12 16:07:15,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:07:15,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-12 16:07:15,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:15,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:07:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:15,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:15,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:15,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:07:15,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:15,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:15,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:15,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:07:15,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:15,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:07:15,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:15,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 16:07:15,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:15,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:15,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:15,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:15,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:15,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:15,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:15,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:15,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:15,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:15,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:15,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 16:07:15,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:15,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:15,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:15,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:15,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:15,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:15,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:15,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:15,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:15,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:15,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:15,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 16:07:15,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:15,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:15,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:15,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:15,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:15,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:15,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:15,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:15,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:15,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:15,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:15,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 16:07:15,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:15,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:15,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:15,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:15,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:15,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:15,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:15,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:15,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:15,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:15,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:15,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-12 16:07:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:15,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:15,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:15,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:15,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:15,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:15,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:15,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:15,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:15,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:15,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:15,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:07:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:15,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:15,542 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:15,542 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:15,542 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:15,542 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:15,542 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:15,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:15,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:15,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:15,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:15,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-12 16:07:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:15,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:15,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:15,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:15,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:15,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:15,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:15,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:15,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:15,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:15,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:15,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 16:07:15,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:15,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:15,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:15,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:15,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:15,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:15,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:15,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:15,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:15,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:15,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:15,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-12 16:07:15,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:15,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:15,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:15,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:15,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:15,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:15,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:15,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:15,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:15,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:15,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:15,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 16:07:15,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:15,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:15,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:15,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:15,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:15,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:15,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:15,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:15,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:15,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:15,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:15,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 16:07:15,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:15,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:15,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:15,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:15,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:15,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:15,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:15,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:15,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:15,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:15,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:15,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 16:07:15,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:15,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:15,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:15,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:15,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:15,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:15,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:15,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:15,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:15,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:15,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:15,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 16:07:15,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:15,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:15,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:15,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:15,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:15,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:15,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:15,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:15,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:15,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:15,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:15,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 16:07:15,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:15,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:15,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:15,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:15,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:15,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:15,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:15,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:15,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:15,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:15,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:15,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 16:07:15,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:15,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:15,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:15,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:15,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:15,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:15,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:15,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:15,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:15,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:15,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:15,587 INFO L134 CoverageAnalysis]: Checked inductivity of 931 backedges. 166 proven. 345 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2020-10-12 16:07:15,587 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1119961548] [2020-10-12 16:07:15,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:07:15,588 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-12 16:07:15,588 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [738231848] [2020-10-12 16:07:15,588 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-12 16:07:15,588 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:07:15,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-12 16:07:15,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=245, Unknown=0, NotChecked=0, Total=420 [2020-10-12 16:07:15,589 INFO L87 Difference]: Start difference. First operand 136 states and 137 transitions. Second operand 21 states. [2020-10-12 16:07:15,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:07:15,789 INFO L93 Difference]: Finished difference Result 149 states and 151 transitions. [2020-10-12 16:07:15,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-12 16:07:15,790 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 133 [2020-10-12 16:07:15,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:07:15,792 INFO L225 Difference]: With dead ends: 149 [2020-10-12 16:07:15,792 INFO L226 Difference]: Without dead ends: 147 [2020-10-12 16:07:15,792 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 [2020-10-12 16:07:15,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-10-12 16:07:15,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 143. [2020-10-12 16:07:15,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-10-12 16:07:15,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 144 transitions. [2020-10-12 16:07:15,802 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 144 transitions. Word has length 133 [2020-10-12 16:07:15,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:07:15,802 INFO L479 AbstractCegarLoop]: Abstraction has 143 states and 144 transitions. [2020-10-12 16:07:15,802 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-12 16:07:15,802 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 144 transitions. [2020-10-12 16:07:15,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2020-10-12 16:07:15,803 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:07:15,803 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:07:15,804 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-10-12 16:07:15,804 INFO L427 AbstractCegarLoop]: === Iteration 33 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:07:15,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:07:15,804 INFO L82 PathProgramCache]: Analyzing trace with hash 807792017, now seen corresponding path program 31 times [2020-10-12 16:07:15,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:07:15,804 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1000694074] [2020-10-12 16:07:15,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:07:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:15,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:16,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:16,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 180 [2020-10-12 16:07:16,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:16,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 721 [2020-10-12 16:07:16,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:16,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-10-12 16:07:16,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:07:16,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 164 [2020-10-12 16:07:16,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:17,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:07:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:17,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:17,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:17,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:07:17,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:17,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:17,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:17,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:07:17,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:17,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:07:17,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:17,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 16:07:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:17,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:17,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:17,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:17,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:17,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:17,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:17,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:17,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:17,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:17,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:17,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 16:07:17,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:17,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:17,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:17,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:17,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:17,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:17,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:17,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:17,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:17,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:17,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:17,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 16:07:17,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:17,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:17,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:17,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:17,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:17,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:17,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:17,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:17,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:17,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:17,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:17,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 16:07:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:17,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:17,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:17,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:17,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:17,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:17,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:17,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:17,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:17,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:17,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:17,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-12 16:07:17,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:17,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:17,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:17,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:17,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:17,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:17,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:17,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:17,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:17,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:17,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:17,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:07:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:17,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:17,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:17,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:17,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:17,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:17,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:17,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:17,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:17,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:17,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:17,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-12 16:07:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:17,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:17,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:17,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:17,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:17,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:17,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:17,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:17,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:17,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:17,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:17,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 16:07:17,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:17,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:17,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:17,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:17,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:17,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:17,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:17,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:17,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:17,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:17,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:17,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-12 16:07:17,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:17,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:17,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:17,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:17,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:17,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:17,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:17,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:17,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:17,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:17,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:17,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 16:07:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:17,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:17,176 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:17,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:17,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:17,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:17,177 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:17,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:17,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:17,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:17,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:17,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 16:07:17,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:17,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:17,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:17,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:17,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:17,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:17,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:17,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:17,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:17,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:17,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:17,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 16:07:17,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:17,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:17,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:17,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:17,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:17,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:17,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:17,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:17,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:17,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:17,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:17,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 16:07:17,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:17,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:17,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:17,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:17,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:17,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:17,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:17,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:17,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:17,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:17,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:17,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 16:07:17,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:17,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:17,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:17,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:17,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:17,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:17,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:17,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:17,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:17,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:17,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:17,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 16:07:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:17,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:17,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:17,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:17,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:17,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:17,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:17,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:17,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:17,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:17,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:17,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 16:07:17,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:17,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:17,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:17,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:17,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:17,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:17,207 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:17,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:17,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:17,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:17,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:17,224 INFO L134 CoverageAnalysis]: Checked inductivity of 1040 backedges. 424 proven. 136 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2020-10-12 16:07:17,224 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1000694074] [2020-10-12 16:07:17,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:07:17,224 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2020-10-12 16:07:17,225 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999547576] [2020-10-12 16:07:17,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 37 states [2020-10-12 16:07:17,225 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:07:17,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2020-10-12 16:07:17,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=343, Invalid=989, Unknown=0, NotChecked=0, Total=1332 [2020-10-12 16:07:17,226 INFO L87 Difference]: Start difference. First operand 143 states and 144 transitions. Second operand 37 states. [2020-10-12 16:07:18,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:07:18,233 INFO L93 Difference]: Finished difference Result 203 states and 221 transitions. [2020-10-12 16:07:18,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-12 16:07:18,235 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 140 [2020-10-12 16:07:18,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:07:18,236 INFO L225 Difference]: With dead ends: 203 [2020-10-12 16:07:18,236 INFO L226 Difference]: Without dead ends: 144 [2020-10-12 16:07:18,238 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 [2020-10-12 16:07:18,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2020-10-12 16:07:18,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2020-10-12 16:07:18,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2020-10-12 16:07:18,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 145 transitions. [2020-10-12 16:07:18,247 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 145 transitions. Word has length 140 [2020-10-12 16:07:18,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:07:18,247 INFO L479 AbstractCegarLoop]: Abstraction has 144 states and 145 transitions. [2020-10-12 16:07:18,247 INFO L480 AbstractCegarLoop]: Interpolant automaton has 37 states. [2020-10-12 16:07:18,247 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 145 transitions. [2020-10-12 16:07:18,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2020-10-12 16:07:18,248 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:07:18,249 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:07:18,249 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-10-12 16:07:18,249 INFO L427 AbstractCegarLoop]: === Iteration 34 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:07:18,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:07:18,249 INFO L82 PathProgramCache]: Analyzing trace with hash 132631640, now seen corresponding path program 32 times [2020-10-12 16:07:18,249 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:07:18,250 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1254956940] [2020-10-12 16:07:18,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:07:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:18,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:18,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:18,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-12 16:07:18,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:18,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 693 [2020-10-12 16:07:18,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:18,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-12 16:07:18,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:07:18,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-12 16:07:18,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:19,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:07:19,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:19,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:19,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:19,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:07:19,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:19,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:19,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:19,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:07:19,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:19,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:07:19,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:19,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 16:07:19,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:19,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:19,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:19,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:19,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:19,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:19,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:19,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:19,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:19,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:19,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:19,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:07:19,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:19,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:19,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:19,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:19,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:19,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:19,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:19,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:19,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:19,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:19,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:19,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 16:07:19,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:19,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:19,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:19,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:19,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:19,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:19,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:19,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:19,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:19,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:19,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:19,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 16:07:19,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:19,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:19,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:19,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:19,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:19,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:19,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:19,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:19,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:19,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:19,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:19,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 16:07:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:19,230 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:19,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:19,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:19,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:19,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:19,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:19,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:19,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:19,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:19,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:19,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 16:07:19,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:19,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:19,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:19,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:19,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:19,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:19,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:19,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:19,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:19,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:19,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:19,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 16:07:19,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:19,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:19,240 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:19,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:19,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:19,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:19,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:19,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:19,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:19,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:19,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:19,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-12 16:07:19,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:19,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:19,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:19,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:19,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:19,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:19,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:19,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:19,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:19,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:19,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:19,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-12 16:07:19,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:19,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:19,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:19,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:19,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:19,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:19,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:19,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:19,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:19,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:19,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:19,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-12 16:07:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:19,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:19,249 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:19,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:19,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:19,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:19,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:19,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:19,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:19,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:19,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:19,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 16:07:19,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:19,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:19,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:19,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:19,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:19,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:19,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:19,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:19,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:19,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:19,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:19,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-12 16:07:19,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:19,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:19,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:19,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:19,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:19,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:19,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:19,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:19,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:19,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:19,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:19,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 16:07:19,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:19,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:19,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:19,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:19,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:19,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:19,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:19,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:19,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:19,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:19,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:19,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-12 16:07:19,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:19,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:19,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:19,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:19,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:19,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:19,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:19,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:19,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:19,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:19,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:19,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 16:07:19,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:19,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:19,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:19,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:19,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:19,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:19,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:19,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:19,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:19,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:19,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:19,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-12 16:07:19,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:19,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:19,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:19,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:19,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:19,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:19,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:19,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:19,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:19,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:19,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:19,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1057 backedges. 185 proven. 392 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2020-10-12 16:07:19,295 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1254956940] [2020-10-12 16:07:19,295 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:07:19,296 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-12 16:07:19,296 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149908739] [2020-10-12 16:07:19,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-12 16:07:19,296 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:07:19,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-12 16:07:19,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=268, Unknown=0, NotChecked=0, Total=462 [2020-10-12 16:07:19,297 INFO L87 Difference]: Start difference. First operand 144 states and 145 transitions. Second operand 22 states. [2020-10-12 16:07:19,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:07:19,525 INFO L93 Difference]: Finished difference Result 157 states and 159 transitions. [2020-10-12 16:07:19,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-12 16:07:19,526 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 141 [2020-10-12 16:07:19,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:07:19,527 INFO L225 Difference]: With dead ends: 157 [2020-10-12 16:07:19,527 INFO L226 Difference]: Without dead ends: 155 [2020-10-12 16:07:19,527 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 [2020-10-12 16:07:19,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-10-12 16:07:19,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 151. [2020-10-12 16:07:19,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-10-12 16:07:19,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 152 transitions. [2020-10-12 16:07:19,540 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 152 transitions. Word has length 141 [2020-10-12 16:07:19,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:07:19,541 INFO L479 AbstractCegarLoop]: Abstraction has 151 states and 152 transitions. [2020-10-12 16:07:19,541 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-12 16:07:19,541 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 152 transitions. [2020-10-12 16:07:19,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-10-12 16:07:19,542 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:07:19,542 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:07:19,542 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-10-12 16:07:19,542 INFO L427 AbstractCegarLoop]: === Iteration 35 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:07:19,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:07:19,543 INFO L82 PathProgramCache]: Analyzing trace with hash -1362557134, now seen corresponding path program 33 times [2020-10-12 16:07:19,543 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:07:19,543 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [52024035] [2020-10-12 16:07:19,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:07:19,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:19,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:20,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:20,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 190 [2020-10-12 16:07:20,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:20,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 659 [2020-10-12 16:07:20,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:20,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-12 16:07:20,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:07:20,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 174 [2020-10-12 16:07:20,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:20,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:07:20,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:20,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:20,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:20,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:07:20,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:20,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:20,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:20,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:07:20,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:20,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:07:20,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:20,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 16:07:20,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:20,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:20,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:20,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:20,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:20,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:20,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:20,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:20,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:20,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:20,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:20,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:07:20,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:20,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:20,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:20,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:20,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:20,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:20,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:20,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:20,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:20,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:20,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:20,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 16:07:20,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:20,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:20,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:20,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:20,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:20,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:20,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:20,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:20,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:20,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:20,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:20,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 16:07:20,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:20,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:20,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:20,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:20,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:20,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:20,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:20,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:20,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:20,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:20,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:20,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 16:07:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:20,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:20,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:20,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:20,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:20,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:20,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:20,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:20,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:20,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:20,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:20,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 16:07:20,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:20,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:20,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:20,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:20,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:20,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:20,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:20,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:20,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:20,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:20,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:20,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 16:07:20,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:20,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:20,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:20,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:20,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:20,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:20,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:20,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:20,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:20,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:20,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:20,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-12 16:07:20,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:20,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:20,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:20,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:20,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:20,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:20,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:20,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:20,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:20,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:20,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:20,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-12 16:07:20,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:20,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:20,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:20,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:20,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:20,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:20,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:20,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:20,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:20,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:20,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:20,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-12 16:07:20,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:20,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:20,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:20,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:20,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:20,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:20,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:20,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:20,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:20,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:20,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:20,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 16:07:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:20,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:20,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:20,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:20,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:20,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:20,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:20,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:20,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:20,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:20,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:20,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-12 16:07:20,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:20,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:20,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:20,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:20,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:20,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:20,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:20,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:20,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:20,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:20,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:20,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 16:07:20,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:20,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:20,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:20,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:20,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:20,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:20,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:20,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:20,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:20,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:20,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:20,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-12 16:07:20,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:20,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:20,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:20,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:20,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:20,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:20,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:20,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:20,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:20,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:20,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:20,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 16:07:20,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:20,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:20,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:20,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:20,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:20,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:20,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:20,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:20,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:20,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:20,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:20,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-12 16:07:20,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:20,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:20,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:20,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:20,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:20,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:20,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:20,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:20,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:20,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:20,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:20,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-12 16:07:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:20,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:20,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:20,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:20,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:20,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:20,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:20,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:20,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:20,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:20,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:21,007 INFO L134 CoverageAnalysis]: Checked inductivity of 1173 backedges. 476 proven. 153 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2020-10-12 16:07:21,008 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [52024035] [2020-10-12 16:07:21,008 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:07:21,008 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2020-10-12 16:07:21,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023468850] [2020-10-12 16:07:21,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 39 states [2020-10-12 16:07:21,009 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:07:21,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2020-10-12 16:07:21,010 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=381, Invalid=1101, Unknown=0, NotChecked=0, Total=1482 [2020-10-12 16:07:21,010 INFO L87 Difference]: Start difference. First operand 151 states and 152 transitions. Second operand 39 states. [2020-10-12 16:07:22,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:07:22,154 INFO L93 Difference]: Finished difference Result 214 states and 233 transitions. [2020-10-12 16:07:22,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-12 16:07:22,156 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 148 [2020-10-12 16:07:22,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:07:22,158 INFO L225 Difference]: With dead ends: 214 [2020-10-12 16:07:22,159 INFO L226 Difference]: Without dead ends: 152 [2020-10-12 16:07:22,160 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 476 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=799, Invalid=2507, Unknown=0, NotChecked=0, Total=3306 [2020-10-12 16:07:22,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2020-10-12 16:07:22,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2020-10-12 16:07:22,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2020-10-12 16:07:22,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 153 transitions. [2020-10-12 16:07:22,170 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 153 transitions. Word has length 148 [2020-10-12 16:07:22,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:07:22,170 INFO L479 AbstractCegarLoop]: Abstraction has 152 states and 153 transitions. [2020-10-12 16:07:22,171 INFO L480 AbstractCegarLoop]: Interpolant automaton has 39 states. [2020-10-12 16:07:22,171 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 153 transitions. [2020-10-12 16:07:22,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-12 16:07:22,172 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:07:22,172 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:07:22,172 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-10-12 16:07:22,172 INFO L427 AbstractCegarLoop]: === Iteration 36 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:07:22,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:07:22,172 INFO L82 PathProgramCache]: Analyzing trace with hash -822137095, now seen corresponding path program 34 times [2020-10-12 16:07:22,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:07:22,173 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1180390236] [2020-10-12 16:07:22,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:07:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:22,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:22,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:22,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 191 [2020-10-12 16:07:22,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:22,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 782 [2020-10-12 16:07:22,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:22,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-12 16:07:22,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:07:22,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-12 16:07:22,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:23,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:07:23,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:23,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:23,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:23,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:07:23,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:23,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:23,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:23,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:07:23,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:23,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:07:23,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:23,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:07:23,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:23,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:23,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:23,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:23,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:23,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:07:23,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:23,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:23,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:23,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:23,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:23,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 16:07:23,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:23,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:23,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:23,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:23,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:23,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:23,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:23,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:23,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:23,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:23,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:23,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 16:07:23,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:23,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:23,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:23,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:23,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:23,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:23,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:23,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:23,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:23,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:23,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:23,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 16:07:23,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:23,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:23,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:23,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:23,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:23,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:23,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:23,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:23,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:23,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:23,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:23,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 16:07:23,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:23,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:23,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:23,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:23,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:23,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:23,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:23,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:23,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:23,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:23,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:23,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 16:07:23,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:23,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:23,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:23,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:23,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:23,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:23,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:23,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:23,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:23,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:23,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:23,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:07:23,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:23,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:23,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:23,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:23,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:23,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:23,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:23,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:23,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:23,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:23,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:23,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 16:07:23,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:23,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:23,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:23,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:23,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:23,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:23,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:23,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:23,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:23,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:23,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:23,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 16:07:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:23,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:23,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:23,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:23,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:23,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:23,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:23,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:23,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:23,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:23,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:23,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 16:07:23,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:23,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:23,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:23,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:23,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:23,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:23,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:23,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:23,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:23,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:23,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:07:23,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-12 16:07:23,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:23,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:23,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:23,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:23,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:23,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:23,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:23,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:23,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:23,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:23,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:23,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-12 16:07:23,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:23,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:23,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:23,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:23,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:23,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:23,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:23,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:23,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:23,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:23,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:23,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 16:07:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:23,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:23,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:23,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:23,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:23,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:23,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:23,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:23,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:23,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:23,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:23,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 16:07:23,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:23,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:23,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:23,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:23,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:23,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:23,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:23,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:23,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:23,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:23,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:23,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 16:07:23,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:23,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:23,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:23,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:23,347 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:23,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:23,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:23,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:23,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:23,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:23,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:23,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 16:07:23,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:23,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:23,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:23,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:23,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:23,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:23,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:23,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:23,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:23,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:23,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:23,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-12 16:07:23,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:23,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:23,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:23,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:23,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:23,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:23,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:23,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:23,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:23,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:23,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:23,376 INFO L134 CoverageAnalysis]: Checked inductivity of 1191 backedges. 205 proven. 442 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2020-10-12 16:07:23,378 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1180390236] [2020-10-12 16:07:23,378 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:07:23,378 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-12 16:07:23,378 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097269410] [2020-10-12 16:07:23,379 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-12 16:07:23,379 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:07:23,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-12 16:07:23,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=214, Invalid=292, Unknown=0, NotChecked=0, Total=506 [2020-10-12 16:07:23,380 INFO L87 Difference]: Start difference. First operand 152 states and 153 transitions. Second operand 23 states. [2020-10-12 16:07:23,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:07:23,581 INFO L93 Difference]: Finished difference Result 165 states and 167 transitions. [2020-10-12 16:07:23,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-12 16:07:23,582 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 149 [2020-10-12 16:07:23,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:07:23,584 INFO L225 Difference]: With dead ends: 165 [2020-10-12 16:07:23,584 INFO L226 Difference]: Without dead ends: 163 [2020-10-12 16:07:23,584 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 [2020-10-12 16:07:23,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-10-12 16:07:23,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 159. [2020-10-12 16:07:23,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-10-12 16:07:23,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 160 transitions. [2020-10-12 16:07:23,594 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 160 transitions. Word has length 149 [2020-10-12 16:07:23,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:07:23,594 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 160 transitions. [2020-10-12 16:07:23,594 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-12 16:07:23,594 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 160 transitions. [2020-10-12 16:07:23,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2020-10-12 16:07:23,595 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:07:23,596 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:07:23,596 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-10-12 16:07:23,596 INFO L427 AbstractCegarLoop]: === Iteration 37 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:07:23,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:07:23,596 INFO L82 PathProgramCache]: Analyzing trace with hash -1751343759, now seen corresponding path program 35 times [2020-10-12 16:07:23,596 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:07:23,596 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1641885193] [2020-10-12 16:07:23,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:07:23,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:23,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:24,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:24,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 200 [2020-10-12 16:07:24,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:24,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 723 [2020-10-12 16:07:24,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:24,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-10-12 16:07:24,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:07:24,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 184 [2020-10-12 16:07:24,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:25,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:07:25,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:25,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:25,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:25,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:07:25,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:25,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:25,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:25,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:07:25,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:25,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:07:25,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:25,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:07:25,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:25,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:25,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:25,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:25,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:25,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:25,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:25,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:25,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:25,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:25,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:25,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 16:07:25,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:25,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:25,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:25,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:25,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:25,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:25,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:25,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:25,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:25,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:25,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:25,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 16:07:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:25,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:25,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:25,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:25,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:25,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:25,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:25,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:25,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:25,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:25,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:25,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 16:07:25,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:25,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:25,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:25,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:25,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:25,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:25,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:25,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:25,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:25,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:25,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:25,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 16:07:25,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:25,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:25,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:25,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:25,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:25,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:25,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:25,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:25,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:25,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:25,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:25,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 16:07:25,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:25,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:25,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:25,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:25,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:25,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:25,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:25,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:25,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:25,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:25,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:25,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:07:25,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:25,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:25,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:25,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:25,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:25,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:25,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:25,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:25,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:25,063 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:25,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:25,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 16:07:25,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:25,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:25,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:25,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:25,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:25,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:25,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:25,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:25,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:25,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:25,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:25,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 16:07:25,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:25,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:25,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:25,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:25,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:25,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:25,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:25,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:25,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:25,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:25,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:25,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 16:07:25,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:25,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:25,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:25,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:25,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:25,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:25,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:25,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:25,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:25,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:25,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:25,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-12 16:07:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:25,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:25,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:25,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:25,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:25,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:25,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:25,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:25,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:25,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:25,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:25,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-12 16:07:25,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:25,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:25,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:25,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:25,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:25,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:25,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:25,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:25,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:25,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:25,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:25,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 16:07:25,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:25,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:25,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:25,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:25,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:25,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:25,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:25,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:25,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:25,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:25,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:25,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 16:07:25,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:25,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:25,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:25,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:25,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:25,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:25,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:25,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:25,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:25,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:25,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:25,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 16:07:25,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:25,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:25,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:25,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:25,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:25,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:25,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:25,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:25,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:25,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:25,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:25,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 16:07:25,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:25,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:25,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:25,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:25,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:25,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:25,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:25,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:25,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:25,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:25,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:25,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-12 16:07:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:25,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:25,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:25,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:25,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:25,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:25,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:25,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:25,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:25,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:25,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:25,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 16:07:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:25,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:25,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:25,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:25,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:25,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:25,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:25,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:25,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:25,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:25,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:25,128 INFO L134 CoverageAnalysis]: Checked inductivity of 1314 backedges. 531 proven. 171 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2020-10-12 16:07:25,128 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1641885193] [2020-10-12 16:07:25,128 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:07:25,128 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2020-10-12 16:07:25,129 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965992143] [2020-10-12 16:07:25,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 41 states [2020-10-12 16:07:25,129 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:07:25,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2020-10-12 16:07:25,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=421, Invalid=1219, Unknown=0, NotChecked=0, Total=1640 [2020-10-12 16:07:25,130 INFO L87 Difference]: Start difference. First operand 159 states and 160 transitions. Second operand 41 states. [2020-10-12 16:07:26,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:07:26,445 INFO L93 Difference]: Finished difference Result 225 states and 245 transitions. [2020-10-12 16:07:26,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-10-12 16:07:26,446 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 156 [2020-10-12 16:07:26,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:07:26,447 INFO L225 Difference]: With dead ends: 225 [2020-10-12 16:07:26,447 INFO L226 Difference]: Without dead ends: 160 [2020-10-12 16:07:26,449 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 531 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=881, Invalid=2779, Unknown=0, NotChecked=0, Total=3660 [2020-10-12 16:07:26,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-10-12 16:07:26,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2020-10-12 16:07:26,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2020-10-12 16:07:26,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 161 transitions. [2020-10-12 16:07:26,459 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 161 transitions. Word has length 156 [2020-10-12 16:07:26,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:07:26,459 INFO L479 AbstractCegarLoop]: Abstraction has 160 states and 161 transitions. [2020-10-12 16:07:26,460 INFO L480 AbstractCegarLoop]: Interpolant automaton has 41 states. [2020-10-12 16:07:26,460 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 161 transitions. [2020-10-12 16:07:26,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-12 16:07:26,461 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:07:26,461 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:07:26,461 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-10-12 16:07:26,462 INFO L427 AbstractCegarLoop]: === Iteration 38 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:07:26,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:07:26,462 INFO L82 PathProgramCache]: Analyzing trace with hash -806482376, now seen corresponding path program 36 times [2020-10-12 16:07:26,462 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:07:26,462 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [831297324] [2020-10-12 16:07:26,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:07:26,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:26,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:27,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:27,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 201 [2020-10-12 16:07:27,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:27,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 781 [2020-10-12 16:07:27,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:27,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-12 16:07:27,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:07:27,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 190 [2020-10-12 16:07:27,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:27,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:07:27,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:27,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:27,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:27,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:07:27,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:27,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:27,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:27,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:07:27,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:27,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:07:27,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:27,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 16:07:27,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:27,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:27,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:27,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:27,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:27,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:27,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:27,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:27,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:27,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:27,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:27,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 16:07:27,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:27,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:27,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:27,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:27,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:27,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:27,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:27,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:27,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:27,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:27,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:27,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:07:27,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:27,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:27,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:27,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:27,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:27,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:27,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:27,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:27,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:27,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:27,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:27,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 16:07:27,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:27,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:27,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:27,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:27,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:27,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:27,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:27,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:27,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:27,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:27,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:27,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 16:07:27,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:27,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:27,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:27,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:27,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:27,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:27,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:27,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:27,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:27,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:27,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:27,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-12 16:07:27,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:27,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:27,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:27,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:27,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:27,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:27,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:27,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:27,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:27,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:27,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:27,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 16:07:27,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:27,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:27,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:27,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:27,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:27,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:27,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:27,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:27,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:27,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:27,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:27,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-12 16:07:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:27,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:27,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:27,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:27,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:27,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:27,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:27,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:27,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:27,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:27,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:27,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-12 16:07:27,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:27,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:27,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:27,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:27,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:27,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:27,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:27,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:27,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:27,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:27,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:27,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-12 16:07:27,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:27,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:27,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:27,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:27,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:27,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:27,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:27,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:27,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:27,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:27,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:27,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-12 16:07:27,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:27,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:27,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:27,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:27,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:27,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:27,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:27,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:27,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:27,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:27,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:27,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 16:07:27,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:27,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:27,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:27,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:27,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:27,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:27,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:27,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:27,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:27,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:27,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:27,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-12 16:07:27,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:27,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:27,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:27,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:27,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:27,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:27,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:27,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:27,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:27,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:27,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:27,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-12 16:07:27,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:27,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:27,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:27,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:27,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:27,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:27,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:27,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:27,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:27,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:27,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:27,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-12 16:07:27,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:27,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:27,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:27,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:27,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:27,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:27,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:27,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:27,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:27,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:27,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:27,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-12 16:07:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:27,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:27,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:27,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:27,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:27,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:27,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:27,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:27,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:27,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:27,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:27,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 16:07:27,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:27,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:27,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:27,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:27,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:27,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:27,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:27,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:27,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:27,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:27,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:27,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-12 16:07:27,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:27,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:27,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:27,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:27,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:27,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:27,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:27,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:27,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:27,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:27,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:27,636 INFO L134 CoverageAnalysis]: Checked inductivity of 1333 backedges. 226 proven. 495 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2020-10-12 16:07:27,636 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [831297324] [2020-10-12 16:07:27,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:07:27,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-12 16:07:27,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578713995] [2020-10-12 16:07:27,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-12 16:07:27,637 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:07:27,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-12 16:07:27,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=317, Unknown=0, NotChecked=0, Total=552 [2020-10-12 16:07:27,638 INFO L87 Difference]: Start difference. First operand 160 states and 161 transitions. Second operand 24 states. [2020-10-12 16:07:27,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:07:27,859 INFO L93 Difference]: Finished difference Result 173 states and 175 transitions. [2020-10-12 16:07:27,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-12 16:07:27,859 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 157 [2020-10-12 16:07:27,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:07:27,861 INFO L225 Difference]: With dead ends: 173 [2020-10-12 16:07:27,861 INFO L226 Difference]: Without dead ends: 171 [2020-10-12 16:07:27,862 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 [2020-10-12 16:07:27,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-10-12 16:07:27,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 167. [2020-10-12 16:07:27,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2020-10-12 16:07:27,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 168 transitions. [2020-10-12 16:07:27,872 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 168 transitions. Word has length 157 [2020-10-12 16:07:27,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:07:27,873 INFO L479 AbstractCegarLoop]: Abstraction has 167 states and 168 transitions. [2020-10-12 16:07:27,873 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-12 16:07:27,873 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 168 transitions. [2020-10-12 16:07:27,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2020-10-12 16:07:27,874 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:07:27,874 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:07:27,874 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2020-10-12 16:07:27,874 INFO L427 AbstractCegarLoop]: === Iteration 39 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:07:27,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:07:27,875 INFO L82 PathProgramCache]: Analyzing trace with hash 91154770, now seen corresponding path program 37 times [2020-10-12 16:07:27,875 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:07:27,875 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1162445351] [2020-10-12 16:07:27,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:07:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:27,910 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:28,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:28,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 210 [2020-10-12 16:07:28,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:28,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 842 [2020-10-12 16:07:28,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:28,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-12 16:07:28,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:07:28,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 194 [2020-10-12 16:07:28,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:29,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:07:29,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:29,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:29,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:29,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:07:29,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:29,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:29,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:29,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:07:29,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:29,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:07:29,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:29,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 16:07:29,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:29,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:29,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:29,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:29,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:29,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:29,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:29,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:29,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:29,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:29,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:29,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 16:07:29,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:29,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:29,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:29,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:29,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:29,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:29,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:29,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:29,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:29,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:29,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:29,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:07:29,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:29,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:29,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:29,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:29,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:29,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:29,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:29,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:29,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:29,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:29,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:29,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 16:07:29,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:29,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:29,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:29,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:29,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:29,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:29,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:29,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:29,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:29,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:29,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:29,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 16:07:29,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:29,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:29,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:29,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:29,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:29,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:29,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:29,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:29,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:29,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:29,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:29,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-12 16:07:29,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:29,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:29,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:29,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:29,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:29,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:29,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:29,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:29,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:29,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:29,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:29,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 16:07:29,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:29,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:29,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:29,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:29,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:29,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:29,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:29,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:29,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:29,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:29,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:29,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-12 16:07:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:29,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:29,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:29,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:29,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:29,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:29,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:29,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:29,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:29,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:29,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:29,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-12 16:07:29,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:29,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:29,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:29,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:29,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:29,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:29,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:29,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:29,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:29,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:29,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:29,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-12 16:07:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:29,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:29,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:29,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:29,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:29,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:29,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:29,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:29,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:29,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:29,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:29,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-12 16:07:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:29,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:29,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:29,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:29,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:29,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:29,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:29,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:29,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:29,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:29,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:29,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 16:07:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:29,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:29,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:29,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:29,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:29,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:29,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:29,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:29,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:29,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:29,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:29,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-12 16:07:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:29,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:29,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:29,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:29,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:29,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:29,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:29,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:29,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:29,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:29,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:29,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-12 16:07:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:29,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:29,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:29,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:29,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:29,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:29,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:29,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:29,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:29,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:29,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:29,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-12 16:07:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:29,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:29,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:29,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:29,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:29,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:29,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:29,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:29,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:29,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:29,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:29,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-12 16:07:29,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:29,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:29,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:29,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:29,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:29,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:29,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:29,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:29,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:29,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:29,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:29,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 16:07:29,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:29,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:29,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:29,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:29,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:29,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:29,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:29,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:29,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:29,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:29,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:29,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-12 16:07:29,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:29,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:29,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:29,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:29,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:29,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:29,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:29,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:29,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:29,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:29,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:29,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-12 16:07:29,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:29,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:29,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:29,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:29,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:29,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:29,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:29,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:29,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:29,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:29,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:29,617 INFO L134 CoverageAnalysis]: Checked inductivity of 1463 backedges. 589 proven. 190 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2020-10-12 16:07:29,617 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1162445351] [2020-10-12 16:07:29,618 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:07:29,618 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2020-10-12 16:07:29,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278978040] [2020-10-12 16:07:29,618 INFO L459 AbstractCegarLoop]: Interpolant automaton has 43 states [2020-10-12 16:07:29,618 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:07:29,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2020-10-12 16:07:29,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=463, Invalid=1343, Unknown=0, NotChecked=0, Total=1806 [2020-10-12 16:07:29,620 INFO L87 Difference]: Start difference. First operand 167 states and 168 transitions. Second operand 43 states. [2020-10-12 16:07:30,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:07:30,924 INFO L93 Difference]: Finished difference Result 236 states and 257 transitions. [2020-10-12 16:07:30,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-10-12 16:07:30,927 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 164 [2020-10-12 16:07:30,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:07:30,929 INFO L225 Difference]: With dead ends: 236 [2020-10-12 16:07:30,929 INFO L226 Difference]: Without dead ends: 168 [2020-10-12 16:07:30,930 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 [2020-10-12 16:07:30,931 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2020-10-12 16:07:30,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2020-10-12 16:07:30,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2020-10-12 16:07:30,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 169 transitions. [2020-10-12 16:07:30,940 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 169 transitions. Word has length 164 [2020-10-12 16:07:30,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:07:30,941 INFO L479 AbstractCegarLoop]: Abstraction has 168 states and 169 transitions. [2020-10-12 16:07:30,941 INFO L480 AbstractCegarLoop]: Interpolant automaton has 43 states. [2020-10-12 16:07:30,941 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 169 transitions. [2020-10-12 16:07:30,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2020-10-12 16:07:30,942 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:07:30,942 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:07:30,942 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2020-10-12 16:07:30,942 INFO L427 AbstractCegarLoop]: === Iteration 40 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:07:30,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:07:30,942 INFO L82 PathProgramCache]: Analyzing trace with hash -1904041191, now seen corresponding path program 38 times [2020-10-12 16:07:30,942 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:07:30,943 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [437585059] [2020-10-12 16:07:30,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:07:30,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:30,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:31,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:31,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-10-12 16:07:31,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:31,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1007 [2020-10-12 16:07:31,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:31,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-12 16:07:31,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:07:31,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 200 [2020-10-12 16:07:31,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:32,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:07:32,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:32,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:32,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:32,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:07:32,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:32,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:32,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:32,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:07:32,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:32,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:07:32,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:32,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 16:07:32,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:32,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:32,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:32,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:32,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:32,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:32,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:32,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:32,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:32,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:32,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:32,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 16:07:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:32,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:32,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:32,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:32,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:32,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:32,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:32,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:32,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:32,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:32,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:32,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 16:07:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:32,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:32,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:32,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:32,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:32,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:32,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:32,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:32,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:32,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:32,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:32,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 16:07:32,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:32,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:32,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:32,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:32,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:32,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:32,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:32,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:32,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:32,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:32,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:32,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 16:07:32,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:32,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:32,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:32,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:32,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:32,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:32,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:32,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:32,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:32,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:32,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:32,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-12 16:07:32,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:32,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:32,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:32,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:32,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:32,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:32,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:32,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:32,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:32,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:32,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:32,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-12 16:07:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:32,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:32,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:32,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:32,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:32,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:32,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:32,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:32,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:32,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:32,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:32,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:07:32,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:32,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:32,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:32,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:32,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:32,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:32,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:32,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:32,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:32,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:32,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:32,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-12 16:07:32,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:32,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:32,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:32,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:32,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:32,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:32,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:32,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:32,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:32,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:32,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:32,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 16:07:32,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:32,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:32,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:32,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:32,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:32,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:32,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:32,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:32,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:32,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:32,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:32,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-12 16:07:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:32,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:32,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:32,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:32,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:32,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:32,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:32,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:32,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:32,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:32,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:32,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 16:07:32,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:32,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:32,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:32,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:32,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:32,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:32,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:32,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:32,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:32,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:32,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:32,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-12 16:07:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:32,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:32,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:32,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:32,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:32,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:32,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:32,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:32,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:32,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:32,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:32,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-12 16:07:32,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:32,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:32,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:32,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:32,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:32,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:32,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:32,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:32,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:32,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:32,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:32,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-12 16:07:32,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:32,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:32,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:32,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:32,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:32,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:32,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:32,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:32,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:32,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:32,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:32,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-12 16:07:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:32,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:32,347 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:32,347 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:32,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:32,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:32,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:32,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:32,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:32,348 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:32,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:32,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 16:07:32,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:32,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:32,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:32,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:32,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:32,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:32,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:32,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:32,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:32,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:32,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:32,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-12 16:07:32,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:32,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:32,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:32,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:32,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:32,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:32,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:32,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:32,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:32,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:32,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:32,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-12 16:07:32,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:32,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:32,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:32,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:32,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:32,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:32,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:32,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:32,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:32,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:32,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:32,375 INFO L134 CoverageAnalysis]: Checked inductivity of 1483 backedges. 248 proven. 551 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2020-10-12 16:07:32,375 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [437585059] [2020-10-12 16:07:32,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:07:32,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-12 16:07:32,376 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [310184413] [2020-10-12 16:07:32,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-12 16:07:32,376 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:07:32,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-12 16:07:32,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=257, Invalid=343, Unknown=0, NotChecked=0, Total=600 [2020-10-12 16:07:32,377 INFO L87 Difference]: Start difference. First operand 168 states and 169 transitions. Second operand 25 states. [2020-10-12 16:07:32,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:07:32,616 INFO L93 Difference]: Finished difference Result 181 states and 183 transitions. [2020-10-12 16:07:32,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-12 16:07:32,616 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 165 [2020-10-12 16:07:32,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:07:32,618 INFO L225 Difference]: With dead ends: 181 [2020-10-12 16:07:32,618 INFO L226 Difference]: Without dead ends: 179 [2020-10-12 16:07:32,619 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=261, Invalid=389, Unknown=0, NotChecked=0, Total=650 [2020-10-12 16:07:32,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2020-10-12 16:07:32,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 175. [2020-10-12 16:07:32,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2020-10-12 16:07:32,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 176 transitions. [2020-10-12 16:07:32,628 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 176 transitions. Word has length 165 [2020-10-12 16:07:32,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:07:32,628 INFO L479 AbstractCegarLoop]: Abstraction has 175 states and 176 transitions. [2020-10-12 16:07:32,628 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-12 16:07:32,628 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 176 transitions. [2020-10-12 16:07:32,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-10-12 16:07:32,629 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:07:32,629 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:07:32,630 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2020-10-12 16:07:32,630 INFO L427 AbstractCegarLoop]: === Iteration 41 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:07:32,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:07:32,630 INFO L82 PathProgramCache]: Analyzing trace with hash -214678191, now seen corresponding path program 39 times [2020-10-12 16:07:32,630 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:07:32,630 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [332717572] [2020-10-12 16:07:32,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:07:32,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:32,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:33,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:33,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 220 [2020-10-12 16:07:33,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:33,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 996 [2020-10-12 16:07:33,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:33,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-10-12 16:07:33,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:07:33,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 204 [2020-10-12 16:07:33,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:34,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:07:34,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:34,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:34,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:34,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:07:34,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:34,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:34,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:34,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:07:34,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:34,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:07:34,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:34,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 16:07:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:34,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:34,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:34,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:34,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:34,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:34,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:34,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:34,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:34,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:34,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:34,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 16:07:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:34,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:34,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:34,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:34,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:34,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:34,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:34,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:34,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:34,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:34,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:34,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 16:07:34,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:34,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:34,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:34,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:34,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:34,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:34,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:34,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:34,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:34,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:34,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:34,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 16:07:34,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:34,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:34,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:34,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:34,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:34,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:34,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:34,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:34,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:34,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:34,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:34,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 16:07:34,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:34,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:34,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:34,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:34,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:34,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:34,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:34,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:34,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:34,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:34,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:34,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-12 16:07:34,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:34,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:34,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:34,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:34,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:34,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:34,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:34,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:34,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:34,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:34,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:34,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-12 16:07:34,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:34,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:34,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:34,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:34,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:34,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:34,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:34,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:34,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:34,542 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:34,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:34,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:07:34,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:34,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:34,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:34,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:34,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:34,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:34,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:34,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:34,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:34,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:34,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:34,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-12 16:07:34,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:34,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:34,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:34,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:34,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:34,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:34,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:34,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:34,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:34,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:34,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:34,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 16:07:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:34,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:34,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:34,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:34,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:34,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:34,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:34,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:34,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:34,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:34,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:34,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-12 16:07:34,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:34,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:34,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:34,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:34,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:34,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:34,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:34,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:34,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:34,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:34,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:34,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 16:07:34,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:34,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:34,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:34,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:34,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:34,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:34,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:34,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:34,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:34,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:34,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:34,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-12 16:07:34,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:34,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:34,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:34,567 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:34,567 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:34,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:34,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:34,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:34,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:34,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:34,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:34,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-12 16:07:34,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:34,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:34,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:34,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:34,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:34,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:34,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:34,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:34,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:34,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:34,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:34,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-12 16:07:34,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:34,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:34,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:34,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:34,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:34,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:34,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:34,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:34,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:34,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:34,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:34,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-12 16:07:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:34,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:34,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:34,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:34,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:34,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:34,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:34,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:34,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:34,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:34,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:34,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 16:07:34,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:34,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:34,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:34,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:34,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:34,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:34,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:34,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:34,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:34,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:34,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:34,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-12 16:07:34,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:34,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:34,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:34,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:34,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:34,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:34,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:34,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:34,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:34,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:34,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:34,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-12 16:07:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:34,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:34,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:34,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:34,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:34,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:34,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:34,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:34,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:34,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:34,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:34,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-12 16:07:34,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:34,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:34,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:34,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:34,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:34,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:34,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:34,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:34,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:34,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:34,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:34,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1620 backedges. 650 proven. 210 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2020-10-12 16:07:34,614 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [332717572] [2020-10-12 16:07:34,615 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:07:34,615 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2020-10-12 16:07:34,615 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218580194] [2020-10-12 16:07:34,615 INFO L459 AbstractCegarLoop]: Interpolant automaton has 45 states [2020-10-12 16:07:34,615 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:07:34,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2020-10-12 16:07:34,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=507, Invalid=1473, Unknown=0, NotChecked=0, Total=1980 [2020-10-12 16:07:34,616 INFO L87 Difference]: Start difference. First operand 175 states and 176 transitions. Second operand 45 states. [2020-10-12 16:07:35,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:07:35,670 INFO L93 Difference]: Finished difference Result 247 states and 269 transitions. [2020-10-12 16:07:35,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-10-12 16:07:35,671 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 172 [2020-10-12 16:07:35,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:07:35,672 INFO L225 Difference]: With dead ends: 247 [2020-10-12 16:07:35,672 INFO L226 Difference]: Without dead ends: 176 [2020-10-12 16:07:35,675 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 650 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1057, Invalid=3365, Unknown=0, NotChecked=0, Total=4422 [2020-10-12 16:07:35,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-10-12 16:07:35,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2020-10-12 16:07:35,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2020-10-12 16:07:35,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 177 transitions. [2020-10-12 16:07:35,686 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 177 transitions. Word has length 172 [2020-10-12 16:07:35,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:07:35,686 INFO L479 AbstractCegarLoop]: Abstraction has 176 states and 177 transitions. [2020-10-12 16:07:35,686 INFO L480 AbstractCegarLoop]: Interpolant automaton has 45 states. [2020-10-12 16:07:35,687 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 177 transitions. [2020-10-12 16:07:35,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-12 16:07:35,688 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:07:35,688 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:07:35,688 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2020-10-12 16:07:35,688 INFO L427 AbstractCegarLoop]: === Iteration 42 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:07:35,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:07:35,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1857112088, now seen corresponding path program 40 times [2020-10-12 16:07:35,689 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:07:35,689 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1840229672] [2020-10-12 16:07:35,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:07:35,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:35,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:36,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:36,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 221 [2020-10-12 16:07:36,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:36,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1058 [2020-10-12 16:07:36,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:36,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-12 16:07:36,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:07:36,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 210 [2020-10-12 16:07:36,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:37,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:07:37,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:37,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:37,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:37,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:07:37,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:37,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:37,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:37,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:07:37,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:37,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:07:37,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:37,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 16:07:37,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:37,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:37,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:37,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:37,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:37,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:37,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:37,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:37,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:37,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:37,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:37,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 16:07:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:37,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:37,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:37,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:37,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:37,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:37,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:37,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:37,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:37,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:37,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:37,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 16:07:37,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:37,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:37,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:37,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:37,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:37,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:37,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:37,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:37,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:37,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:37,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:37,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:07:37,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:37,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:37,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:37,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:37,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:37,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:37,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:37,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:37,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:37,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:37,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:37,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 16:07:37,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:37,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:37,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:37,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:37,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:37,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:37,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:37,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:37,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:37,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:37,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:37,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 16:07:37,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:37,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:37,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:37,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:37,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:37,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:37,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:37,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:37,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:37,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:37,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:37,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 16:07:37,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:37,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:37,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:37,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:37,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:37,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:37,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:37,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:37,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:37,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:37,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:37,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 16:07:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:37,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:37,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:37,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:37,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:37,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:37,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:37,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:37,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:37,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:37,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:37,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 16:07:37,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:37,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:37,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:37,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:37,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:37,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:37,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:37,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:37,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:37,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:37,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:37,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 16:07:37,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:37,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:37,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:37,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:37,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:37,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:37,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:37,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:37,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:37,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:37,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:37,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 16:07:37,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:37,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:37,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:37,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:37,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:37,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:37,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:37,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:37,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:37,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:37,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:37,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 16:07:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:37,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:37,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:37,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:37,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:37,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:37,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:37,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:37,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:37,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:37,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:37,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 16:07:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:37,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:37,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:37,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:37,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:37,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:37,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:37,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:37,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:37,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:37,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:37,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 16:07:37,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:37,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:37,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:37,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:37,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:37,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:37,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:37,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:37,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:37,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:37,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:37,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-12 16:07:37,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:37,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:37,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:37,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:37,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:37,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:37,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:37,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:37,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:37,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:37,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:37,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 16:07:37,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:37,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:37,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:37,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:37,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:37,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:37,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:37,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:37,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:37,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:37,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:37,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-12 16:07:37,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:37,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:37,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:37,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:37,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:37,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:37,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:37,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:37,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:37,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:37,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:37,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-12 16:07:37,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:37,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:37,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:37,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:37,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:37,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:37,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:37,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:37,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:37,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:37,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:37,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 16:07:37,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:37,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:37,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:37,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:37,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:37,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:37,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:37,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:37,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:37,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:37,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:37,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-12 16:07:37,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:37,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:37,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:37,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:37,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:37,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:37,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:37,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:37,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:37,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:37,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:37,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1641 backedges. 271 proven. 610 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2020-10-12 16:07:37,223 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1840229672] [2020-10-12 16:07:37,223 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:07:37,224 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-10-12 16:07:37,224 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101463448] [2020-10-12 16:07:37,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-12 16:07:37,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:07:37,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-12 16:07:37,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=280, Invalid=370, Unknown=0, NotChecked=0, Total=650 [2020-10-12 16:07:37,225 INFO L87 Difference]: Start difference. First operand 176 states and 177 transitions. Second operand 26 states. [2020-10-12 16:07:37,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:07:37,474 INFO L93 Difference]: Finished difference Result 189 states and 191 transitions. [2020-10-12 16:07:37,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-12 16:07:37,474 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 173 [2020-10-12 16:07:37,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:07:37,477 INFO L225 Difference]: With dead ends: 189 [2020-10-12 16:07:37,477 INFO L226 Difference]: Without dead ends: 187 [2020-10-12 16:07:37,478 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 [2020-10-12 16:07:37,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-10-12 16:07:37,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 183. [2020-10-12 16:07:37,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2020-10-12 16:07:37,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 184 transitions. [2020-10-12 16:07:37,488 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 184 transitions. Word has length 173 [2020-10-12 16:07:37,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:07:37,489 INFO L479 AbstractCegarLoop]: Abstraction has 183 states and 184 transitions. [2020-10-12 16:07:37,489 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-12 16:07:37,489 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 184 transitions. [2020-10-12 16:07:37,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-10-12 16:07:37,490 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:07:37,490 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:07:37,490 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2020-10-12 16:07:37,490 INFO L427 AbstractCegarLoop]: === Iteration 43 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:07:37,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:07:37,491 INFO L82 PathProgramCache]: Analyzing trace with hash -581905550, now seen corresponding path program 41 times [2020-10-12 16:07:37,491 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:07:37,491 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1822414076] [2020-10-12 16:07:37,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:07:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:37,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:38,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:38,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 230 [2020-10-12 16:07:38,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:38,555 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1035 [2020-10-12 16:07:38,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:38,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-12 16:07:38,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:07:38,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 214 [2020-10-12 16:07:38,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:39,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:07:39,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:39,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:39,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:39,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:07:39,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:39,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:39,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:39,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:07:39,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:39,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:07:39,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:39,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 16:07:39,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:39,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:39,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:39,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:39,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:39,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:39,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:39,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:39,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:39,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:39,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:39,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 16:07:39,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:39,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:39,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:39,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:39,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:39,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:39,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:39,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:39,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:39,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:39,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:39,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 16:07:39,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:39,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:39,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:39,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:39,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:39,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:39,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:39,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:39,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:39,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:39,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:39,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:07:39,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:39,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:39,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:39,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:39,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:39,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:39,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:39,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:39,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:39,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:39,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:39,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 16:07:39,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:39,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:39,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:39,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:39,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:39,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:39,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:39,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:39,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:39,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:39,544 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:39,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 16:07:39,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:39,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:39,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:39,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:39,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:39,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:39,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:39,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:39,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:39,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:39,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:39,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 16:07:39,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:39,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:39,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:39,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:39,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:39,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:39,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:39,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:39,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:39,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:39,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:39,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 16:07:39,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:39,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:39,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:39,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:39,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:39,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:39,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:39,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:39,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:39,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:39,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:39,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 16:07:39,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:39,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:39,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:39,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:39,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:39,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:39,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:39,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:39,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:39,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:39,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:39,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 16:07:39,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:39,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:39,567 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:39,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:39,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:39,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:39,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:39,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:39,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:39,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:39,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:39,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 16:07:39,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:39,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:39,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:39,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:39,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:39,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:39,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:39,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:39,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:39,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:39,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:39,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 16:07:39,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:39,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:39,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:39,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:39,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:39,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:39,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:39,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:39,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:39,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:39,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:39,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 16:07:39,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:39,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:39,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:39,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:39,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:39,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:39,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:39,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:39,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:39,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:39,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:39,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 16:07:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:39,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:39,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:39,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:39,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:39,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:39,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:39,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:39,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:39,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:39,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:39,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-12 16:07:39,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:39,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:39,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:39,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:39,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:39,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:39,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:39,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:39,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:39,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:39,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:39,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 16:07:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:39,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:39,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:39,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:39,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:39,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:39,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:39,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:39,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:39,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:39,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:39,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-12 16:07:39,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:39,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:39,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:39,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:39,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:39,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:39,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:39,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:39,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:39,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:39,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:39,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-12 16:07:39,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:39,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:39,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:39,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:39,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:39,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:39,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:39,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:39,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:39,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:39,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:39,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 16:07:39,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:39,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:39,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:39,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:39,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:39,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:39,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:39,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:39,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:39,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:39,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:39,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-12 16:07:39,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:39,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:39,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:39,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:39,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:39,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:39,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:39,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:39,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:39,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:39,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:39,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-12 16:07:39,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:39,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:39,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:39,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:39,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:39,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:39,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:39,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:39,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:39,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:39,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:39,626 INFO L134 CoverageAnalysis]: Checked inductivity of 1785 backedges. 714 proven. 231 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2020-10-12 16:07:39,626 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1822414076] [2020-10-12 16:07:39,626 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:07:39,626 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2020-10-12 16:07:39,626 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547939621] [2020-10-12 16:07:39,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 47 states [2020-10-12 16:07:39,627 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:07:39,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2020-10-12 16:07:39,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=553, Invalid=1609, Unknown=0, NotChecked=0, Total=2162 [2020-10-12 16:07:39,627 INFO L87 Difference]: Start difference. First operand 183 states and 184 transitions. Second operand 47 states. [2020-10-12 16:07:41,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:07:41,290 INFO L93 Difference]: Finished difference Result 258 states and 281 transitions. [2020-10-12 16:07:41,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-10-12 16:07:41,290 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 180 [2020-10-12 16:07:41,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:07:41,292 INFO L225 Difference]: With dead ends: 258 [2020-10-12 16:07:41,292 INFO L226 Difference]: Without dead ends: 184 [2020-10-12 16:07:41,293 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 [2020-10-12 16:07:41,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2020-10-12 16:07:41,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2020-10-12 16:07:41,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2020-10-12 16:07:41,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 185 transitions. [2020-10-12 16:07:41,304 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 185 transitions. Word has length 180 [2020-10-12 16:07:41,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:07:41,304 INFO L479 AbstractCegarLoop]: Abstraction has 184 states and 185 transitions. [2020-10-12 16:07:41,304 INFO L480 AbstractCegarLoop]: Interpolant automaton has 47 states. [2020-10-12 16:07:41,305 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 185 transitions. [2020-10-12 16:07:41,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-10-12 16:07:41,306 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:07:41,306 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:07:41,306 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2020-10-12 16:07:41,306 INFO L427 AbstractCegarLoop]: === Iteration 44 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:07:41,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:07:41,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1440620345, now seen corresponding path program 42 times [2020-10-12 16:07:41,307 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:07:41,307 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1721407791] [2020-10-12 16:07:41,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:07:41,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:41,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:42,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:42,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 231 [2020-10-12 16:07:42,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:42,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1116 [2020-10-12 16:07:42,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:42,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-12 16:07:42,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:07:42,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 220 [2020-10-12 16:07:42,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:42,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:07:42,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:42,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:42,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:42,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:07:42,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:42,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:42,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:42,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:07:42,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:42,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:07:42,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:42,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 16:07:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:42,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:42,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:42,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:42,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:42,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:42,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:42,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:42,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:42,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:42,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:42,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 16:07:42,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:42,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:42,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:42,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:42,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:42,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:42,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:42,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:42,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:42,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:42,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:42,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 16:07:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:42,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:42,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:42,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:42,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:42,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:42,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:42,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:42,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:42,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:42,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:42,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 16:07:42,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:42,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:42,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:42,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:42,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:42,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:42,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:42,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:42,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:42,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:42,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:42,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 16:07:42,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:42,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:42,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:42,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:42,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:42,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:42,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:42,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:42,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:42,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:42,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:42,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 16:07:42,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:42,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:42,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:42,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:42,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:42,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:42,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:42,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:42,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:42,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:42,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:42,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 16:07:42,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:42,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:42,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:42,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:42,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:42,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:42,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:42,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:42,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:42,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:42,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:42,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-12 16:07:42,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:42,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:42,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:42,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:42,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:42,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:42,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:42,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:42,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:42,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:42,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:42,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 16:07:42,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:42,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:42,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:42,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:42,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:42,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:42,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:42,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:42,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:42,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:42,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:42,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 16:07:42,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:42,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:42,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:42,865 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:42,865 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:42,865 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:42,865 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:42,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:42,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:42,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:42,866 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:42,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 16:07:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:42,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:42,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:42,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:42,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:42,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:42,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:42,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:42,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:42,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:42,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:42,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 16:07:42,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:42,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:42,871 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:42,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:42,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:42,871 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:42,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:42,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:42,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:42,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:42,872 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:42,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-12 16:07:42,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:42,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:42,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:42,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:42,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:42,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:42,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:42,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:42,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:42,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:42,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:42,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 16:07:42,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:42,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:42,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:42,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:42,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:42,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:42,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:42,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:42,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:42,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:42,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:42,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-12 16:07:42,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:42,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:42,880 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:42,880 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:42,880 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:42,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:42,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:42,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:42,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:42,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:42,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:42,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-12 16:07:42,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:42,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:42,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:42,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:42,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:42,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:42,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:42,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:42,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:42,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:42,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:42,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 16:07:42,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:42,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:42,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:42,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:42,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:42,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:42,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:42,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:42,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:42,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:42,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:42,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 16:07:42,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:42,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:42,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:42,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:42,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:42,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:42,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:42,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:42,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:42,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:42,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:42,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-12 16:07:42,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:42,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:42,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:42,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:42,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:42,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:42,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:42,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:42,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:42,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:42,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:42,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-12 16:07:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:42,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:42,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:42,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:42,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:42,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:42,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:42,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:42,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:42,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:42,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:42,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-12 16:07:42,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:42,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:42,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:42,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:42,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:42,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:42,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:42,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:42,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:42,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:42,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:42,926 INFO L134 CoverageAnalysis]: Checked inductivity of 1807 backedges. 295 proven. 672 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2020-10-12 16:07:42,926 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1721407791] [2020-10-12 16:07:42,926 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:07:42,926 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-12 16:07:42,926 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012390971] [2020-10-12 16:07:42,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-12 16:07:42,927 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:07:42,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-12 16:07:42,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=304, Invalid=398, Unknown=0, NotChecked=0, Total=702 [2020-10-12 16:07:42,927 INFO L87 Difference]: Start difference. First operand 184 states and 185 transitions. Second operand 27 states. [2020-10-12 16:07:43,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:07:43,178 INFO L93 Difference]: Finished difference Result 197 states and 199 transitions. [2020-10-12 16:07:43,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-12 16:07:43,182 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 181 [2020-10-12 16:07:43,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:07:43,183 INFO L225 Difference]: With dead ends: 197 [2020-10-12 16:07:43,183 INFO L226 Difference]: Without dead ends: 195 [2020-10-12 16:07:43,184 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 [2020-10-12 16:07:43,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2020-10-12 16:07:43,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 191. [2020-10-12 16:07:43,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2020-10-12 16:07:43,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 192 transitions. [2020-10-12 16:07:43,194 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 192 transitions. Word has length 181 [2020-10-12 16:07:43,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:07:43,195 INFO L479 AbstractCegarLoop]: Abstraction has 191 states and 192 transitions. [2020-10-12 16:07:43,195 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-12 16:07:43,195 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 192 transitions. [2020-10-12 16:07:43,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-10-12 16:07:43,196 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:07:43,196 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:07:43,196 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2020-10-12 16:07:43,196 INFO L427 AbstractCegarLoop]: === Iteration 45 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:07:43,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:07:43,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1297802545, now seen corresponding path program 43 times [2020-10-12 16:07:43,197 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:07:43,197 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [373995330] [2020-10-12 16:07:43,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:07:43,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:43,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:44,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:44,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 240 [2020-10-12 16:07:44,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:44,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1148 [2020-10-12 16:07:44,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:44,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 48 [2020-10-12 16:07:44,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:07:44,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 224 [2020-10-12 16:07:44,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:07:45,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:45,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:45,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:45,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:07:45,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:45,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:45,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:45,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:07:45,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:45,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:07:45,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 16:07:45,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:45,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:45,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:45,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:45,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:45,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:45,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:45,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:45,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:45,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:45,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 16:07:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:45,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:45,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:45,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:45,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:45,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:45,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:45,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:45,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:45,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:45,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 16:07:45,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:45,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:45,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:45,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:45,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:45,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:45,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:45,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:45,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:45,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:45,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 16:07:45,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:45,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:45,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:45,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:45,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:45,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:45,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:45,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:45,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:45,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:45,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 16:07:45,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:45,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:45,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:45,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:45,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:45,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:45,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:45,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:45,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:45,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:45,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 16:07:45,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:45,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:45,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:45,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:45,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:45,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:45,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:45,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:45,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:45,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:45,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 16:07:45,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:45,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:45,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:45,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:45,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:45,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:45,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:45,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:45,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:45,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:45,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-12 16:07:45,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:45,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:45,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:45,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:45,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:45,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:45,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:45,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:45,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:45,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:45,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 16:07:45,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:45,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:45,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:45,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:45,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:45,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:45,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:45,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:45,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:45,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:45,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 16:07:45,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:45,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:45,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:45,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:45,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:45,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:45,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:45,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:45,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:45,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:45,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 16:07:45,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:45,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:45,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:45,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:45,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:45,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:45,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:45,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:45,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:45,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:45,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 16:07:45,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:45,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:45,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:45,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:45,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:45,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:45,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:45,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:45,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:45,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:45,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-12 16:07:45,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:45,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:45,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:45,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:45,475 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:45,475 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:45,475 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:45,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:45,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:45,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:45,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 16:07:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:45,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:45,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:45,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:45,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:45,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:45,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:45,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:45,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:45,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:45,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-12 16:07:45,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:45,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:45,481 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:45,481 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:45,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:45,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:45,482 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:45,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:45,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:45,482 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:45,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-12 16:07:45,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:45,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:45,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:45,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:45,486 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:45,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:45,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:45,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:45,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:45,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:45,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 16:07:45,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:45,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:45,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:45,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:45,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:45,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:45,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:45,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:45,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:45,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:45,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 16:07:45,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:45,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:45,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:45,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:45,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:45,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:45,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:45,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:45,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:45,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:45,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-12 16:07:45,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:45,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:45,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:45,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:45,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:45,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:45,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:45,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:45,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:45,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:45,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-12 16:07:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:45,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:45,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:45,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:45,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:45,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:45,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:45,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:45,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:45,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:45,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-12 16:07:45,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:45,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:45,505 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:45,505 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:45,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:45,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:45,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:45,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:45,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:45,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:45,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-12 16:07:45,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:45,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:45,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:45,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:45,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:45,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:45,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:45,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:45,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:45,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:45,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,533 INFO L134 CoverageAnalysis]: Checked inductivity of 1958 backedges. 781 proven. 253 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2020-10-12 16:07:45,533 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [373995330] [2020-10-12 16:07:45,534 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:07:45,534 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2020-10-12 16:07:45,534 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [817590068] [2020-10-12 16:07:45,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 49 states [2020-10-12 16:07:45,534 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:07:45,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2020-10-12 16:07:45,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=601, Invalid=1751, Unknown=0, NotChecked=0, Total=2352 [2020-10-12 16:07:45,535 INFO L87 Difference]: Start difference. First operand 191 states and 192 transitions. Second operand 49 states. [2020-10-12 16:07:47,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:07:47,449 INFO L93 Difference]: Finished difference Result 269 states and 293 transitions. [2020-10-12 16:07:47,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-10-12 16:07:47,452 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 188 [2020-10-12 16:07:47,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:07:47,456 INFO L225 Difference]: With dead ends: 269 [2020-10-12 16:07:47,456 INFO L226 Difference]: Without dead ends: 192 [2020-10-12 16:07:47,459 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 781 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1249, Invalid=4007, Unknown=0, NotChecked=0, Total=5256 [2020-10-12 16:07:47,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2020-10-12 16:07:47,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2020-10-12 16:07:47,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2020-10-12 16:07:47,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 193 transitions. [2020-10-12 16:07:47,475 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 193 transitions. Word has length 188 [2020-10-12 16:07:47,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:07:47,475 INFO L479 AbstractCegarLoop]: Abstraction has 192 states and 193 transitions. [2020-10-12 16:07:47,475 INFO L480 AbstractCegarLoop]: Interpolant automaton has 49 states. [2020-10-12 16:07:47,475 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 193 transitions. [2020-10-12 16:07:47,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-12 16:07:47,476 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:07:47,477 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 23, 23, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:07:47,477 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2020-10-12 16:07:47,477 INFO L427 AbstractCegarLoop]: === Iteration 46 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:07:47,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:07:47,477 INFO L82 PathProgramCache]: Analyzing trace with hash 916421112, now seen corresponding path program 44 times [2020-10-12 16:07:47,478 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:07:47,478 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [308495547] [2020-10-12 16:07:47,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:07:47,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:47,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:48,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:48,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-12 16:07:48,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:48,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1191 [2020-10-12 16:07:48,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:48,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-12 16:07:48,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:07:48,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 230 [2020-10-12 16:07:48,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:49,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:07:49,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:49,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:49,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:49,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:07:49,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:49,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:49,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:49,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:07:49,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:49,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:07:49,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:49,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 16:07:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:49,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:49,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:49,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:49,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:49,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:49,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:49,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:49,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:49,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:49,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:49,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 16:07:49,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:49,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:49,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:49,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:49,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:49,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:49,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:49,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:49,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:49,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:49,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:49,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 16:07:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:49,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:49,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:49,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:49,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:49,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:49,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:49,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:49,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:49,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:49,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:49,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-12 16:07:49,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:49,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:49,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:49,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:49,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:49,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:49,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:49,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:49,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:49,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:49,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:49,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:07:49,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:49,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:49,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:49,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:49,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:49,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:49,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:49,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:49,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:49,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:49,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:49,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-12 16:07:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:49,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:49,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:49,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:49,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:49,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:49,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:49,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:49,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:49,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:49,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:49,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 16:07:49,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:49,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:49,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:49,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:49,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:49,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:49,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:49,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:49,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:49,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:49,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:49,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-12 16:07:49,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:49,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:49,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:49,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:49,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:49,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:49,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:49,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:49,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:49,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:49,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:49,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 16:07:49,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:49,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:49,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:49,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:49,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:49,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:49,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:49,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:49,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:49,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:49,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:49,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 16:07:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:49,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:49,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:49,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:49,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:49,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:49,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:49,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:49,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:49,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:49,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:49,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 16:07:49,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:49,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:49,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:49,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:49,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:49,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:49,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:49,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:49,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:49,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:49,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:49,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 16:07:49,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:49,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:49,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:49,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:49,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:49,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:49,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:49,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:49,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:49,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:49,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:49,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 16:07:49,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:49,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:49,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:49,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:49,143 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:49,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:49,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:49,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:49,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:49,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:49,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:49,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 16:07:49,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:49,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:49,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:49,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:49,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:49,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:49,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:49,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:49,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:49,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:49,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:49,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 16:07:49,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:49,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:49,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:49,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:49,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:49,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:49,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:49,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:49,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:49,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:49,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:49,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-12 16:07:49,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:49,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:49,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:49,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:49,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:49,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:49,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:49,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:49,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:49,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:49,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:49,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-12 16:07:49,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:49,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:49,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:49,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:49,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:49,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:49,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:49,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:49,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:49,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:49,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:49,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-12 16:07:49,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:49,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:49,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:49,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:49,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:49,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:49,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:49,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:49,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:49,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:49,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:49,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-12 16:07:49,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:49,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:49,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:49,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:49,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:49,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:49,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:49,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:49,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:49,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:49,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:49,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-12 16:07:49,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:49,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:49,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:49,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:49,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:49,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:49,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:49,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:49,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:49,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:49,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:49,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-12 16:07:49,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:49,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:49,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:49,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:49,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:49,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:49,171 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:49,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:49,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:49,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:49,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:49,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-12 16:07:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:49,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:49,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:49,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:49,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:49,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:49,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:49,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:49,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:49,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:49,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:49,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1981 backedges. 320 proven. 737 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2020-10-12 16:07:49,195 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [308495547] [2020-10-12 16:07:49,195 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:07:49,195 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-12 16:07:49,195 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519324855] [2020-10-12 16:07:49,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-12 16:07:49,195 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:07:49,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-12 16:07:49,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=329, Invalid=427, Unknown=0, NotChecked=0, Total=756 [2020-10-12 16:07:49,196 INFO L87 Difference]: Start difference. First operand 192 states and 193 transitions. Second operand 28 states. [2020-10-12 16:07:49,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:07:49,439 INFO L93 Difference]: Finished difference Result 205 states and 207 transitions. [2020-10-12 16:07:49,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-10-12 16:07:49,439 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 189 [2020-10-12 16:07:49,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:07:49,441 INFO L225 Difference]: With dead ends: 205 [2020-10-12 16:07:49,442 INFO L226 Difference]: Without dead ends: 203 [2020-10-12 16:07:49,442 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=333, Invalid=479, Unknown=0, NotChecked=0, Total=812 [2020-10-12 16:07:49,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2020-10-12 16:07:49,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 199. [2020-10-12 16:07:49,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2020-10-12 16:07:49,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 200 transitions. [2020-10-12 16:07:49,453 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 200 transitions. Word has length 189 [2020-10-12 16:07:49,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:07:49,454 INFO L479 AbstractCegarLoop]: Abstraction has 199 states and 200 transitions. [2020-10-12 16:07:49,454 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-12 16:07:49,454 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 200 transitions. [2020-10-12 16:07:49,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2020-10-12 16:07:49,455 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:07:49,455 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 24, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:07:49,456 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2020-10-12 16:07:49,456 INFO L427 AbstractCegarLoop]: === Iteration 47 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:07:49,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:07:49,456 INFO L82 PathProgramCache]: Analyzing trace with hash -331299438, now seen corresponding path program 45 times [2020-10-12 16:07:49,456 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:07:49,457 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [365152268] [2020-10-12 16:07:49,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:07:49,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:49,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:50,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:50,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 250 [2020-10-12 16:07:50,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:50,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1266 [2020-10-12 16:07:50,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:50,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-12 16:07:50,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:07:50,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 234 [2020-10-12 16:07:50,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:51,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:07:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:51,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:51,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:51,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:07:51,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:51,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:51,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:51,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:07:51,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:51,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:07:51,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:51,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 16:07:51,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:51,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:51,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:51,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:51,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:51,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:51,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:51,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:51,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:51,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:51,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:51,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 16:07:51,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:51,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:51,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:51,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:51,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:51,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:51,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:51,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:51,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:51,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:51,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:51,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 16:07:51,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:51,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:51,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:51,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:51,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:51,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:51,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:51,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:51,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:51,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:51,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:51,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-12 16:07:51,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:51,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:51,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:51,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:51,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:51,913 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:51,913 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:51,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:51,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:51,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:51,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:51,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:07:51,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:51,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:51,916 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:51,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:51,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:51,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:51,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:51,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:51,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:51,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:51,917 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:51,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-12 16:07:51,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:51,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:51,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:51,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:51,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:51,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:51,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:51,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:51,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:51,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:51,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:51,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 16:07:51,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:51,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:51,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:51,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:51,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:51,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:51,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:51,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:51,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:51,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:51,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:51,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-12 16:07:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:51,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:51,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:51,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:51,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:51,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:51,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:51,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:51,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:51,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:51,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:51,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 16:07:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:51,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:51,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:51,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:51,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:51,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:51,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:51,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:51,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:51,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:51,929 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:51,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 16:07:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:51,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:51,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:51,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:51,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:51,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:51,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:51,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:51,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:51,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:51,932 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:51,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 16:07:51,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:51,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:51,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:51,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:51,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:51,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:51,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:51,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:51,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:51,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:51,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:51,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 16:07:51,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:51,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:51,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:51,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:51,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:51,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:51,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:51,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:51,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:51,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:51,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:51,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 16:07:51,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:51,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:51,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:51,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:51,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:51,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:51,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:51,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:51,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:51,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:51,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:51,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 16:07:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:51,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:51,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:51,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:51,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:51,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:51,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:51,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:51,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:51,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:51,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:51,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 16:07:51,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:51,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:51,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:51,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:51,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:51,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:51,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:51,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:51,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:51,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:51,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:51,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-12 16:07:51,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:51,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:51,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:51,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:51,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:51,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:51,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:51,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:51,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:51,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:51,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:51,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-12 16:07:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:51,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:51,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:51,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:51,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:51,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:51,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:51,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:51,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:51,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:51,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:51,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-12 16:07:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:51,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:51,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:51,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:51,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:51,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:51,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:51,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:51,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:51,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:51,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:51,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-12 16:07:51,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:51,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:51,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:51,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:51,969 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:51,969 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:51,969 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:51,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:51,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:51,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:51,970 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:51,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-12 16:07:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:51,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:51,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:51,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:51,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:51,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:51,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:51,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:51,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:51,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:51,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:51,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-12 16:07:51,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:51,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:51,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:51,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:51,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:51,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:51,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:51,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:51,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:51,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:51,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:51,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-12 16:07:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:51,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:51,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:51,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:51,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:51,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:51,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:51,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:51,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:51,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:51,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:51,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 16:07:51,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:51,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:51,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:51,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:51,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:51,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:51,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:51,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:51,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:51,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:51,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:52,025 INFO L134 CoverageAnalysis]: Checked inductivity of 2139 backedges. 851 proven. 276 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2020-10-12 16:07:52,025 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [365152268] [2020-10-12 16:07:52,025 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:07:52,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2020-10-12 16:07:52,026 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760700405] [2020-10-12 16:07:52,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 51 states [2020-10-12 16:07:52,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:07:52,027 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2020-10-12 16:07:52,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=651, Invalid=1899, Unknown=0, NotChecked=0, Total=2550 [2020-10-12 16:07:52,027 INFO L87 Difference]: Start difference. First operand 199 states and 200 transitions. Second operand 51 states. [2020-10-12 16:07:53,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:07:53,980 INFO L93 Difference]: Finished difference Result 280 states and 305 transitions. [2020-10-12 16:07:53,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-10-12 16:07:53,982 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 196 [2020-10-12 16:07:53,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:07:53,984 INFO L225 Difference]: With dead ends: 280 [2020-10-12 16:07:53,984 INFO L226 Difference]: Without dead ends: 200 [2020-10-12 16:07:53,988 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 [2020-10-12 16:07:53,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2020-10-12 16:07:53,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2020-10-12 16:07:54,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2020-10-12 16:07:54,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 201 transitions. [2020-10-12 16:07:54,001 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 201 transitions. Word has length 196 [2020-10-12 16:07:54,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:07:54,001 INFO L479 AbstractCegarLoop]: Abstraction has 200 states and 201 transitions. [2020-10-12 16:07:54,001 INFO L480 AbstractCegarLoop]: Interpolant automaton has 51 states. [2020-10-12 16:07:54,002 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 201 transitions. [2020-10-12 16:07:54,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-12 16:07:54,003 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:07:54,003 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 24, 24, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:07:54,003 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2020-10-12 16:07:54,003 INFO L427 AbstractCegarLoop]: === Iteration 48 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:07:54,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:07:54,004 INFO L82 PathProgramCache]: Analyzing trace with hash 585343833, now seen corresponding path program 46 times [2020-10-12 16:07:54,004 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:07:54,004 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1511058871] [2020-10-12 16:07:54,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:07:54,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:54,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:55,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:55,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 251 [2020-10-12 16:07:55,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:55,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1718 [2020-10-12 16:07:55,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:55,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-10-12 16:07:55,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:07:55,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 240 [2020-10-12 16:07:55,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:56,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:07:56,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:56,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:56,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:56,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:07:56,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:56,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:56,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:56,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:07:56,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:56,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:07:56,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:56,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:07:56,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:56,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:56,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:56,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:56,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:56,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:56,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:56,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:56,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:56,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:56,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:56,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 16:07:56,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:56,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:56,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:56,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:56,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:56,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:56,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:56,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:56,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:56,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:56,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:56,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 16:07:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:56,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:56,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:56,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:56,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:56,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:56,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:56,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:56,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:56,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:56,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:56,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 16:07:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:56,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:56,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:56,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:56,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:56,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:56,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:56,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:56,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:56,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:56,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:56,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 16:07:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:56,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:56,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:56,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:56,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:56,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:56,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:56,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:56,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:56,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:56,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:56,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 16:07:56,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:56,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:56,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:56,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:56,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:56,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:56,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:56,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:56,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:56,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:56,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:56,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-12 16:07:56,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:56,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:56,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:56,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:56,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:56,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:56,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:56,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:56,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:56,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:56,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:56,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-12 16:07:56,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:56,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:56,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:56,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:56,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:56,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:56,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:56,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:56,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:56,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:56,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:56,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-12 16:07:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:56,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:56,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:56,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:56,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:56,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:56,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:56,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:56,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:56,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:56,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:56,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 16:07:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:56,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:56,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:56,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:56,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:56,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:56,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:56,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:56,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:56,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:56,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:56,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-12 16:07:56,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:56,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:56,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:56,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:56,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:56,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:56,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:56,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:56,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:56,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:56,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:56,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 16:07:56,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:56,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:56,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:56,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:56,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:56,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:56,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:56,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:56,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:56,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:56,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:56,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-12 16:07:56,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:56,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:56,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:56,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:56,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:56,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:56,257 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:56,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:56,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:56,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:56,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:56,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 16:07:56,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:56,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:56,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:56,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:56,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:56,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:56,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:56,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:56,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:56,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:56,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:56,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-12 16:07:56,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:56,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:56,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:56,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:56,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:56,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:56,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:56,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:56,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:56,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:56,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:56,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-12 16:07:56,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:56,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:56,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:56,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:56,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:56,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:56,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:56,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:56,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:56,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:56,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:56,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 16:07:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:56,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:56,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:56,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:56,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:56,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:56,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:56,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:56,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:56,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:56,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:56,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-12 16:07:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:56,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:56,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:56,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:56,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:56,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:56,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:56,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:56,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:56,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:56,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:56,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-12 16:07:56,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:56,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:56,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:56,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:56,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:56,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:56,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:56,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:56,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:56,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:56,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:56,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-12 16:07:56,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:56,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:56,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:56,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:56,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:56,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:56,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:56,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:56,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:56,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:56,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:56,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-12 16:07:56,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:56,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:56,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:56,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:56,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:56,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:56,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:56,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:56,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:56,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:56,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:56,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-12 16:07:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:56,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:56,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:56,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:56,304 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:56,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:56,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:56,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:56,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:56,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:56,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:56,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-10-12 16:07:56,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:56,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:56,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:56,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:56,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:56,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:56,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:56,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:56,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:56,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:56,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:56,342 INFO L134 CoverageAnalysis]: Checked inductivity of 2163 backedges. 346 proven. 805 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2020-10-12 16:07:56,342 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1511058871] [2020-10-12 16:07:56,343 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:07:56,343 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-12 16:07:56,343 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1974703741] [2020-10-12 16:07:56,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-12 16:07:56,343 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:07:56,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-12 16:07:56,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=355, Invalid=457, Unknown=0, NotChecked=0, Total=812 [2020-10-12 16:07:56,344 INFO L87 Difference]: Start difference. First operand 200 states and 201 transitions. Second operand 29 states. [2020-10-12 16:07:56,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:07:56,617 INFO L93 Difference]: Finished difference Result 213 states and 215 transitions. [2020-10-12 16:07:56,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-12 16:07:56,618 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 197 [2020-10-12 16:07:56,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:07:56,619 INFO L225 Difference]: With dead ends: 213 [2020-10-12 16:07:56,619 INFO L226 Difference]: Without dead ends: 211 [2020-10-12 16:07:56,620 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 [2020-10-12 16:07:56,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2020-10-12 16:07:56,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 207. [2020-10-12 16:07:56,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-10-12 16:07:56,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 208 transitions. [2020-10-12 16:07:56,631 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 208 transitions. Word has length 197 [2020-10-12 16:07:56,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:07:56,631 INFO L479 AbstractCegarLoop]: Abstraction has 207 states and 208 transitions. [2020-10-12 16:07:56,631 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-12 16:07:56,632 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 208 transitions. [2020-10-12 16:07:56,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2020-10-12 16:07:56,633 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:07:56,633 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 25, 24, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:07:56,633 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2020-10-12 16:07:56,633 INFO L427 AbstractCegarLoop]: === Iteration 49 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:07:56,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:07:56,634 INFO L82 PathProgramCache]: Analyzing trace with hash -671187695, now seen corresponding path program 47 times [2020-10-12 16:07:56,634 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:07:56,634 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [950284783] [2020-10-12 16:07:56,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:07:56,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:56,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:58,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:58,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 260 [2020-10-12 16:07:58,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:58,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1410 [2020-10-12 16:07:58,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:58,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 52 [2020-10-12 16:07:58,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:07:58,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 244 [2020-10-12 16:07:58,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:07:59,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:07:59,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:59,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:07:59,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:07:59,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:07:59,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:59,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 16:07:59,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:59,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 16:07:59,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,323 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,324 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,324 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:59,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 16:07:59,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:59,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 16:07:59,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:59,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 16:07:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:59,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-12 16:07:59,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:59,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-12 16:07:59,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,340 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:59,340 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-12 16:07:59,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,343 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,343 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:59,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 16:07:59,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:59,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-12 16:07:59,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:59,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 16:07:59,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:59,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-12 16:07:59,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:59,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 16:07:59,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:59,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-12 16:07:59,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:59,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-12 16:07:59,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:59,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 16:07:59,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:59,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-12 16:07:59,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:59,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-12 16:07:59,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:59,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-12 16:07:59,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:59,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-12 16:07:59,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:59,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,394 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-12 16:07:59,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:59,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-10-12 16:07:59,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:59,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-12 16:07:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:59,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,436 INFO L134 CoverageAnalysis]: Checked inductivity of 2328 backedges. 924 proven. 300 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2020-10-12 16:07:59,436 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [950284783] [2020-10-12 16:07:59,436 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:07:59,436 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2020-10-12 16:07:59,437 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215624082] [2020-10-12 16:07:59,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 53 states [2020-10-12 16:07:59,437 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:07:59,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2020-10-12 16:07:59,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=703, Invalid=2053, Unknown=0, NotChecked=0, Total=2756 [2020-10-12 16:07:59,438 INFO L87 Difference]: Start difference. First operand 207 states and 208 transitions. Second operand 53 states. [2020-10-12 16:08:01,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:08:01,652 INFO L93 Difference]: Finished difference Result 291 states and 317 transitions. [2020-10-12 16:08:01,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-10-12 16:08:01,652 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 204 [2020-10-12 16:08:01,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:08:01,654 INFO L225 Difference]: With dead ends: 291 [2020-10-12 16:08:01,654 INFO L226 Difference]: Without dead ends: 208 [2020-10-12 16:08:01,655 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 [2020-10-12 16:08:01,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2020-10-12 16:08:01,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 208. [2020-10-12 16:08:01,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 208 states. [2020-10-12 16:08:01,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 209 transitions. [2020-10-12 16:08:01,666 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 209 transitions. Word has length 204 [2020-10-12 16:08:01,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:08:01,667 INFO L479 AbstractCegarLoop]: Abstraction has 208 states and 209 transitions. [2020-10-12 16:08:01,667 INFO L480 AbstractCegarLoop]: Interpolant automaton has 53 states. [2020-10-12 16:08:01,667 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 209 transitions. [2020-10-12 16:08:01,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2020-10-12 16:08:01,668 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:08:01,668 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:08:01,669 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2020-10-12 16:08:01,669 INFO L427 AbstractCegarLoop]: === Iteration 50 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:08:01,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:08:01,669 INFO L82 PathProgramCache]: Analyzing trace with hash -1582914600, now seen corresponding path program 48 times [2020-10-12 16:08:01,669 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:08:01,669 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1350458881] [2020-10-12 16:08:01,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:08:01,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:01,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:03,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:03,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 261 [2020-10-12 16:08:03,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:03,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1403 [2020-10-12 16:08:03,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:03,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 53 [2020-10-12 16:08:03,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:08:03,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 250 [2020-10-12 16:08:03,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:03,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:08:03,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:03,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:03,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:03,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:08:03,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:03,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:03,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:03,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:08:03,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:03,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:08:03,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:03,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 16:08:03,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:03,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:03,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:03,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:03,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:03,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:03,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:03,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:03,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:03,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:03,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:03,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 16:08:03,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:03,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:03,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:03,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:03,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:03,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:03,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:03,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:03,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:03,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:03,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:03,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 16:08:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:03,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:03,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:03,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:03,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:03,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:03,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:03,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:03,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:03,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:03,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:03,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 16:08:03,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:03,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:03,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:03,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:03,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:03,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:03,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:03,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:03,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:03,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:03,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:03,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 16:08:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:03,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:03,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:03,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:03,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:03,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:03,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:03,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:03,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:03,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:03,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:03,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:08:03,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:03,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:03,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:03,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:03,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:03,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:03,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:03,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:03,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:03,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:03,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:03,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 16:08:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:03,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:03,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:03,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:03,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:03,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:03,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:03,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:03,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:03,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:03,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:03,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 16:08:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:03,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:03,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:03,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:03,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:03,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:03,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:03,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:03,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:03,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:03,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:03,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 16:08:03,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:03,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:03,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:03,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:03,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:03,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:03,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:03,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:03,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:03,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:03,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:03,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-12 16:08:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:03,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:03,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:03,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:03,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:03,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:03,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:03,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:03,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:03,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:03,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:03,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-12 16:08:03,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:03,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:03,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:03,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:03,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:03,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:03,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:03,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:03,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:03,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:03,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:03,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 16:08:03,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:03,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:03,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:03,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:03,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:03,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:03,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:03,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:03,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:03,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:03,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:03,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 16:08:03,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:03,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:03,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:03,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:03,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:03,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:03,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:03,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:03,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:03,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:03,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:03,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 16:08:03,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:03,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:03,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:03,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:03,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:03,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:03,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:03,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:03,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:03,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:03,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:03,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 16:08:03,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:03,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:03,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:03,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:03,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:03,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:03,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:03,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:03,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:03,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:03,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:03,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-12 16:08:03,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:03,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:03,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:03,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:03,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:03,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:03,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:03,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:03,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:03,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:03,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:03,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 16:08:03,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:03,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:03,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:03,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:03,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:03,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:03,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:03,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:03,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:03,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:03,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:03,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-12 16:08:03,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:03,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:03,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:03,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:03,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:03,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:03,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:03,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:03,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:03,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:03,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:03,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-12 16:08:03,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:03,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:03,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:03,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:03,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:03,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:03,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:03,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:03,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:03,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:03,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:03,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-12 16:08:03,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:03,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:03,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:03,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:03,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:03,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:03,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:03,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:03,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:03,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:03,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:03,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-12 16:08:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:03,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:03,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:03,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:03,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:03,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:03,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:03,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:03,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:03,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:03,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:03,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-12 16:08:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:03,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:03,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:03,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:03,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:03,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:03,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:03,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:03,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:03,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:03,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:03,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-12 16:08:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:03,664 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:03,665 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:03,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:03,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:03,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:03,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:03,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:03,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:03,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:03,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:03,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-12 16:08:03,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:03,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:03,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:03,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:03,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:03,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:03,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:03,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:03,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:03,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:03,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:03,690 INFO L134 CoverageAnalysis]: Checked inductivity of 2353 backedges. 373 proven. 876 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2020-10-12 16:08:03,691 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1350458881] [2020-10-12 16:08:03,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:08:03,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-12 16:08:03,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141052220] [2020-10-12 16:08:03,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-12 16:08:03,691 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:08:03,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-12 16:08:03,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=382, Invalid=488, Unknown=0, NotChecked=0, Total=870 [2020-10-12 16:08:03,692 INFO L87 Difference]: Start difference. First operand 208 states and 209 transitions. Second operand 30 states. [2020-10-12 16:08:03,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:08:03,976 INFO L93 Difference]: Finished difference Result 221 states and 223 transitions. [2020-10-12 16:08:03,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-12 16:08:03,977 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 205 [2020-10-12 16:08:03,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:08:03,978 INFO L225 Difference]: With dead ends: 221 [2020-10-12 16:08:03,978 INFO L226 Difference]: Without dead ends: 219 [2020-10-12 16:08:03,979 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 [2020-10-12 16:08:03,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2020-10-12 16:08:03,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 215. [2020-10-12 16:08:03,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2020-10-12 16:08:03,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 216 transitions. [2020-10-12 16:08:03,991 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 216 transitions. Word has length 205 [2020-10-12 16:08:03,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:08:03,991 INFO L479 AbstractCegarLoop]: Abstraction has 215 states and 216 transitions. [2020-10-12 16:08:03,991 INFO L480 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-12 16:08:03,991 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 216 transitions. [2020-10-12 16:08:03,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-10-12 16:08:03,993 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:08:03,993 INFO L422 BasicCegarLoop]: trace histogram [26, 26, 26, 25, 25, 25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:08:03,993 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2020-10-12 16:08:03,993 INFO L427 AbstractCegarLoop]: === Iteration 51 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:08:03,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:08:03,994 INFO L82 PathProgramCache]: Analyzing trace with hash 1351663538, now seen corresponding path program 49 times [2020-10-12 16:08:03,994 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:08:03,994 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [446536433] [2020-10-12 16:08:03,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:08:04,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:04,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:05,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:05,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 270 [2020-10-12 16:08:05,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:05,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1699 [2020-10-12 16:08:05,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:05,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-12 16:08:05,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:08:05,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 254 [2020-10-12 16:08:05,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:08:07,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:08:07,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:07,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:08:07,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:08:07,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 16:08:07,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:07,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 16:08:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:07,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 16:08:07,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,094 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:07,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 16:08:07,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:07,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 16:08:07,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,101 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:07,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:08:07,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:07,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 16:08:07,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:07,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 16:08:07,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:07,111 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 16:08:07,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:07,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-12 16:08:07,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:07,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-12 16:08:07,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,120 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,120 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,120 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:07,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 16:08:07,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:07,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 16:08:07,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:07,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 16:08:07,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:07,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 16:08:07,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:07,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-12 16:08:07,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,137 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,138 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:07,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 16:08:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:07,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-12 16:08:07,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:07,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-12 16:08:07,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:07,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-12 16:08:07,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:07,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-12 16:08:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:07,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-12 16:08:07,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:07,157 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-12 16:08:07,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:07,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-12 16:08:07,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:07,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-12 16:08:07,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:07,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,196 INFO L134 CoverageAnalysis]: Checked inductivity of 2525 backedges. 1000 proven. 325 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2020-10-12 16:08:07,197 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [446536433] [2020-10-12 16:08:07,197 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:08:07,197 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55] total 55 [2020-10-12 16:08:07,197 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367984754] [2020-10-12 16:08:07,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 55 states [2020-10-12 16:08:07,197 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:08:07,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2020-10-12 16:08:07,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=757, Invalid=2213, Unknown=0, NotChecked=0, Total=2970 [2020-10-12 16:08:07,198 INFO L87 Difference]: Start difference. First operand 215 states and 216 transitions. Second operand 55 states. [2020-10-12 16:08:09,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:08:09,463 INFO L93 Difference]: Finished difference Result 302 states and 329 transitions. [2020-10-12 16:08:09,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-10-12 16:08:09,463 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 212 [2020-10-12 16:08:09,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:08:09,465 INFO L225 Difference]: With dead ends: 302 [2020-10-12 16:08:09,465 INFO L226 Difference]: Without dead ends: 216 [2020-10-12 16:08:09,467 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 [2020-10-12 16:08:09,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2020-10-12 16:08:09,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 216. [2020-10-12 16:08:09,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-10-12 16:08:09,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 217 transitions. [2020-10-12 16:08:09,480 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 217 transitions. Word has length 212 [2020-10-12 16:08:09,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:08:09,481 INFO L479 AbstractCegarLoop]: Abstraction has 216 states and 217 transitions. [2020-10-12 16:08:09,481 INFO L480 AbstractCegarLoop]: Interpolant automaton has 55 states. [2020-10-12 16:08:09,481 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 217 transitions. [2020-10-12 16:08:09,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-10-12 16:08:09,482 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:08:09,483 INFO L422 BasicCegarLoop]: trace histogram [26, 26, 26, 26, 25, 25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:08:09,483 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2020-10-12 16:08:09,483 INFO L427 AbstractCegarLoop]: === Iteration 52 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:08:09,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:08:09,483 INFO L82 PathProgramCache]: Analyzing trace with hash 1541746553, now seen corresponding path program 50 times [2020-10-12 16:08:09,483 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:08:09,484 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [816720694] [2020-10-12 16:08:09,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:08:09,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:09,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:11,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:11,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 271 [2020-10-12 16:08:11,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:11,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1706 [2020-10-12 16:08:11,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:11,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 55 [2020-10-12 16:08:11,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:08:11,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 260 [2020-10-12 16:08:11,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:11,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:08:11,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:11,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:11,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:11,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:08:11,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:11,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:11,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:11,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:08:11,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:11,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:08:11,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:11,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 16:08:11,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:11,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:11,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:11,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:11,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:11,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:11,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:11,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:11,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:11,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:11,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:11,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:08:11,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:11,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:11,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:11,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:11,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:11,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:11,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:11,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:11,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:11,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:11,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:11,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 16:08:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:11,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:11,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:11,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:11,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:11,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:11,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:11,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:11,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:11,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:11,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:11,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 16:08:11,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:11,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:11,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:11,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:11,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:11,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:11,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:11,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:11,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:11,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:11,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:11,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-12 16:08:11,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:11,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:11,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:11,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:11,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:11,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:11,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:11,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:11,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:11,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:11,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:11,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 16:08:11,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:11,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:11,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:11,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:11,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:11,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:11,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:11,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:11,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:11,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:11,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:11,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-12 16:08:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:11,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:11,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:11,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:11,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:11,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:11,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:11,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:11,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:11,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:11,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:11,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-12 16:08:11,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:11,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:11,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:11,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:11,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:11,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:11,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:11,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:11,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:11,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:11,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:11,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-12 16:08:11,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:11,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:11,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:11,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:11,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:11,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:11,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:11,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:11,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:11,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:11,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:11,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-12 16:08:11,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:11,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:11,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:11,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:11,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:11,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:11,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:11,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:11,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:11,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:11,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:11,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 16:08:11,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:11,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:11,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:11,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:11,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:11,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:11,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:11,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:11,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:11,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:11,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:11,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-12 16:08:11,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:11,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:11,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:11,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:11,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:11,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:11,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:11,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:11,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:11,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:11,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:11,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-12 16:08:11,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:11,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:11,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:11,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:11,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:11,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:11,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:11,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:11,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:11,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:11,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:11,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-12 16:08:11,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:11,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:11,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:11,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:11,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:11,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:11,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:11,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:11,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:11,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:11,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:11,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-12 16:08:11,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:11,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:11,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:11,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:11,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:11,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:11,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:11,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:11,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:11,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:11,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:11,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 16:08:11,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:11,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:11,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:11,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:11,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:11,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:11,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:11,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:11,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:11,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:11,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:11,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-12 16:08:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:11,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:11,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:11,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:11,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:11,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:11,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:11,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:11,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:11,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:11,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:11,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-12 16:08:11,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:11,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:11,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:11,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:11,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:11,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:11,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:11,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:11,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:11,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:11,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:11,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-12 16:08:11,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:11,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:11,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:11,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:11,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:11,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:11,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:11,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:11,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:11,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:11,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:11,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-12 16:08:11,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:11,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:11,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:11,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:11,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:11,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:11,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:11,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:11,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:11,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:11,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:11,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-12 16:08:11,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:11,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:11,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:11,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:11,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:11,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:11,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:11,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:11,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:11,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:11,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:11,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-12 16:08:11,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:11,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:11,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:11,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:11,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:11,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:11,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:11,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:11,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:11,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:11,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:11,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-10-12 16:08:11,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:11,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:11,829 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:11,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:11,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:11,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:11,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:11,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:11,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:11,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:11,830 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:11,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-12 16:08:11,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:11,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:11,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:11,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:11,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:11,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:11,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:11,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:11,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:11,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:11,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:11,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-12 16:08:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:11,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:11,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:11,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:11,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:11,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:11,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:11,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:11,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:11,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:11,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:11,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2551 backedges. 401 proven. 950 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2020-10-12 16:08:11,883 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [816720694] [2020-10-12 16:08:11,884 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:08:11,884 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-12 16:08:11,884 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1953609251] [2020-10-12 16:08:11,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-12 16:08:11,885 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:08:11,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-12 16:08:11,885 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=410, Invalid=520, Unknown=0, NotChecked=0, Total=930 [2020-10-12 16:08:11,885 INFO L87 Difference]: Start difference. First operand 216 states and 217 transitions. Second operand 31 states. [2020-10-12 16:08:12,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:08:12,180 INFO L93 Difference]: Finished difference Result 229 states and 231 transitions. [2020-10-12 16:08:12,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-12 16:08:12,181 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 213 [2020-10-12 16:08:12,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:08:12,183 INFO L225 Difference]: With dead ends: 229 [2020-10-12 16:08:12,183 INFO L226 Difference]: Without dead ends: 227 [2020-10-12 16:08:12,186 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=414, Invalid=578, Unknown=0, NotChecked=0, Total=992 [2020-10-12 16:08:12,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-10-12 16:08:12,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 223. [2020-10-12 16:08:12,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-10-12 16:08:12,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 224 transitions. [2020-10-12 16:08:12,200 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 224 transitions. Word has length 213 [2020-10-12 16:08:12,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:08:12,201 INFO L479 AbstractCegarLoop]: Abstraction has 223 states and 224 transitions. [2020-10-12 16:08:12,201 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-12 16:08:12,201 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 224 transitions. [2020-10-12 16:08:12,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2020-10-12 16:08:12,203 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:08:12,203 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 27, 26, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:08:12,203 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2020-10-12 16:08:12,203 INFO L427 AbstractCegarLoop]: === Iteration 53 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:08:12,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:08:12,203 INFO L82 PathProgramCache]: Analyzing trace with hash -863171343, now seen corresponding path program 51 times [2020-10-12 16:08:12,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:08:12,204 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [440648668] [2020-10-12 16:08:12,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:08:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:12,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:14,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:14,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 280 [2020-10-12 16:08:14,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:14,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1845 [2020-10-12 16:08:14,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:14,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 56 [2020-10-12 16:08:14,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:08:14,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 264 [2020-10-12 16:08:14,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:15,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:08:15,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:15,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:15,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:15,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:08:15,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:15,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:15,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:15,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:08:15,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:15,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:08:15,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:15,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 16:08:15,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:15,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:15,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:15,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:15,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:15,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:15,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:15,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:15,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:15,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:15,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:15,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:08:15,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:15,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:15,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:15,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:15,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:15,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:15,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:15,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:15,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:15,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:15,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:15,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 16:08:15,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:15,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:15,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:15,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:15,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:15,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:15,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:15,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:15,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:15,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:15,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:15,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 16:08:15,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:15,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:15,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:15,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:15,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:15,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:15,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:15,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:15,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:15,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:15,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:15,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-12 16:08:15,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:15,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:15,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:15,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:15,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:15,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:15,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:15,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:15,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:15,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:15,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:15,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 16:08:15,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:15,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:15,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:15,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:15,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:15,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:15,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:15,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:15,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:15,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:15,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:15,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-12 16:08:15,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:15,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:15,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:15,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:15,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:15,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:15,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:15,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:15,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:15,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:15,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:15,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-12 16:08:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:15,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:15,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:15,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:15,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:15,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:15,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:15,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:15,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:15,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:15,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:15,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-12 16:08:15,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:15,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:15,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:15,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:15,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:15,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:15,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:15,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:15,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:15,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:15,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:15,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-12 16:08:15,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:15,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:15,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:15,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:15,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:15,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:15,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:15,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:15,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:15,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:15,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:15,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 16:08:15,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:15,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:15,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:15,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:15,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:15,543 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:15,543 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:15,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:15,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:15,543 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:15,543 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:15,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-12 16:08:15,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:15,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:15,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:15,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:15,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:15,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:15,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:15,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:15,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:15,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:15,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:15,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-12 16:08:15,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:15,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:15,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:15,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:15,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:15,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:15,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:15,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:15,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:15,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:15,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:15,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-12 16:08:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:15,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:15,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:15,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:15,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:15,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:15,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:15,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:15,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:15,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:15,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:15,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-12 16:08:15,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:15,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:15,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:15,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:15,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:15,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:15,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:15,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:15,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:15,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:15,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:15,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 16:08:15,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:15,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:15,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:15,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:15,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:15,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:15,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:15,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:15,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:15,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:15,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:15,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-12 16:08:15,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:15,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:15,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:15,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:15,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:15,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:15,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:15,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:15,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:15,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:15,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:15,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-12 16:08:15,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:15,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:15,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:15,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:15,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:15,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:15,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:15,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:15,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:15,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:15,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:15,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-12 16:08:15,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:15,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:15,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:15,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:15,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:15,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:15,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:15,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:15,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:15,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:15,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:15,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-12 16:08:15,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:15,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:15,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:15,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:15,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:15,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:15,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:15,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:15,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:15,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:15,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:15,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-12 16:08:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:15,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:15,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:15,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:15,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:15,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:15,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:15,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:15,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:15,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:15,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:15,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-12 16:08:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:15,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:15,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:15,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:15,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:15,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:15,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:15,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:15,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:15,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:15,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:15,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-10-12 16:08:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:15,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:15,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:15,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:15,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:15,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:15,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:15,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:15,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:15,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:15,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:15,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-12 16:08:15,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:15,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:15,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:15,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:15,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:15,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:15,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:15,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:15,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:15,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:15,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:15,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-12 16:08:15,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:15,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:15,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:15,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:15,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:15,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:15,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:15,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:15,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:15,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:15,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:15,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-12 16:08:15,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:15,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:15,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:15,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:15,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:15,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:15,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:15,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:15,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:15,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:15,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:15,636 INFO L134 CoverageAnalysis]: Checked inductivity of 2730 backedges. 1079 proven. 351 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2020-10-12 16:08:15,637 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [440648668] [2020-10-12 16:08:15,637 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:08:15,637 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57] total 57 [2020-10-12 16:08:15,637 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685292679] [2020-10-12 16:08:15,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 57 states [2020-10-12 16:08:15,638 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:08:15,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2020-10-12 16:08:15,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=813, Invalid=2379, Unknown=0, NotChecked=0, Total=3192 [2020-10-12 16:08:15,639 INFO L87 Difference]: Start difference. First operand 223 states and 224 transitions. Second operand 57 states. [2020-10-12 16:08:17,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:08:17,992 INFO L93 Difference]: Finished difference Result 313 states and 341 transitions. [2020-10-12 16:08:17,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2020-10-12 16:08:17,995 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 220 [2020-10-12 16:08:17,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:08:17,997 INFO L225 Difference]: With dead ends: 313 [2020-10-12 16:08:17,997 INFO L226 Difference]: Without dead ends: 224 [2020-10-12 16:08:17,999 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 [2020-10-12 16:08:17,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2020-10-12 16:08:18,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2020-10-12 16:08:18,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-10-12 16:08:18,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 225 transitions. [2020-10-12 16:08:18,011 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 225 transitions. Word has length 220 [2020-10-12 16:08:18,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:08:18,012 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 225 transitions. [2020-10-12 16:08:18,012 INFO L480 AbstractCegarLoop]: Interpolant automaton has 57 states. [2020-10-12 16:08:18,012 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 225 transitions. [2020-10-12 16:08:18,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2020-10-12 16:08:18,013 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:08:18,013 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 27, 27, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:08:18,014 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2020-10-12 16:08:18,014 INFO L427 AbstractCegarLoop]: === Iteration 54 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:08:18,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:08:18,014 INFO L82 PathProgramCache]: Analyzing trace with hash 825542072, now seen corresponding path program 52 times [2020-10-12 16:08:18,014 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:08:18,014 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1450266274] [2020-10-12 16:08:18,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:08:18,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:18,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:19,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:19,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 281 [2020-10-12 16:08:19,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:19,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1779 [2020-10-12 16:08:19,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:19,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 57 [2020-10-12 16:08:19,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:08:19,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 270 [2020-10-12 16:08:19,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:20,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:08:20,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:20,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:20,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:20,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:08:20,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:20,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:20,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:20,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:08:20,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:20,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:08:20,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:20,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 16:08:20,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:20,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:20,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:20,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:20,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:20,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:20,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:20,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:20,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:20,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:20,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:20,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 16:08:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:20,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:20,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:20,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:20,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:20,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:20,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:20,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:20,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:20,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:20,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:20,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 16:08:20,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:20,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:20,407 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:20,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:20,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:20,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:20,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:20,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:20,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:20,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:20,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:20,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 16:08:20,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:20,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:20,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:20,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:20,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:20,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:20,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:20,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:20,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:20,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:20,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:20,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-12 16:08:20,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:20,411 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:20,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:20,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:20,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:20,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:20,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:20,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:20,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:20,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:20,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:20,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-12 16:08:20,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:20,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:20,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:20,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:20,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:20,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:20,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:20,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:20,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:20,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:20,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:20,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:08:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:20,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:20,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:20,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:20,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:20,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:20,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:20,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:20,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:20,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:20,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:20,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-12 16:08:20,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:20,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:20,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:20,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:20,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:20,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:20,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:20,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:20,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:20,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:20,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:20,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 16:08:20,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:20,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:20,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:20,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:20,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:20,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:20,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:20,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:20,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:20,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:20,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:20,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-12 16:08:20,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:20,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:20,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:20,427 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:20,427 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:20,427 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:20,427 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:20,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:20,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:20,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:20,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:20,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 16:08:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:20,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:20,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:20,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:20,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:20,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:20,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:20,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:20,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:20,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:20,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:20,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-12 16:08:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:20,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:20,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:20,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:20,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:20,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:20,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:20,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:20,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:20,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:20,433 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:20,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-12 16:08:20,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:20,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:20,435 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:20,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:20,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:20,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:20,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:20,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:20,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:20,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:20,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:20,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-12 16:08:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:20,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:20,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:20,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:20,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:20,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:20,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:20,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:20,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:20,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:20,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:20,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-12 16:08:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:20,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:20,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:20,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:20,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:20,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:20,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:20,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:20,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:20,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:20,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:20,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 16:08:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:20,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:20,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:20,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:20,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:20,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:20,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:20,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:20,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:20,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:20,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:20,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-12 16:08:20,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:20,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:20,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:20,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:20,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:20,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:20,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:20,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:20,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:20,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:20,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:20,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-12 16:08:20,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:20,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:20,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:20,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:20,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:20,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:20,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:20,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:20,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:20,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:20,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:20,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-12 16:08:20,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:20,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:20,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:20,457 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:20,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:20,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:20,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:20,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:20,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:20,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:20,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:20,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-12 16:08:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:20,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:20,461 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:20,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:20,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:20,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:20,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:20,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:20,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:20,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:20,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:20,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-12 16:08:20,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:20,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:20,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:20,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:20,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:20,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:20,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:20,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:20,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:20,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:20,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:20,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-12 16:08:20,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:20,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:20,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:20,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:20,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:20,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:08:20,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:20,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:20,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:20,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:20,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:20,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-12 16:08:20,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:20,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:20,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:20,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:20,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:20,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:20,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:20,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:20,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:20,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:20,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:20,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-10-12 16:08:20,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:20,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:20,484 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:20,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:20,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:20,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:20,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:20,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:20,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:20,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:20,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:20,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-12 16:08:20,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:20,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:20,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:20,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:20,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:20,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:20,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:20,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:20,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:20,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:20,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:20,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-12 16:08:20,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:20,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:20,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:20,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:20,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:20,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:20,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:20,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:20,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:20,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:20,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:20,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2757 backedges. 430 proven. 1027 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2020-10-12 16:08:20,532 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1450266274] [2020-10-12 16:08:20,533 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:08:20,533 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2020-10-12 16:08:20,533 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672082463] [2020-10-12 16:08:20,533 INFO L459 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-10-12 16:08:20,533 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:08:20,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-10-12 16:08:20,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=439, Invalid=553, Unknown=0, NotChecked=0, Total=992 [2020-10-12 16:08:20,534 INFO L87 Difference]: Start difference. First operand 224 states and 225 transitions. Second operand 32 states. [2020-10-12 16:08:20,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:08:20,860 INFO L93 Difference]: Finished difference Result 237 states and 239 transitions. [2020-10-12 16:08:20,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-12 16:08:20,861 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 221 [2020-10-12 16:08:20,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:08:20,863 INFO L225 Difference]: With dead ends: 237 [2020-10-12 16:08:20,863 INFO L226 Difference]: Without dead ends: 235 [2020-10-12 16:08:20,863 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 [2020-10-12 16:08:20,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2020-10-12 16:08:20,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 231. [2020-10-12 16:08:20,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2020-10-12 16:08:20,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 232 transitions. [2020-10-12 16:08:20,875 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 232 transitions. Word has length 221 [2020-10-12 16:08:20,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:08:20,875 INFO L479 AbstractCegarLoop]: Abstraction has 231 states and 232 transitions. [2020-10-12 16:08:20,875 INFO L480 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-10-12 16:08:20,875 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 232 transitions. [2020-10-12 16:08:20,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-10-12 16:08:20,877 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:08:20,877 INFO L422 BasicCegarLoop]: trace histogram [28, 28, 28, 27, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:08:20,877 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2020-10-12 16:08:20,877 INFO L427 AbstractCegarLoop]: === Iteration 55 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:08:20,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:08:20,878 INFO L82 PathProgramCache]: Analyzing trace with hash -1324170798, now seen corresponding path program 53 times [2020-10-12 16:08:20,878 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:08:20,878 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [108983505] [2020-10-12 16:08:20,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:08:20,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:20,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:22,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:22,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 290 [2020-10-12 16:08:22,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:22,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1859 [2020-10-12 16:08:22,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:22,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 58 [2020-10-12 16:08:22,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:08:22,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 274 [2020-10-12 16:08:22,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:24,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:08:24,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:24,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:24,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:24,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:08:24,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:24,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:24,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:24,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:08:24,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:24,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:08:24,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:24,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 16:08:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:24,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:24,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:24,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:24,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:24,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:24,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:24,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:24,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:24,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:24,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:24,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 16:08:24,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:24,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:24,339 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:24,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:24,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:24,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:24,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:24,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:24,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:24,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:24,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:24,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 16:08:24,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:24,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:24,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:24,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:24,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:24,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:24,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:24,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:24,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:24,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:24,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:24,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 16:08:24,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:24,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:24,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:24,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:24,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:24,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:24,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:24,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:24,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:24,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:24,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:24,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-12 16:08:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:24,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:24,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:24,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:24,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:24,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:24,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:24,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:24,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:24,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:24,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:24,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-12 16:08:24,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:24,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:24,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:24,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:24,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:24,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:24,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:24,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:24,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:24,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:24,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:24,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:08:24,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:24,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:24,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:24,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:24,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:24,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:24,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:24,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:24,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:24,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:24,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:24,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-12 16:08:24,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:24,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:24,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:24,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:24,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:24,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:24,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:24,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:24,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:24,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:24,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:24,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 16:08:24,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:24,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:24,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:24,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:24,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:24,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:24,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:24,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:24,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:24,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:24,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:24,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-12 16:08:24,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:24,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:24,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:24,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:24,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:24,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:24,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:24,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:24,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:24,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:24,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:24,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 16:08:24,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:24,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:24,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:24,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:24,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:24,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:24,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:24,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:24,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:24,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:24,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:24,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-12 16:08:24,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:24,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:24,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:24,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:24,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:24,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:24,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:24,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:24,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:24,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:24,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:24,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-12 16:08:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:24,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:24,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:24,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:24,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:24,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:24,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:24,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:24,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:24,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:24,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:24,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-12 16:08:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:24,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:24,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:24,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:24,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:24,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:24,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:24,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:24,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:24,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:24,398 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:24,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-12 16:08:24,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:24,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:24,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:24,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:24,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:24,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:24,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:24,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:24,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:24,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:24,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:24,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 16:08:24,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:24,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:24,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:24,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:24,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:24,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:24,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:24,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:24,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:24,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:24,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:24,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-12 16:08:24,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:24,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:24,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:24,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:24,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:24,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:24,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:24,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:24,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:24,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:24,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:24,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-12 16:08:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:24,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:24,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:24,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:24,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:24,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:24,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:24,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:24,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:24,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:24,420 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:24,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-12 16:08:24,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:24,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:24,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:24,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:24,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:24,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:24,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:24,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:24,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:24,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:24,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:24,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-12 16:08:24,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:24,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:24,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:24,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:24,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:24,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:24,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:24,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:24,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:24,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:24,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:24,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-12 16:08:24,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:24,434 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:24,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:24,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:24,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:24,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:24,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:24,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:24,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:24,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:24,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:24,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-12 16:08:24,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:24,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:24,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:24,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:24,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:24,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:24,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:24,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:24,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:24,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:24,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:24,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-12 16:08:24,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:24,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:24,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:24,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:24,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:24,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:24,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:24,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:24,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:24,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:24,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:24,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-10-12 16:08:24,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:24,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:24,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:24,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:24,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:24,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:24,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:24,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:24,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:24,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:24,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:24,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-12 16:08:24,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:24,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:24,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:24,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:24,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:24,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:24,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:24,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:24,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:24,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:24,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:24,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-12 16:08:24,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:24,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:24,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:24,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:24,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:24,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:24,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:24,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:24,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:24,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:24,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:24,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-10-12 16:08:24,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:24,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:24,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:24,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:24,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:24,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:24,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:24,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:24,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:24,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:24,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:24,525 INFO L134 CoverageAnalysis]: Checked inductivity of 2943 backedges. 1161 proven. 378 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2020-10-12 16:08:24,526 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [108983505] [2020-10-12 16:08:24,526 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:08:24,526 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59] total 59 [2020-10-12 16:08:24,526 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904343976] [2020-10-12 16:08:24,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 59 states [2020-10-12 16:08:24,528 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:08:24,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2020-10-12 16:08:24,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=871, Invalid=2551, Unknown=0, NotChecked=0, Total=3422 [2020-10-12 16:08:24,530 INFO L87 Difference]: Start difference. First operand 231 states and 232 transitions. Second operand 59 states. [2020-10-12 16:08:26,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:08:26,535 INFO L93 Difference]: Finished difference Result 324 states and 353 transitions. [2020-10-12 16:08:26,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2020-10-12 16:08:26,536 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 228 [2020-10-12 16:08:26,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:08:26,538 INFO L225 Difference]: With dead ends: 324 [2020-10-12 16:08:26,538 INFO L226 Difference]: Without dead ends: 232 [2020-10-12 16:08:26,540 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 [2020-10-12 16:08:26,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2020-10-12 16:08:26,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 232. [2020-10-12 16:08:26,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2020-10-12 16:08:26,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 233 transitions. [2020-10-12 16:08:26,551 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 233 transitions. Word has length 228 [2020-10-12 16:08:26,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:08:26,551 INFO L479 AbstractCegarLoop]: Abstraction has 232 states and 233 transitions. [2020-10-12 16:08:26,552 INFO L480 AbstractCegarLoop]: Interpolant automaton has 59 states. [2020-10-12 16:08:26,552 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 233 transitions. [2020-10-12 16:08:26,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-10-12 16:08:26,553 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:08:26,553 INFO L422 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:08:26,554 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2020-10-12 16:08:26,554 INFO L427 AbstractCegarLoop]: === Iteration 56 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:08:26,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:08:26,554 INFO L82 PathProgramCache]: Analyzing trace with hash -273366119, now seen corresponding path program 54 times [2020-10-12 16:08:26,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:08:26,554 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [240841197] [2020-10-12 16:08:26,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:08:26,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:26,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:28,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:28,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 291 [2020-10-12 16:08:28,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:28,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1886 [2020-10-12 16:08:28,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:28,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 59 [2020-10-12 16:08:28,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:08:28,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 280 [2020-10-12 16:08:28,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:29,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:08:29,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:29,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:29,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:29,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:08:29,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:29,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:29,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:29,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:08:29,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:29,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:08:29,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:29,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 16:08:29,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:29,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:29,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:29,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:29,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:29,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:29,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:29,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:29,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:29,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:29,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:29,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 16:08:29,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:29,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:29,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:29,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:29,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:29,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:29,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:29,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:29,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:29,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:29,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:29,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:08:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:29,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:29,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:29,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:29,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:29,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:29,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:29,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:29,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:29,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:29,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:29,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 16:08:29,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:29,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:29,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:29,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:29,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:29,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:29,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:29,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:29,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:29,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:29,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:29,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 16:08:29,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:29,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:29,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:29,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:29,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:29,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:29,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:29,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:29,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:29,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:29,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:29,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 16:08:29,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:29,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:29,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:29,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:29,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:29,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:29,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:29,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:29,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:29,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:29,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:29,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 16:08:29,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:29,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:29,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:29,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:29,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:29,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:29,100 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:29,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:29,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:29,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:29,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:29,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 16:08:29,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:29,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:29,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:29,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:29,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:29,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:29,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:29,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:29,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:29,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:29,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:29,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 16:08:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:29,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:29,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:29,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:29,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:29,109 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:29,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:29,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:29,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:29,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:29,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:29,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 16:08:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:29,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:29,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:29,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:29,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:29,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:29,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:29,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:29,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:29,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:29,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:29,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 16:08:29,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:29,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:29,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:29,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:29,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:29,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:29,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:29,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:29,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:29,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:29,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:29,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 16:08:29,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:29,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:29,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:29,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:29,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:29,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:29,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:29,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:29,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:29,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:29,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:29,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 16:08:29,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:29,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:29,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:29,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:29,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:29,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:29,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:29,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:29,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:29,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:29,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:29,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-12 16:08:29,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:29,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:29,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:29,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:29,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:29,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:29,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:29,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:29,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:29,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:29,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:29,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 16:08:29,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:29,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:29,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:29,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:29,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:29,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:29,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:29,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:29,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:29,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:29,137 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:29,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-12 16:08:29,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:29,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:29,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:29,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:29,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:29,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:29,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:29,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:29,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:29,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:29,142 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:29,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-12 16:08:29,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:29,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:29,145 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:29,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:29,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:29,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:29,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:29,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:29,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:29,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:29,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:29,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 16:08:29,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:29,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:29,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:29,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:29,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:29,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:29,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:29,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:29,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:29,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:29,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:29,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-12 16:08:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:29,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:29,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:29,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:29,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:29,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:29,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:29,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:29,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:29,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:29,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:29,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-12 16:08:29,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:29,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:29,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:29,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:29,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:29,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:29,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:29,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:29,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:29,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:29,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:29,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-12 16:08:29,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:29,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:29,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:29,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:29,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:29,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:29,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:29,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:29,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:29,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:29,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:29,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-10-12 16:08:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:29,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:29,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:29,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:29,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:29,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:29,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:29,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:29,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:29,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:29,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:29,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-12 16:08:29,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:29,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:29,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:29,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:29,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:29,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:29,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:29,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:29,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:29,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:29,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:29,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-12 16:08:29,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:29,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:29,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:29,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:29,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:29,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:29,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:29,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:29,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:29,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:29,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:29,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-12 16:08:29,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:29,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:29,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:29,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:29,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:29,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:29,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:29,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:29,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:29,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:29,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:29,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-10-12 16:08:29,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:29,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:29,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:29,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:29,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:29,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:29,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:29,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:29,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:29,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:29,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:29,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-10-12 16:08:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:29,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:29,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:29,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:29,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:29,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:29,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:29,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:29,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:29,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:29,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:29,225 INFO L134 CoverageAnalysis]: Checked inductivity of 2971 backedges. 460 proven. 1107 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2020-10-12 16:08:29,225 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [240841197] [2020-10-12 16:08:29,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:08:29,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2020-10-12 16:08:29,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598456263] [2020-10-12 16:08:29,226 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-10-12 16:08:29,226 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:08:29,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-10-12 16:08:29,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=469, Invalid=587, Unknown=0, NotChecked=0, Total=1056 [2020-10-12 16:08:29,226 INFO L87 Difference]: Start difference. First operand 232 states and 233 transitions. Second operand 33 states. [2020-10-12 16:08:29,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:08:29,578 INFO L93 Difference]: Finished difference Result 245 states and 247 transitions. [2020-10-12 16:08:29,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-12 16:08:29,579 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 229 [2020-10-12 16:08:29,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:08:29,581 INFO L225 Difference]: With dead ends: 245 [2020-10-12 16:08:29,581 INFO L226 Difference]: Without dead ends: 243 [2020-10-12 16:08:29,581 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 [2020-10-12 16:08:29,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2020-10-12 16:08:29,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 239. [2020-10-12 16:08:29,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2020-10-12 16:08:29,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 240 transitions. [2020-10-12 16:08:29,593 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 240 transitions. Word has length 229 [2020-10-12 16:08:29,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:08:29,593 INFO L479 AbstractCegarLoop]: Abstraction has 239 states and 240 transitions. [2020-10-12 16:08:29,593 INFO L480 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-10-12 16:08:29,593 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 240 transitions. [2020-10-12 16:08:29,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-10-12 16:08:29,595 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:08:29,595 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 29, 28, 28, 28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:08:29,595 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2020-10-12 16:08:29,595 INFO L427 AbstractCegarLoop]: === Iteration 57 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:08:29,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:08:29,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1274320081, now seen corresponding path program 55 times [2020-10-12 16:08:29,596 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:08:29,596 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1375236662] [2020-10-12 16:08:29,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:08:29,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:29,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:31,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:31,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 300 [2020-10-12 16:08:31,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:31,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1998 [2020-10-12 16:08:31,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:31,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 60 [2020-10-12 16:08:31,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:08:31,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 284 [2020-10-12 16:08:31,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:33,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:08:33,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:33,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:33,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:33,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:08:33,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:33,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:33,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:33,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:08:33,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:33,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:08:33,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:33,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 16:08:33,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:33,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:33,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:33,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:33,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:33,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:33,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:33,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:33,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:33,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:33,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:33,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 16:08:33,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:33,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:33,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:33,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:33,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:33,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:33,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:33,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:33,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:33,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:33,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:33,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:08:33,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:33,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:33,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:33,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:33,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:33,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:33,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:33,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:33,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:33,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:33,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:33,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 16:08:33,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:33,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:33,284 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:33,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:33,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:33,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:33,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:33,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:33,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:33,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:33,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:33,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 16:08:33,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:33,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:33,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:33,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:33,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:33,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:33,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:33,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:33,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:33,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:33,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:33,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 16:08:33,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:33,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:33,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:33,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:33,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:33,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:33,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:33,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:33,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:33,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:33,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:33,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 16:08:33,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:33,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:33,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:33,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:33,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:33,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:33,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:33,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:33,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:33,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:33,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:33,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 16:08:33,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:33,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:33,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:33,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:33,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:33,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:33,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:33,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:33,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:33,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:33,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:33,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 16:08:33,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:33,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:33,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:33,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:33,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:33,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:33,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:33,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:33,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:33,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:33,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:33,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 16:08:33,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:33,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:33,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:33,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:33,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:33,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:33,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:33,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:33,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:33,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:33,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:33,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 16:08:33,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:33,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:33,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:33,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:33,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:33,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:33,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:33,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:33,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:33,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:33,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:33,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 16:08:33,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:33,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:33,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:33,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:33,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:33,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:33,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:33,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:33,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:33,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:33,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:33,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 16:08:33,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:33,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:33,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:33,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:33,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:33,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:33,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:33,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:33,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:33,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:33,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:33,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-12 16:08:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:33,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:33,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:33,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:33,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:33,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:33,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:33,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:33,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:33,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:33,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:33,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 16:08:33,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:33,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:33,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:33,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:33,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:33,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:33,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:33,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:33,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:33,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:33,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:33,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-12 16:08:33,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:33,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:33,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:33,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:33,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:33,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:33,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:33,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:33,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:33,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:33,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:33,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-12 16:08:33,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:33,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:33,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:33,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:33,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:33,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:33,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:33,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:33,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:33,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:33,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:33,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 16:08:33,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:33,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:33,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:33,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:33,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:33,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:33,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:33,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:33,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:33,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:33,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:33,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-12 16:08:33,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:33,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:33,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:33,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:33,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:33,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:33,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:33,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:33,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:33,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:33,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:33,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-12 16:08:33,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:33,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:33,346 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:33,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:33,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:33,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:33,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:33,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:33,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:33,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:33,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:33,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-12 16:08:33,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:33,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:33,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:33,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:33,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:33,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:33,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:33,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:33,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:33,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:33,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:33,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-10-12 16:08:33,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:33,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:33,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:33,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:33,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:33,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:33,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:33,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:33,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:33,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:33,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:33,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-12 16:08:33,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:33,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:33,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:33,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:33,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:33,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:33,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:33,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:33,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:33,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:33,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:33,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-12 16:08:33,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:33,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:33,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:33,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:33,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:33,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:33,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:33,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:33,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:33,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:33,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:33,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-12 16:08:33,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:33,364 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:33,365 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:33,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:33,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:33,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:33,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:33,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:33,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:33,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:33,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:33,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-10-12 16:08:33,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:33,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:33,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:33,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:33,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:33,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:33,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:33,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:33,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:33,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:33,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:33,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-10-12 16:08:33,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:33,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:33,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:33,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:33,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:33,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:33,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:33,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:33,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:33,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:33,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:33,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-10-12 16:08:33,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:33,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:33,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:33,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:33,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:33,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:33,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:33,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:33,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:33,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:33,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:33,411 INFO L134 CoverageAnalysis]: Checked inductivity of 3164 backedges. 1246 proven. 406 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2020-10-12 16:08:33,411 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1375236662] [2020-10-12 16:08:33,411 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:08:33,411 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [61] total 61 [2020-10-12 16:08:33,411 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1420933660] [2020-10-12 16:08:33,412 INFO L459 AbstractCegarLoop]: Interpolant automaton has 61 states [2020-10-12 16:08:33,412 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:08:33,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2020-10-12 16:08:33,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=931, Invalid=2729, Unknown=0, NotChecked=0, Total=3660 [2020-10-12 16:08:33,412 INFO L87 Difference]: Start difference. First operand 239 states and 240 transitions. Second operand 61 states. [2020-10-12 16:08:36,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:08:36,266 INFO L93 Difference]: Finished difference Result 335 states and 365 transitions. [2020-10-12 16:08:36,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2020-10-12 16:08:36,267 INFO L78 Accepts]: Start accepts. Automaton has 61 states. Word has length 236 [2020-10-12 16:08:36,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:08:36,268 INFO L225 Difference]: With dead ends: 335 [2020-10-12 16:08:36,268 INFO L226 Difference]: Without dead ends: 240 [2020-10-12 16:08:36,270 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1246 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1921, Invalid=6269, Unknown=0, NotChecked=0, Total=8190 [2020-10-12 16:08:36,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-10-12 16:08:36,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 240. [2020-10-12 16:08:36,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 240 states. [2020-10-12 16:08:36,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 241 transitions. [2020-10-12 16:08:36,284 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 241 transitions. Word has length 236 [2020-10-12 16:08:36,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:08:36,284 INFO L479 AbstractCegarLoop]: Abstraction has 240 states and 241 transitions. [2020-10-12 16:08:36,284 INFO L480 AbstractCegarLoop]: Interpolant automaton has 61 states. [2020-10-12 16:08:36,284 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 241 transitions. [2020-10-12 16:08:36,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2020-10-12 16:08:36,286 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:08:36,286 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 29, 29, 28, 28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:08:36,286 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2020-10-12 16:08:36,286 INFO L427 AbstractCegarLoop]: === Iteration 58 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:08:36,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:08:36,287 INFO L82 PathProgramCache]: Analyzing trace with hash 1312284568, now seen corresponding path program 56 times [2020-10-12 16:08:36,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:08:36,287 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [818020892] [2020-10-12 16:08:36,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:08:36,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:36,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:38,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:38,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 301 [2020-10-12 16:08:38,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:38,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2402 [2020-10-12 16:08:38,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:38,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 61 [2020-10-12 16:08:38,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:08:38,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 290 [2020-10-12 16:08:38,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:39,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:08:39,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:39,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:39,367 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:39,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:08:39,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:39,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:39,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:39,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:08:39,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:39,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:08:39,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:39,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 16:08:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:39,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:39,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:39,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:39,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:39,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:39,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:39,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:39,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:39,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:39,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:39,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 16:08:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:39,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:39,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:39,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:39,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:39,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:39,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:39,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:39,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:39,374 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:39,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:39,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 16:08:39,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:39,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:39,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:39,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:39,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:39,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:39,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:39,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:39,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:39,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:39,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:39,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 16:08:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:39,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:39,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:39,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:39,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:39,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:39,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:39,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:39,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:39,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:39,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:39,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 16:08:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:39,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:39,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:39,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:39,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:39,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:39,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:39,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:39,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:39,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:39,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:39,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 16:08:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:39,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:39,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:39,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:39,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:39,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:39,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:39,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:39,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:39,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:39,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:39,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-12 16:08:39,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:39,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:39,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:39,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:39,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:39,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:39,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:39,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:39,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:39,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:39,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:39,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 16:08:39,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:39,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:39,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:39,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:39,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:39,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:39,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:39,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:39,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:39,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:39,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:39,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 16:08:39,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:39,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:39,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:39,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:39,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:39,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:39,393 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:39,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:39,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:39,393 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:39,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:39,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 16:08:39,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:39,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:39,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:39,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:39,396 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:39,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:39,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:39,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:39,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:39,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:39,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:39,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 16:08:39,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:39,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:39,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:39,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:39,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:39,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:39,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:39,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:39,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:39,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:39,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:39,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-12 16:08:39,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:39,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:39,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:39,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:39,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:39,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:39,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:39,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:39,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:39,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:39,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:39,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 16:08:39,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:39,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:39,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:39,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:39,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:39,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:39,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:39,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:39,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:39,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:39,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:39,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-12 16:08:39,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:39,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:39,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:39,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:39,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:39,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:39,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:39,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:39,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:39,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:39,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:39,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-12 16:08:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:39,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:39,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:39,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:39,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:39,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:39,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:39,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:39,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:39,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:39,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:39,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 16:08:39,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:39,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:39,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:39,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:39,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:39,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:39,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:39,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:39,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:39,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:39,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:39,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 16:08:39,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:39,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:39,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:39,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:39,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:39,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:39,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:39,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:39,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:39,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:39,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:39,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-12 16:08:39,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:39,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:39,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:39,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:39,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:39,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:39,423 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:39,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:39,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:39,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:39,424 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:39,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-12 16:08:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:39,426 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:39,428 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:39,428 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:39,428 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:39,428 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:39,428 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:39,428 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:39,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:39,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:39,429 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:39,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-12 16:08:39,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:39,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:39,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:39,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:39,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:39,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:39,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:39,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:39,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:39,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:39,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:39,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-12 16:08:39,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:39,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:39,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:39,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:39,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:39,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:39,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:39,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:39,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:39,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:39,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:39,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-10-12 16:08:39,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:39,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:39,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:39,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:39,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:39,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:39,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:39,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:39,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:39,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:39,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:39,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-10-12 16:08:39,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:39,446 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:39,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:39,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:39,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:39,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:39,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:39,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:39,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:39,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:39,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:39,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-10-12 16:08:39,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:39,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:39,452 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:39,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:39,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:39,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:39,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:39,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:39,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:39,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:39,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:39,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-12 16:08:39,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:39,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:39,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:39,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:39,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:39,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:39,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:39,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:39,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:39,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:39,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:39,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-12 16:08:39,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:39,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:39,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:39,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:39,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:39,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:39,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:39,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:39,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:39,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:39,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:39,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-12 16:08:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:39,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:39,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:39,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:39,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:39,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:39,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:39,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:39,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:39,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:39,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:39,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-10-12 16:08:39,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:39,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:39,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:39,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:39,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:39,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:39,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:39,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:39,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:39,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:39,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:39,497 INFO L134 CoverageAnalysis]: Checked inductivity of 3193 backedges. 491 proven. 1190 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2020-10-12 16:08:39,497 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [818020892] [2020-10-12 16:08:39,497 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:08:39,497 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2020-10-12 16:08:39,498 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218897215] [2020-10-12 16:08:39,498 INFO L459 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-10-12 16:08:39,498 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:08:39,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-10-12 16:08:39,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=500, Invalid=622, Unknown=0, NotChecked=0, Total=1122 [2020-10-12 16:08:39,499 INFO L87 Difference]: Start difference. First operand 240 states and 241 transitions. Second operand 34 states. [2020-10-12 16:08:39,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:08:39,854 INFO L93 Difference]: Finished difference Result 253 states and 255 transitions. [2020-10-12 16:08:39,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-12 16:08:39,855 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 237 [2020-10-12 16:08:39,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:08:39,857 INFO L225 Difference]: With dead ends: 253 [2020-10-12 16:08:39,857 INFO L226 Difference]: Without dead ends: 251 [2020-10-12 16:08:39,857 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=504, Invalid=686, Unknown=0, NotChecked=0, Total=1190 [2020-10-12 16:08:39,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2020-10-12 16:08:39,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 247. [2020-10-12 16:08:39,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2020-10-12 16:08:39,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 248 transitions. [2020-10-12 16:08:39,874 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 248 transitions. Word has length 237 [2020-10-12 16:08:39,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:08:39,874 INFO L479 AbstractCegarLoop]: Abstraction has 247 states and 248 transitions. [2020-10-12 16:08:39,874 INFO L480 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-10-12 16:08:39,874 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 248 transitions. [2020-10-12 16:08:39,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-10-12 16:08:39,876 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:08:39,876 INFO L422 BasicCegarLoop]: trace histogram [30, 30, 30, 29, 29, 29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:08:39,876 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2020-10-12 16:08:39,876 INFO L427 AbstractCegarLoop]: === Iteration 59 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:08:39,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:08:39,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1561906162, now seen corresponding path program 57 times [2020-10-12 16:08:39,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:08:39,877 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1813637185] [2020-10-12 16:08:39,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:08:39,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:39,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:42,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:42,372 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 310 [2020-10-12 16:08:42,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:42,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2438 [2020-10-12 16:08:42,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:42,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 62 [2020-10-12 16:08:42,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:08:42,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 294 [2020-10-12 16:08:42,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:44,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:08:44,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:44,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:44,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:44,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:08:44,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:44,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:44,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:44,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:08:44,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:44,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:08:44,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:44,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 16:08:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:44,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:44,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:44,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:44,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:44,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:44,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:44,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:44,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:44,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:44,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:44,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 16:08:44,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:44,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:44,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:44,234 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:44,234 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:44,234 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:44,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:44,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:44,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:44,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:44,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:44,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 16:08:44,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:44,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:44,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:44,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:44,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:44,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:44,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:44,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:44,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:44,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:44,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:44,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 16:08:44,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:44,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:44,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:44,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:44,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:44,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:44,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:44,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:44,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:44,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:44,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:44,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 16:08:44,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:44,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:44,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:44,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:44,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:44,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:44,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:44,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:44,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:44,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:44,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:44,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 16:08:44,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:44,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:44,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:44,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:44,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:44,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:44,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:44,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:44,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:44,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:44,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:44,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-12 16:08:44,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:44,249 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:44,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:44,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:44,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:44,250 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:44,250 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:44,250 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:44,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:44,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:44,251 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:44,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 16:08:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:44,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:44,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:44,254 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:44,254 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:44,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:44,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:44,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:44,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:44,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:44,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:44,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 16:08:44,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:44,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:44,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:44,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:44,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:44,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:44,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:44,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:44,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:44,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:44,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:44,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 16:08:44,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:44,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:44,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:44,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:44,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:44,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:44,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:44,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:44,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:44,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:44,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:44,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 16:08:44,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:44,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:44,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:44,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:44,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:44,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:44,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:44,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:44,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:44,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:44,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:44,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-12 16:08:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:44,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:44,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:44,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:44,266 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:44,266 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:44,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:44,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:44,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:44,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:44,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:44,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 16:08:44,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:44,268 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:44,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:44,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:44,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:44,269 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:44,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:44,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:44,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:44,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:44,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:44,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-12 16:08:44,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:44,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:44,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:44,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:44,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:44,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:44,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:44,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:44,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:44,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:44,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:44,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-12 16:08:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:44,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:44,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:44,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:44,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:44,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:44,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:44,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:44,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:44,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:44,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:44,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 16:08:44,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:44,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:44,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:44,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:44,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:44,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:44,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:44,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:44,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:44,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:44,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:44,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 16:08:44,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:44,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:44,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:44,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:44,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:44,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:44,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:44,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:44,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:44,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:44,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:44,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-12 16:08:44,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:44,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:44,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:44,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:44,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:44,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:44,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:44,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:44,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:44,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:44,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:44,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-12 16:08:44,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:44,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:44,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:44,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:44,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:44,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:44,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:44,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:44,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:44,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:44,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:44,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-12 16:08:44,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:44,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:44,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:44,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:44,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:44,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:44,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:44,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:44,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:44,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:44,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:44,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-12 16:08:44,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:44,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:44,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:44,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:44,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:44,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:44,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:44,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:44,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:44,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:44,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:44,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-10-12 16:08:44,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:44,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:44,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:44,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:44,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:44,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:44,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:44,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:44,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:44,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:44,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:44,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-10-12 16:08:44,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:44,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:44,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:44,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:44,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:44,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:44,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:44,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:44,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:44,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:44,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:44,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-10-12 16:08:44,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:44,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:44,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:44,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:44,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:44,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:44,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:44,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:44,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:44,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:44,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:44,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-12 16:08:44,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:44,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:44,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:44,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:44,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:44,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:44,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:44,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:44,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:44,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:44,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:44,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-12 16:08:44,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:44,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:44,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:44,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:44,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:44,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:44,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:44,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:44,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:44,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:44,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:44,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-12 16:08:44,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:44,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:44,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:44,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:44,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:44,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:44,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:44,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:44,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:44,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:44,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:44,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-10-12 16:08:44,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:44,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:44,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:44,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:44,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:44,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:44,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:44,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:44,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:44,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:44,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:44,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-10-12 16:08:44,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:44,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:44,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:44,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:44,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:44,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:44,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:44,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:44,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:44,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:44,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:44,358 INFO L134 CoverageAnalysis]: Checked inductivity of 3393 backedges. 1334 proven. 435 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2020-10-12 16:08:44,358 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1813637185] [2020-10-12 16:08:44,359 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:08:44,359 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63] total 63 [2020-10-12 16:08:44,359 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27135559] [2020-10-12 16:08:44,359 INFO L459 AbstractCegarLoop]: Interpolant automaton has 63 states [2020-10-12 16:08:44,359 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:08:44,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2020-10-12 16:08:44,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=993, Invalid=2913, Unknown=0, NotChecked=0, Total=3906 [2020-10-12 16:08:44,360 INFO L87 Difference]: Start difference. First operand 247 states and 248 transitions. Second operand 63 states. [2020-10-12 16:08:46,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:08:46,110 INFO L93 Difference]: Finished difference Result 346 states and 377 transitions. [2020-10-12 16:08:46,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2020-10-12 16:08:46,111 INFO L78 Accepts]: Start accepts. Automaton has 63 states. Word has length 244 [2020-10-12 16:08:46,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:08:46,113 INFO L225 Difference]: With dead ends: 346 [2020-10-12 16:08:46,113 INFO L226 Difference]: Without dead ends: 248 [2020-10-12 16:08:46,115 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 [2020-10-12 16:08:46,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2020-10-12 16:08:46,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 248. [2020-10-12 16:08:46,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 248 states. [2020-10-12 16:08:46,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 249 transitions. [2020-10-12 16:08:46,128 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 249 transitions. Word has length 244 [2020-10-12 16:08:46,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:08:46,128 INFO L479 AbstractCegarLoop]: Abstraction has 248 states and 249 transitions. [2020-10-12 16:08:46,128 INFO L480 AbstractCegarLoop]: Interpolant automaton has 63 states. [2020-10-12 16:08:46,129 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 249 transitions. [2020-10-12 16:08:46,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-10-12 16:08:46,130 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:08:46,130 INFO L422 BasicCegarLoop]: trace histogram [30, 30, 30, 30, 29, 29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:08:46,130 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2020-10-12 16:08:46,130 INFO L427 AbstractCegarLoop]: === Iteration 60 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:08:46,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:08:46,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1973706681, now seen corresponding path program 58 times [2020-10-12 16:08:46,131 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:08:46,131 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [59883304] [2020-10-12 16:08:46,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:08:46,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:46,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:48,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:48,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 311 [2020-10-12 16:08:48,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:48,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2210 [2020-10-12 16:08:48,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:48,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 63 [2020-10-12 16:08:48,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:08:48,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 300 [2020-10-12 16:08:48,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:49,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:08:49,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:49,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:49,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:49,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:08:49,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:49,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:49,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:49,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:08:49,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:49,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:08:49,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:49,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 16:08:49,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:49,061 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:49,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:49,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:49,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:49,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:49,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:49,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:49,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:49,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:49,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:49,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 16:08:49,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:49,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:49,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:49,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:49,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:49,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:49,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:49,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:49,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:49,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:49,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:49,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-12 16:08:49,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:49,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:49,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:49,068 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:49,068 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:49,068 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:49,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:49,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:49,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:49,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:49,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:49,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:08:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:49,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:49,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:49,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:49,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:49,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:49,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:49,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:49,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:49,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:49,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:49,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-12 16:08:49,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:49,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:49,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:49,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:49,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:49,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:49,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:49,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:49,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:49,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:49,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:49,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 16:08:49,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:49,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:49,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:49,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:49,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:49,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:49,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:49,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:49,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:49,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:49,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:49,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-12 16:08:49,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:49,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:49,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:49,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:49,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:49,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:49,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:49,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:49,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:49,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:49,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:49,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 16:08:49,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:49,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:49,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:49,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:49,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:49,083 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:49,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:49,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:49,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:49,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:49,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:49,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 16:08:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:49,086 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:49,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:49,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:49,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:49,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:49,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:49,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:49,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:49,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:49,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:49,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 16:08:49,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:49,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:49,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:49,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:49,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:49,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:49,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:49,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:49,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:49,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:49,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:49,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 16:08:49,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:49,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:49,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:49,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:49,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:49,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:49,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:49,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:49,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:49,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:49,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:49,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 16:08:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:49,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:49,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:49,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:49,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:49,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:49,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:49,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:49,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:49,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:49,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:49,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 16:08:49,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:49,098 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:49,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:49,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:49,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:49,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:49,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:49,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:49,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:49,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:49,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:49,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 16:08:49,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:49,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:49,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:49,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:49,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:49,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:49,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:49,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:49,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:49,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:49,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:49,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-12 16:08:49,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:49,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:49,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:49,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:49,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:49,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:49,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:49,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:49,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:49,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:49,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:49,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-12 16:08:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:49,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:49,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:49,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:49,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:49,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:49,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:49,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:49,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:49,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:49,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:49,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-12 16:08:49,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:49,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:49,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:49,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:49,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:49,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:49,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:49,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:49,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:49,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:49,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:49,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-12 16:08:49,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:49,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:49,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:49,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:49,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:49,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:49,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:49,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:49,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:49,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:49,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:49,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-12 16:08:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:49,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:49,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:49,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:49,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:49,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:49,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:49,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:49,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:49,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:49,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:49,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-12 16:08:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:49,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:49,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:49,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:49,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:49,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:49,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:49,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:49,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:49,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:49,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:49,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-12 16:08:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:49,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:49,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:49,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:49,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:49,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:49,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:49,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:49,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:49,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:49,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:49,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 16:08:49,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:49,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:49,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:49,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:49,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:49,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:49,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:49,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:49,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:49,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:49,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:49,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-12 16:08:49,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:49,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:49,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:49,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:49,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:49,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:49,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:49,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:49,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:49,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:49,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:49,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-12 16:08:49,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:49,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:49,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:49,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:49,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:49,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:49,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:49,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:49,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:49,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:49,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:49,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-10-12 16:08:49,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:49,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:49,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:49,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:49,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:49,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:49,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:49,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:49,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:49,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:49,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:49,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-12 16:08:49,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:49,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:49,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:49,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:49,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:49,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:49,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:49,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:49,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:49,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:49,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:49,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-12 16:08:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:49,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:49,148 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:49,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:49,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:49,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:49,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:49,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:49,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:49,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:49,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:49,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-12 16:08:49,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:49,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:49,152 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:49,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:49,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:49,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:49,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:49,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:49,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:49,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:49,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:49,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-12 16:08:49,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:49,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:49,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:49,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:49,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:49,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:49,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:49,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:49,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:49,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:49,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:49,185 INFO L134 CoverageAnalysis]: Checked inductivity of 3423 backedges. 523 proven. 1276 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2020-10-12 16:08:49,185 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [59883304] [2020-10-12 16:08:49,185 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:08:49,185 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2020-10-12 16:08:49,185 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023198502] [2020-10-12 16:08:49,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 35 states [2020-10-12 16:08:49,186 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:08:49,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2020-10-12 16:08:49,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=532, Invalid=658, Unknown=0, NotChecked=0, Total=1190 [2020-10-12 16:08:49,186 INFO L87 Difference]: Start difference. First operand 248 states and 249 transitions. Second operand 35 states. [2020-10-12 16:08:49,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:08:49,589 INFO L93 Difference]: Finished difference Result 261 states and 263 transitions. [2020-10-12 16:08:49,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-12 16:08:49,590 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 245 [2020-10-12 16:08:49,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:08:49,592 INFO L225 Difference]: With dead ends: 261 [2020-10-12 16:08:49,592 INFO L226 Difference]: Without dead ends: 259 [2020-10-12 16:08:49,593 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 [2020-10-12 16:08:49,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2020-10-12 16:08:49,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 255. [2020-10-12 16:08:49,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2020-10-12 16:08:49,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 256 transitions. [2020-10-12 16:08:49,605 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 256 transitions. Word has length 245 [2020-10-12 16:08:49,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:08:49,606 INFO L479 AbstractCegarLoop]: Abstraction has 255 states and 256 transitions. [2020-10-12 16:08:49,606 INFO L480 AbstractCegarLoop]: Interpolant automaton has 35 states. [2020-10-12 16:08:49,606 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 256 transitions. [2020-10-12 16:08:49,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2020-10-12 16:08:49,607 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:08:49,608 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 31, 30, 30, 30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:08:49,608 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2020-10-12 16:08:49,608 INFO L427 AbstractCegarLoop]: === Iteration 61 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:08:49,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:08:49,608 INFO L82 PathProgramCache]: Analyzing trace with hash 1050875057, now seen corresponding path program 59 times [2020-10-12 16:08:49,609 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:08:49,609 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1400216747] [2020-10-12 16:08:49,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:08:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:49,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:52,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:52,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 320 [2020-10-12 16:08:52,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:52,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2413 [2020-10-12 16:08:52,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:52,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 64 [2020-10-12 16:08:52,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:08:52,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 304 [2020-10-12 16:08:52,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:54,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:08:54,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:54,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:54,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:54,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:08:54,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:54,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:54,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:54,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:08:54,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:54,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:08:54,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:54,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 16:08:54,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:54,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:54,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:54,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:54,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:54,053 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:54,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:54,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:54,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:54,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:54,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:54,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 16:08:54,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:54,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:54,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:54,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:54,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:54,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:08:54,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:54,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:54,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:54,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:54,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:54,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-12 16:08:54,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:54,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:54,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:54,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:54,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:54,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:54,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:54,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:54,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:54,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:54,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:54,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:08:54,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:54,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:54,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:54,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:54,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:54,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:54,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:54,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:54,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:54,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:54,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:54,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-12 16:08:54,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:54,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:54,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:54,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:54,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:54,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:54,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:54,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:54,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:54,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:54,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:54,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 16:08:54,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:54,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:54,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:54,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:54,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:54,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:54,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:54,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:54,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:54,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:54,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:54,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-12 16:08:54,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:54,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:54,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:54,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:54,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:54,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:54,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:54,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:54,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:54,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:54,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:54,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 16:08:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:54,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:54,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:54,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:54,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:54,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:54,080 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:54,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:54,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:54,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:54,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:54,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 16:08:54,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:54,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:54,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:54,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:54,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:54,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:54,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:54,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:54,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:54,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:54,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:54,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 16:08:54,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:54,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:54,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:54,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:54,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:54,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:54,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:54,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:54,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:54,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:54,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:54,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 16:08:54,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:54,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:54,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:54,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:54,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:54,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:54,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:54,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:54,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:54,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:54,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:54,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 16:08:54,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:54,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:54,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:54,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:54,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:54,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:54,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:54,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:54,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:54,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:54,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:54,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 16:08:54,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:54,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:54,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:54,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:54,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:54,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:54,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:54,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:54,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:54,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:54,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:54,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 16:08:54,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:54,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:54,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:54,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:54,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:54,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:54,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:54,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:54,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:54,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:54,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:54,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-12 16:08:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:54,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:54,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:54,113 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:54,113 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:54,113 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:54,113 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:54,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:54,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:54,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:54,114 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:54,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-12 16:08:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:54,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:54,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:54,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:54,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:54,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:54,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:54,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:54,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:54,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:54,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:54,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-12 16:08:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:54,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:54,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:54,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:54,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:54,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:54,121 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:54,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:54,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:54,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:54,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:54,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-12 16:08:54,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:54,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:54,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:54,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:54,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:54,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:54,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:54,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:54,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:54,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:54,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:54,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-12 16:08:54,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:54,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:54,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:54,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:54,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:54,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:54,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:54,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:54,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:54,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:54,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:54,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-12 16:08:54,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:54,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:54,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:54,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:54,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:54,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:54,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:54,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:54,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:54,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:54,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:54,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-12 16:08:54,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:54,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:54,134 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:54,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:54,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:54,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:54,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:54,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:54,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:54,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:54,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:54,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 16:08:54,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:54,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:54,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:54,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:54,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:54,138 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:54,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:54,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:54,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:54,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:54,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:54,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-12 16:08:54,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:54,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:54,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:54,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:54,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:54,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:54,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:54,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:54,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:54,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:54,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:54,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-12 16:08:54,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:54,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:54,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:54,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:54,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:54,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:54,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:54,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:54,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:54,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:54,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:54,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-10-12 16:08:54,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:54,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:54,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:54,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:54,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:54,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:54,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:54,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:54,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:54,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:54,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:54,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-12 16:08:54,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:54,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:54,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:54,152 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:54,152 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:54,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:54,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:54,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:54,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:54,153 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:54,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:54,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-12 16:08:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:54,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:54,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:54,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:54,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:54,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:54,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:54,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:54,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:54,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:54,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:54,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-12 16:08:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:54,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:54,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:54,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:54,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:54,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:54,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:54,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:54,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:54,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:54,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:54,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-12 16:08:54,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:54,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:54,163 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:54,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:54,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:54,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:54,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:54,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:54,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:54,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:54,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:54,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-12 16:08:54,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:54,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:54,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:54,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:54,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:54,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:54,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:54,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:54,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:54,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:54,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:54,205 INFO L134 CoverageAnalysis]: Checked inductivity of 3630 backedges. 1425 proven. 465 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2020-10-12 16:08:54,205 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1400216747] [2020-10-12 16:08:54,206 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:08:54,206 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65] total 65 [2020-10-12 16:08:54,206 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637710439] [2020-10-12 16:08:54,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 65 states [2020-10-12 16:08:54,206 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:08:54,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2020-10-12 16:08:54,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1057, Invalid=3103, Unknown=0, NotChecked=0, Total=4160 [2020-10-12 16:08:54,207 INFO L87 Difference]: Start difference. First operand 255 states and 256 transitions. Second operand 65 states. [2020-10-12 16:08:57,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:08:57,435 INFO L93 Difference]: Finished difference Result 357 states and 389 transitions. [2020-10-12 16:08:57,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2020-10-12 16:08:57,435 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 252 [2020-10-12 16:08:57,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:08:57,437 INFO L225 Difference]: With dead ends: 357 [2020-10-12 16:08:57,437 INFO L226 Difference]: Without dead ends: 256 [2020-10-12 16:08:57,438 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1425 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=2177, Invalid=7135, Unknown=0, NotChecked=0, Total=9312 [2020-10-12 16:08:57,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2020-10-12 16:08:57,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 256. [2020-10-12 16:08:57,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2020-10-12 16:08:57,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 257 transitions. [2020-10-12 16:08:57,452 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 257 transitions. Word has length 252 [2020-10-12 16:08:57,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:08:57,452 INFO L479 AbstractCegarLoop]: Abstraction has 256 states and 257 transitions. [2020-10-12 16:08:57,452 INFO L480 AbstractCegarLoop]: Interpolant automaton has 65 states. [2020-10-12 16:08:57,452 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 257 transitions. [2020-10-12 16:08:57,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2020-10-12 16:08:57,454 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:08:57,455 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 31, 31, 30, 30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:08:57,455 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2020-10-12 16:08:57,455 INFO L427 AbstractCegarLoop]: === Iteration 62 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:08:57,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:08:57,455 INFO L82 PathProgramCache]: Analyzing trace with hash 689828216, now seen corresponding path program 60 times [2020-10-12 16:08:57,456 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:08:57,456 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1739019191] [2020-10-12 16:08:57,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:08:57,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:57,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:59,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:59,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 321 [2020-10-12 16:08:59,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:59,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2449 [2020-10-12 16:08:59,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:59,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 65 [2020-10-12 16:08:59,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:08:59,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 310 [2020-10-12 16:08:59,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:09:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:09:00,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:00,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:09:00,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:09:00,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 16:09:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:00,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 16:09:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:00,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 16:09:00,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:00,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 16:09:00,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:00,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 16:09:00,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:00,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-12 16:09:00,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:00,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-12 16:09:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:00,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-12 16:09:00,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:00,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 16:09:00,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:00,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-12 16:09:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:00,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,744 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 16:09:00,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,746 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:00,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-12 16:09:00,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:00,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 16:09:00,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:00,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-12 16:09:00,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:00,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-12 16:09:00,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:00,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 16:09:00,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:00,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-12 16:09:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:00,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-12 16:09:00,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:00,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-12 16:09:00,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:00,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-12 16:09:00,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:00,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-12 16:09:00,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:00,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-10-12 16:09:00,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:00,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-12 16:09:00,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,784 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:00,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-12 16:09:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:00,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,788 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,788 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-10-12 16:09:00,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:00,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-10-12 16:09:00,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:00,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-12 16:09:00,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:00,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-10-12 16:09:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:00,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2020-10-12 16:09:00,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:00,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-10-12 16:09:00,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:00,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,849 INFO L134 CoverageAnalysis]: Checked inductivity of 3661 backedges. 556 proven. 1365 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2020-10-12 16:09:00,849 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1739019191] [2020-10-12 16:09:00,849 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:09:00,850 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2020-10-12 16:09:00,850 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197666039] [2020-10-12 16:09:00,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 36 states [2020-10-12 16:09:00,850 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:09:00,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2020-10-12 16:09:00,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=565, Invalid=695, Unknown=0, NotChecked=0, Total=1260 [2020-10-12 16:09:00,850 INFO L87 Difference]: Start difference. First operand 256 states and 257 transitions. Second operand 36 states. [2020-10-12 16:09:01,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:09:01,229 INFO L93 Difference]: Finished difference Result 269 states and 271 transitions. [2020-10-12 16:09:01,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-12 16:09:01,232 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 253 [2020-10-12 16:09:01,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:09:01,234 INFO L225 Difference]: With dead ends: 269 [2020-10-12 16:09:01,234 INFO L226 Difference]: Without dead ends: 267 [2020-10-12 16:09:01,234 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 [2020-10-12 16:09:01,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2020-10-12 16:09:01,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 263. [2020-10-12 16:09:01,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2020-10-12 16:09:01,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 264 transitions. [2020-10-12 16:09:01,248 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 264 transitions. Word has length 253 [2020-10-12 16:09:01,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:09:01,249 INFO L479 AbstractCegarLoop]: Abstraction has 263 states and 264 transitions. [2020-10-12 16:09:01,249 INFO L480 AbstractCegarLoop]: Interpolant automaton has 36 states. [2020-10-12 16:09:01,249 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 264 transitions. [2020-10-12 16:09:01,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-10-12 16:09:01,250 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:09:01,251 INFO L422 BasicCegarLoop]: trace histogram [32, 32, 32, 31, 31, 31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:09:01,251 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable61 [2020-10-12 16:09:01,251 INFO L427 AbstractCegarLoop]: === Iteration 63 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:09:01,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:09:01,251 INFO L82 PathProgramCache]: Analyzing trace with hash 1819598354, now seen corresponding path program 61 times [2020-10-12 16:09:01,251 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:09:01,251 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1550285066] [2020-10-12 16:09:01,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:09:01,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:01,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:03,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:03,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 330 [2020-10-12 16:09:03,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:03,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2601 [2020-10-12 16:09:03,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:03,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 66 [2020-10-12 16:09:03,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:09:03,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 314 [2020-10-12 16:09:03,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:05,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:09:05,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:05,984 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:05,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:05,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:09:05,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:05,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:05,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:05,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:09:05,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:05,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:09:05,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:05,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 16:09:05,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:05,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:05,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:05,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:05,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:05,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:05,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:05,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:05,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:05,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:05,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:05,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 16:09:05,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:05,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:05,991 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:05,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:05,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:05,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:05,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:05,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:05,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:05,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:05,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:05,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 16:09:05,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:05,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:05,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:05,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:05,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:05,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:05,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:05,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:05,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:05,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:05,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:05,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 16:09:05,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:05,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:05,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:05,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:05,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:05,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:05,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:05,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:05,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:05,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:05,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:05,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 16:09:06,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:06,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:06,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:06,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:06,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:06,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:06,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:06,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:06,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:06,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:06,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:06,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-12 16:09:06,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:06,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:06,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:06,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:06,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:06,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:06,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:06,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:06,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:06,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:06,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:06,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-12 16:09:06,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:06,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:06,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:06,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:06,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:06,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:06,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:06,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:06,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:06,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:06,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:06,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-12 16:09:06,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:06,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:06,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:06,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:06,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:06,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:06,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:06,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:06,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:06,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:06,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:06,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 16:09:06,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:06,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:06,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:06,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:06,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:06,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:06,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:06,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:06,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:06,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:06,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:06,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-12 16:09:06,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:06,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:06,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:06,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:06,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:06,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:06,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:06,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:06,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:06,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:06,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:06,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 16:09:06,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:06,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:06,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:06,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:06,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:06,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:06,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:06,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:06,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:06,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:06,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:06,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-12 16:09:06,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:06,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:06,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:06,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:06,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:06,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:06,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:06,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:06,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:06,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:06,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:06,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 16:09:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:06,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:06,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:06,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:06,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:06,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:06,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:06,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:06,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:06,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:06,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:06,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-12 16:09:06,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:06,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:06,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:06,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:06,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:06,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:06,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:06,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:06,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:06,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:06,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:06,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-12 16:09:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:06,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:06,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:06,035 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:06,035 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:06,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:06,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:06,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:06,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:06,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:06,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:06,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 16:09:06,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:06,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:06,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:06,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:06,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:06,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:06,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:06,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:06,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:06,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:06,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:06,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-12 16:09:06,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:06,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:06,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:06,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:06,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:06,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:06,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:06,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:06,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:06,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:06,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:06,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-12 16:09:06,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:06,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:06,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:06,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:06,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:06,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:06,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:06,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:06,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:06,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:06,045 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:06,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-12 16:09:06,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:06,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:06,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:06,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:06,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:06,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:06,048 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:06,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:06,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:06,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:06,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:06,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-12 16:09:06,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:06,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:06,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:06,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:06,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:06,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:06,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:06,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:06,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:06,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:06,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:06,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-12 16:09:06,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:06,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:06,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:06,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:06,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:06,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:06,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:06,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:06,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:06,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:06,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:06,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-10-12 16:09:06,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:06,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:06,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:06,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:06,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:06,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:06,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:06,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:06,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:06,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:06,057 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:06,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-12 16:09:06,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:06,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:06,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:06,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:06,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:06,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:06,060 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:06,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:06,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:06,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:06,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:06,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-12 16:09:06,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:06,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:06,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:06,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:06,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:06,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:06,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:06,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:06,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:06,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:06,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:06,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-10-12 16:09:06,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:06,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:06,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:06,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:06,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:06,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:06,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:06,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:06,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:06,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:06,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:06,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-10-12 16:09:06,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:06,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:06,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:06,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:06,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:06,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:06,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:06,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:06,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:06,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:06,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:06,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-12 16:09:06,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:06,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:06,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:06,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:06,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:06,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:06,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:06,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:06,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:06,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:06,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:06,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-10-12 16:09:06,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:06,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:06,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:06,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:06,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:06,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:06,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:06,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:06,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:06,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:06,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:06,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2020-10-12 16:09:06,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:06,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:06,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:06,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:06,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:06,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:06,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:06,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:06,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:06,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:06,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:06,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-10-12 16:09:06,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:06,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:06,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:06,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:06,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:06,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:06,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:06,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:06,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:06,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:06,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:06,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-10-12 16:09:06,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:06,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:06,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:06,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:06,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:06,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:06,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:06,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:06,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:06,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:06,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:06,131 INFO L134 CoverageAnalysis]: Checked inductivity of 3875 backedges. 1519 proven. 496 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2020-10-12 16:09:06,132 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1550285066] [2020-10-12 16:09:06,132 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:09:06,132 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [67] total 67 [2020-10-12 16:09:06,132 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799698079] [2020-10-12 16:09:06,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 67 states [2020-10-12 16:09:06,132 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:09:06,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2020-10-12 16:09:06,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1123, Invalid=3299, Unknown=0, NotChecked=0, Total=4422 [2020-10-12 16:09:06,133 INFO L87 Difference]: Start difference. First operand 263 states and 264 transitions. Second operand 67 states. [2020-10-12 16:09:08,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:09:08,193 INFO L93 Difference]: Finished difference Result 368 states and 401 transitions. [2020-10-12 16:09:08,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2020-10-12 16:09:08,194 INFO L78 Accepts]: Start accepts. Automaton has 67 states. Word has length 260 [2020-10-12 16:09:08,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:09:08,195 INFO L225 Difference]: With dead ends: 368 [2020-10-12 16:09:08,195 INFO L226 Difference]: Without dead ends: 264 [2020-10-12 16:09:08,196 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1519 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=2311, Invalid=7589, Unknown=0, NotChecked=0, Total=9900 [2020-10-12 16:09:08,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2020-10-12 16:09:08,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 264. [2020-10-12 16:09:08,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2020-10-12 16:09:08,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 265 transitions. [2020-10-12 16:09:08,205 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 265 transitions. Word has length 260 [2020-10-12 16:09:08,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:09:08,205 INFO L479 AbstractCegarLoop]: Abstraction has 264 states and 265 transitions. [2020-10-12 16:09:08,206 INFO L480 AbstractCegarLoop]: Interpolant automaton has 67 states. [2020-10-12 16:09:08,206 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 265 transitions. [2020-10-12 16:09:08,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2020-10-12 16:09:08,207 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:09:08,207 INFO L422 BasicCegarLoop]: trace histogram [32, 32, 32, 32, 31, 31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:09:08,207 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable62 [2020-10-12 16:09:08,207 INFO L427 AbstractCegarLoop]: === Iteration 64 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:09:08,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:09:08,207 INFO L82 PathProgramCache]: Analyzing trace with hash 1300628441, now seen corresponding path program 62 times [2020-10-12 16:09:08,207 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:09:08,207 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [785736145] [2020-10-12 16:09:08,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:09:08,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:08,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:10,782 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:10,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 331 [2020-10-12 16:09:10,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:10,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2537 [2020-10-12 16:09:10,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:10,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 67 [2020-10-12 16:09:10,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:09:10,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 320 [2020-10-12 16:09:10,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:11,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:09:11,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:11,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:11,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:11,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:09:11,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:11,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:11,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:11,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:09:11,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:11,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:09:11,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:09:11,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 16:09:11,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:11,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:11,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:11,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:11,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:11,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:11,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:11,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:11,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:11,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:11,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:11,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 16:09:11,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:11,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:11,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:11,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:11,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:11,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:11,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:11,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:11,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:11,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:11,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:11,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 16:09:11,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:11,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:11,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:11,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:11,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:11,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:11,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:11,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:11,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:11,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:11,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:11,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 16:09:11,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:11,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:11,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:11,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:11,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:11,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:11,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:11,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:11,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:11,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:11,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:11,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:09:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:11,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:11,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:11,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:11,569 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:11,569 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:11,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:11,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:11,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:11,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:11,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:11,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 16:09:11,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:11,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:11,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:11,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:11,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:11,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:11,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:11,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:11,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:11,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:11,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:11,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 16:09:11,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:11,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:11,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:11,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:11,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:11,575 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:11,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:11,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:11,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:11,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:11,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:11,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 16:09:11,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:11,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:11,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:11,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:11,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:11,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:11,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:11,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:11,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:11,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:11,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:11,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-12 16:09:11,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:11,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:11,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:11,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:11,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:11,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:11,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:11,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:11,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:11,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:11,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:11,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-12 16:09:11,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:11,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:11,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:11,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:11,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:11,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:11,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:11,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:11,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:11,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:11,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:11,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 16:09:11,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:11,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:11,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:11,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:11,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:11,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:11,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:11,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:11,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:11,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:11,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:11,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 16:09:11,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:11,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:11,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:11,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:11,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:11,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:11,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:11,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:11,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:11,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:11,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:11,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 16:09:11,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:11,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:11,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:11,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:11,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:11,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:11,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:11,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:11,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:11,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:11,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:11,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 16:09:11,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:11,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:11,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:11,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:11,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:11,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:11,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:11,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:11,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:11,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:11,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:11,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-12 16:09:11,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:11,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:11,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:11,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:11,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:11,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:11,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:11,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:11,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:11,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:11,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:11,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 16:09:11,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:11,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:11,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:11,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:11,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:11,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:11,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:11,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:11,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:11,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:11,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:11,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-12 16:09:11,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:11,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:11,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:11,609 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:11,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:11,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:11,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:11,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:11,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:11,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:11,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:11,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-12 16:09:11,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:11,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:11,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:11,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:11,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:11,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:11,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:11,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:11,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:11,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:11,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:11,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-12 16:09:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:11,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:11,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:11,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:11,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:11,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:11,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:11,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:11,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:11,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:11,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:11,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-12 16:09:11,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:11,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:11,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:11,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:11,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:11,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:11,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:11,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:11,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:11,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:11,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:11,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-12 16:09:11,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:11,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:11,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:11,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:11,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:11,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:11,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:11,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:11,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:11,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:11,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:11,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-12 16:09:11,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:11,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:11,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:11,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:11,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:11,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:11,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:11,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:11,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:11,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:11,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:11,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-12 16:09:11,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:11,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:11,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:11,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:11,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:11,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:11,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:11,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:11,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:11,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:11,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:11,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-12 16:09:11,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:11,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:11,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:11,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:11,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:11,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:11,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:11,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:11,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:11,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:11,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:11,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-12 16:09:11,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:11,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:11,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:11,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:11,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:11,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:11,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:11,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:11,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:11,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:11,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:11,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-12 16:09:11,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:11,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:11,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:11,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:11,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:11,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:11,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:11,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:11,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:11,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:11,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:11,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-12 16:09:11,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:11,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:11,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:11,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:11,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:11,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:11,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:11,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:11,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:11,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:11,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:11,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-12 16:09:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:11,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:11,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:11,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:11,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:11,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:11,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:11,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:11,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:11,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:11,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:11,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-10-12 16:09:11,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:11,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:11,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:11,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:11,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:11,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:11,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:11,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:11,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:11,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:11,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:11,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2020-10-12 16:09:11,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:11,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:11,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:11,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:11,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:11,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:11,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:11,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:11,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:11,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:11,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:11,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-10-12 16:09:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:11,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:11,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:11,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:11,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:11,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:11,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:11,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:11,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:11,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:11,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:11,709 INFO L134 CoverageAnalysis]: Checked inductivity of 3907 backedges. 590 proven. 1457 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2020-10-12 16:09:11,710 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [785736145] [2020-10-12 16:09:11,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:09:11,710 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2020-10-12 16:09:11,710 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597597040] [2020-10-12 16:09:11,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 37 states [2020-10-12 16:09:11,711 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:09:11,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2020-10-12 16:09:11,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=599, Invalid=733, Unknown=0, NotChecked=0, Total=1332 [2020-10-12 16:09:11,711 INFO L87 Difference]: Start difference. First operand 264 states and 265 transitions. Second operand 37 states. [2020-10-12 16:09:12,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:09:12,119 INFO L93 Difference]: Finished difference Result 277 states and 279 transitions. [2020-10-12 16:09:12,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-12 16:09:12,120 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 261 [2020-10-12 16:09:12,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:09:12,122 INFO L225 Difference]: With dead ends: 277 [2020-10-12 16:09:12,122 INFO L226 Difference]: Without dead ends: 275 [2020-10-12 16:09:12,123 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 [2020-10-12 16:09:12,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2020-10-12 16:09:12,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 271. [2020-10-12 16:09:12,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2020-10-12 16:09:12,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 272 transitions. [2020-10-12 16:09:12,137 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 272 transitions. Word has length 261 [2020-10-12 16:09:12,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:09:12,137 INFO L479 AbstractCegarLoop]: Abstraction has 271 states and 272 transitions. [2020-10-12 16:09:12,137 INFO L480 AbstractCegarLoop]: Interpolant automaton has 37 states. [2020-10-12 16:09:12,138 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 272 transitions. [2020-10-12 16:09:12,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-10-12 16:09:12,139 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:09:12,139 INFO L422 BasicCegarLoop]: trace histogram [33, 33, 33, 32, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:09:12,140 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable63 [2020-10-12 16:09:12,140 INFO L427 AbstractCegarLoop]: === Iteration 65 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:09:12,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:09:12,140 INFO L82 PathProgramCache]: Analyzing trace with hash 881233041, now seen corresponding path program 63 times [2020-10-12 16:09:12,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:09:12,140 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1526805499] [2020-10-12 16:09:12,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:09:12,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:12,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:14,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:14,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 340 [2020-10-12 16:09:14,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:14,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2790 [2020-10-12 16:09:14,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:14,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 68 [2020-10-12 16:09:14,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:09:14,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 324 [2020-10-12 16:09:14,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:17,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:09:17,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:17,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:17,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:17,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:09:17,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:17,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:17,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:17,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:09:17,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:17,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:09:17,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:17,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 16:09:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:17,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:17,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:17,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:17,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:17,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:17,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:17,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:17,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:17,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:17,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:17,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 16:09:17,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:17,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:17,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:17,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:17,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:17,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:17,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:17,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:17,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:17,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:17,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:17,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 16:09:17,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:17,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:17,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:17,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:17,289 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:17,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:17,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:17,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:17,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:17,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:17,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:17,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 16:09:17,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:17,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:17,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:17,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:17,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:17,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:17,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:17,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:17,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:17,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:17,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:17,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:09:17,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:17,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:17,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:17,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:17,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:17,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:17,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:17,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:17,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:17,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:17,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:17,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 16:09:17,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:17,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:17,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:17,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:17,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:17,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:17,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:17,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:17,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:17,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:17,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:17,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 16:09:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:17,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:17,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:17,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:17,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:17,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:17,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:17,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:17,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:17,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:17,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:17,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 16:09:17,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:17,302 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:17,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:17,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:17,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:17,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:17,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:17,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:17,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:17,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:17,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:17,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-12 16:09:17,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:17,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:17,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:17,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:17,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:17,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:17,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:17,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:17,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:17,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:17,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:17,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-12 16:09:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:17,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:17,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:17,309 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:17,309 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:17,309 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:17,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:17,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:17,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:17,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:17,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:17,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 16:09:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:17,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:17,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:17,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:17,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:17,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:17,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:17,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:17,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:17,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:17,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:17,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 16:09:17,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:17,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:17,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:17,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:17,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:17,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:17,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:17,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:17,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:17,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:17,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:17,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 16:09:17,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:17,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:17,318 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:17,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:17,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:17,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:17,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:17,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:17,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:17,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:17,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:17,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 16:09:17,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:17,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:17,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:17,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:17,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:17,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:17,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:17,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:17,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:17,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:17,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:17,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-12 16:09:17,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:17,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:17,324 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:17,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:17,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:17,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:17,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:17,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:17,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:17,325 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:17,325 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:17,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 16:09:17,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:17,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:17,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:17,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:17,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:17,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:17,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:17,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:17,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:17,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:17,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:17,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-12 16:09:17,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:17,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:17,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:17,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:17,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:17,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:17,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:17,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:17,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:17,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:17,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:17,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-12 16:09:17,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:17,333 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:17,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:17,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:17,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:17,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:17,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:17,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:17,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:17,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:17,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:17,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-12 16:09:17,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:17,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:17,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:17,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:17,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:17,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:17,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:17,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:17,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:17,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:17,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:17,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-12 16:09:17,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:17,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:17,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:17,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:17,342 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:17,342 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:17,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:17,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:17,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:17,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:17,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:17,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-12 16:09:17,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:17,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:17,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:17,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:17,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:17,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:17,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:17,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:17,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:17,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:17,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:17,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-12 16:09:17,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:17,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:17,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:17,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:17,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:17,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:17,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:17,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:17,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:17,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:17,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:17,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-12 16:09:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:17,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:17,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:17,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:17,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:17,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:17,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:17,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:17,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:17,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:17,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:17,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-12 16:09:17,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:17,354 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:17,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:17,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:17,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:17,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:17,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:17,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:17,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:17,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:17,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:17,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-12 16:09:17,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:17,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:17,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:17,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:17,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:17,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:17,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:17,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:17,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:17,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:17,359 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:17,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-12 16:09:17,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:17,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:17,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:17,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:17,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:17,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:17,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:17,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:17,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:17,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:17,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:17,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-12 16:09:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:17,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:17,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:17,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:17,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:17,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:17,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:17,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:17,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:17,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:17,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:17,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-12 16:09:17,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:17,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:17,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:17,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:17,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:17,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:17,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:17,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:17,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:17,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:17,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:17,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-10-12 16:09:17,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:17,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:17,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:17,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:17,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:17,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:17,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:17,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:17,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:17,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:17,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:17,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2020-10-12 16:09:17,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:17,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:17,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:17,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:17,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:17,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:17,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:17,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:17,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:17,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:17,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:17,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-10-12 16:09:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:17,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:17,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:17,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:17,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:17,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:17,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:17,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:17,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:17,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:17,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:17,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-10-12 16:09:17,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:17,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:17,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:17,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:17,384 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:17,384 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:17,384 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:17,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:17,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:17,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:17,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:17,427 INFO L134 CoverageAnalysis]: Checked inductivity of 4128 backedges. 1616 proven. 528 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2020-10-12 16:09:17,427 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1526805499] [2020-10-12 16:09:17,427 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:09:17,427 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [69] total 69 [2020-10-12 16:09:17,427 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770765447] [2020-10-12 16:09:17,428 INFO L459 AbstractCegarLoop]: Interpolant automaton has 69 states [2020-10-12 16:09:17,428 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:09:17,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2020-10-12 16:09:17,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1191, Invalid=3501, Unknown=0, NotChecked=0, Total=4692 [2020-10-12 16:09:17,429 INFO L87 Difference]: Start difference. First operand 271 states and 272 transitions. Second operand 69 states. [2020-10-12 16:09:20,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:09:20,999 INFO L93 Difference]: Finished difference Result 379 states and 413 transitions. [2020-10-12 16:09:21,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2020-10-12 16:09:21,000 INFO L78 Accepts]: Start accepts. Automaton has 69 states. Word has length 268 [2020-10-12 16:09:21,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:09:21,002 INFO L225 Difference]: With dead ends: 379 [2020-10-12 16:09:21,002 INFO L226 Difference]: Without dead ends: 272 [2020-10-12 16:09:21,004 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1616 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=2449, Invalid=8057, Unknown=0, NotChecked=0, Total=10506 [2020-10-12 16:09:21,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 272 states. [2020-10-12 16:09:21,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 272 to 272. [2020-10-12 16:09:21,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-10-12 16:09:21,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 273 transitions. [2020-10-12 16:09:21,019 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 273 transitions. Word has length 268 [2020-10-12 16:09:21,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:09:21,019 INFO L479 AbstractCegarLoop]: Abstraction has 272 states and 273 transitions. [2020-10-12 16:09:21,019 INFO L480 AbstractCegarLoop]: Interpolant automaton has 69 states. [2020-10-12 16:09:21,019 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 273 transitions. [2020-10-12 16:09:21,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2020-10-12 16:09:21,021 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:09:21,021 INFO L422 BasicCegarLoop]: trace histogram [33, 33, 33, 33, 32, 32, 32, 32, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:09:21,021 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64 [2020-10-12 16:09:21,022 INFO L427 AbstractCegarLoop]: === Iteration 66 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:09:21,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:09:21,022 INFO L82 PathProgramCache]: Analyzing trace with hash -1714095272, now seen corresponding path program 64 times [2020-10-12 16:09:21,022 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:09:21,022 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1399451233] [2020-10-12 16:09:21,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:09:21,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:21,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:23,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:23,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 341 [2020-10-12 16:09:23,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:23,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2763 [2020-10-12 16:09:23,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:23,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 69 [2020-10-12 16:09:23,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:09:23,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 330 [2020-10-12 16:09:23,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:24,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:09:24,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:24,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:24,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:24,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:09:24,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:24,704 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:24,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:24,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:09:24,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:24,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:09:24,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:24,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:09:24,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:24,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:24,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:24,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:24,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:24,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:24,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:24,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:24,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:24,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:24,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:24,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 16:09:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:24,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:24,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:24,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:24,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:24,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:24,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:24,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:24,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:24,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:24,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:24,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 16:09:24,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:24,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:24,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:24,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:24,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:24,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:24,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:24,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:24,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:24,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:24,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:24,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-12 16:09:24,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:24,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:24,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:24,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:24,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:24,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:24,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:24,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:24,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:24,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:24,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:24,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 16:09:24,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:24,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:24,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:24,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:24,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:24,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:24,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:24,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:24,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:24,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:24,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:24,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-12 16:09:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:24,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:24,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:24,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:24,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:24,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:24,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:24,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:24,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:24,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:24,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:24,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-12 16:09:24,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:24,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:24,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:24,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:24,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:24,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:24,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:24,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:24,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:24,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:24,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:24,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-12 16:09:24,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:24,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:24,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:24,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:24,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:24,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:24,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:24,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:24,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:24,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:24,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:24,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-12 16:09:24,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:24,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:24,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:24,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:24,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:24,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:24,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:24,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:24,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:24,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:24,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:24,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 16:09:24,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:24,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:24,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:24,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:24,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:24,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:24,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:24,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:24,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:24,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:24,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:24,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-12 16:09:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:24,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:24,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:24,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:24,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:24,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:24,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:24,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:24,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:24,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:24,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:24,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-12 16:09:24,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:24,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:24,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:24,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:24,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:24,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:24,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:24,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:24,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:24,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:24,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:24,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-12 16:09:24,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:24,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:24,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:24,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:24,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:24,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:24,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:24,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:24,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:24,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:24,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:24,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-12 16:09:24,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:24,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:24,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:24,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:24,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:24,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:24,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:24,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:24,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:24,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:24,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:24,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 16:09:24,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:24,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:24,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:24,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:24,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:24,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:24,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:24,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:24,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:24,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:24,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:24,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-12 16:09:24,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:24,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:24,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:24,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:24,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:24,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:24,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:24,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:24,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:24,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:24,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:24,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-12 16:09:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:24,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:24,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:24,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:24,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:24,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:24,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:24,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:24,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:24,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:24,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:24,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-12 16:09:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:24,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:24,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:24,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:24,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:24,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:24,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:24,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:24,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:24,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:24,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:24,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-12 16:09:24,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:24,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:24,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:24,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:24,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:24,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:24,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:24,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:24,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:24,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:24,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:24,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-12 16:09:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:24,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:24,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:24,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:24,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:24,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:24,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:24,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:24,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:24,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:24,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:24,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-12 16:09:24,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:24,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:24,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:24,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:24,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:24,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:24,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:24,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:24,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:24,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:24,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:24,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-10-12 16:09:24,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:24,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:24,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:24,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:24,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:24,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:24,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:24,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:24,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:24,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:24,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:24,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-12 16:09:24,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:24,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:24,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:24,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:24,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:24,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:24,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:24,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:24,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:24,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:24,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:24,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-12 16:09:24,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:24,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:24,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:24,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:24,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:24,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:24,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:24,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:24,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:24,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:24,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:24,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-12 16:09:24,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:24,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:24,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:24,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:24,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:24,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:24,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:24,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:24,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:24,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:24,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:24,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-10-12 16:09:24,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:24,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:24,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:24,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:24,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:24,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:24,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:24,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:24,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:24,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:24,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:24,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-10-12 16:09:24,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:24,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:24,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:24,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:24,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:24,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:24,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:24,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:24,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:24,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:24,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:24,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-10-12 16:09:24,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:24,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:24,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:24,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:24,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:24,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:24,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:24,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:24,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:24,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:24,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:24,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-10-12 16:09:24,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:24,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:24,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:24,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:24,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:24,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:24,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:24,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:24,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:24,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:24,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:24,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-10-12 16:09:24,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:24,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:24,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:24,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:24,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:24,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:24,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:24,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:24,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:24,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:24,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:24,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-10-12 16:09:24,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:24,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:24,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:24,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:24,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:24,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:24,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:24,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:24,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:24,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:24,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:24,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-10-12 16:09:24,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:24,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:24,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:24,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:24,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:24,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:24,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:24,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:24,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:24,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:24,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:24,838 INFO L134 CoverageAnalysis]: Checked inductivity of 4161 backedges. 625 proven. 1552 refuted. 0 times theorem prover too weak. 1984 trivial. 0 not checked. [2020-10-12 16:09:24,838 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1399451233] [2020-10-12 16:09:24,838 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:09:24,838 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2020-10-12 16:09:24,838 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305974191] [2020-10-12 16:09:24,839 INFO L459 AbstractCegarLoop]: Interpolant automaton has 38 states [2020-10-12 16:09:24,839 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:09:24,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2020-10-12 16:09:24,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=634, Invalid=772, Unknown=0, NotChecked=0, Total=1406 [2020-10-12 16:09:24,839 INFO L87 Difference]: Start difference. First operand 272 states and 273 transitions. Second operand 38 states. [2020-10-12 16:09:25,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:09:25,223 INFO L93 Difference]: Finished difference Result 285 states and 287 transitions. [2020-10-12 16:09:25,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-12 16:09:25,224 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 269 [2020-10-12 16:09:25,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:09:25,226 INFO L225 Difference]: With dead ends: 285 [2020-10-12 16:09:25,226 INFO L226 Difference]: Without dead ends: 283 [2020-10-12 16:09:25,226 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 [2020-10-12 16:09:25,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2020-10-12 16:09:25,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 279. [2020-10-12 16:09:25,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2020-10-12 16:09:25,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 280 transitions. [2020-10-12 16:09:25,239 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 280 transitions. Word has length 269 [2020-10-12 16:09:25,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:09:25,239 INFO L479 AbstractCegarLoop]: Abstraction has 279 states and 280 transitions. [2020-10-12 16:09:25,239 INFO L480 AbstractCegarLoop]: Interpolant automaton has 38 states. [2020-10-12 16:09:25,239 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 280 transitions. [2020-10-12 16:09:25,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2020-10-12 16:09:25,241 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:09:25,241 INFO L422 BasicCegarLoop]: trace histogram [34, 34, 34, 33, 33, 33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:09:25,241 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable65 [2020-10-12 16:09:25,242 INFO L427 AbstractCegarLoop]: === Iteration 67 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:09:25,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:09:25,242 INFO L82 PathProgramCache]: Analyzing trace with hash -545720270, now seen corresponding path program 65 times [2020-10-12 16:09:25,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:09:25,242 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1315259077] [2020-10-12 16:09:25,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:09:25,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:25,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:28,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:28,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 350 [2020-10-12 16:09:28,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:28,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3026 [2020-10-12 16:09:28,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:28,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 70 [2020-10-12 16:09:28,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:09:28,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 334 [2020-10-12 16:09:28,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:30,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:09:30,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:30,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:30,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:30,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:09:30,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:30,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:30,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:30,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:09:30,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:30,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:09:30,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:30,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:09:30,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:30,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:30,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:30,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:30,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:30,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:30,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:30,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:30,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:30,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:30,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:30,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 16:09:30,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:30,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:30,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:30,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:30,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:30,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:30,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:30,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:30,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:30,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:30,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:30,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 16:09:30,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:30,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:30,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:30,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:30,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:30,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:30,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:30,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:30,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:30,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:30,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:30,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-12 16:09:30,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:30,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:30,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:30,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:30,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:30,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:30,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:30,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:30,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:30,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:30,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:30,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 16:09:30,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:30,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:30,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:30,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:30,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:30,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:30,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:30,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:30,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:30,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:30,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:30,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-12 16:09:30,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:30,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:30,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:30,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:30,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:30,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:30,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:30,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:30,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:30,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:30,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:30,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-12 16:09:30,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:30,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:30,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:30,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:30,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:30,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:30,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:30,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:30,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:30,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:30,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:30,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-12 16:09:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:30,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:30,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:30,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:30,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:30,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:30,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:30,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:30,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:30,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:30,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:30,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-12 16:09:30,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:30,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:30,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:30,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:30,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:30,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:30,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:30,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:30,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:30,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:30,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:30,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 16:09:30,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:30,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:30,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:30,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:30,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:30,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:30,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:30,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:30,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:30,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:30,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:30,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-12 16:09:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:30,855 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:30,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:30,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:30,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:30,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:30,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:30,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:30,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:30,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:30,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:30,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-12 16:09:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:30,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:30,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:30,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:30,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:30,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:30,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:30,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:30,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:30,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:30,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:30,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-12 16:09:30,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:30,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:30,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:30,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:30,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:30,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:30,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:30,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:30,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:30,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:30,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:30,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-12 16:09:30,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:30,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:30,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:30,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:30,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:30,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:30,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:30,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:30,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:30,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:30,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:30,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 16:09:30,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:30,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:30,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:30,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:30,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:30,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:30,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:30,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:30,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:30,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:30,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:30,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-12 16:09:30,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:30,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:30,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:30,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:30,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:30,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:30,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:30,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:30,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:30,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:30,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:30,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-12 16:09:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:30,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:30,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:30,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:30,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:30,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:30,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:30,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:30,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:30,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:30,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:30,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-12 16:09:30,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:30,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:30,884 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:30,884 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:30,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:30,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:30,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:30,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:30,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:30,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:30,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:30,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-12 16:09:30,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:30,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:30,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:30,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:30,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:30,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:30,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:30,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:30,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:30,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:30,890 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:30,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-12 16:09:30,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:30,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:30,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:30,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:30,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:30,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:30,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:30,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:30,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:30,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:30,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:30,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-12 16:09:30,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:30,896 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:30,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:30,897 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:30,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:30,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:30,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:30,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:30,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:30,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:30,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:30,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-10-12 16:09:30,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:30,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:30,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:30,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:30,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:30,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:30,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:30,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:30,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:30,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:30,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:30,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-12 16:09:30,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:30,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:30,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:30,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:30,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:30,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:30,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:30,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:30,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:30,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:30,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:30,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 202 [2020-10-12 16:09:30,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:30,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:30,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:30,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:30,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:30,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:30,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:30,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:30,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:30,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:30,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:30,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-12 16:09:30,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:30,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:30,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:30,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:30,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:30,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:30,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:30,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:30,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:30,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:30,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:30,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-10-12 16:09:30,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:30,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:30,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:30,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:30,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:30,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:30,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:30,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:30,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:30,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:30,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:30,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-10-12 16:09:30,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:30,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:30,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:30,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:30,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:30,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:30,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:30,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:30,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:30,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:30,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:30,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 230 [2020-10-12 16:09:30,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:30,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:30,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:30,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:30,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:30,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:09:30,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:30,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:30,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:30,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:30,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:30,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-10-12 16:09:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:30,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:30,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:30,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:30,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:30,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:30,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:30,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:30,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:30,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:30,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:30,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-10-12 16:09:30,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:30,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:30,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:30,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:30,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:30,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:30,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:30,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:30,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:30,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:30,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:30,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2020-10-12 16:09:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:30,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:30,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:30,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:30,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:30,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:30,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:30,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:30,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:30,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:30,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:30,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-10-12 16:09:30,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:30,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:30,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:30,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:30,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:30,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:30,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:30,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:30,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:30,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:30,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:30,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2020-10-12 16:09:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:30,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:30,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:30,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:30,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:30,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:30,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:30,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:30,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:30,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:30,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:31,009 INFO L134 CoverageAnalysis]: Checked inductivity of 4389 backedges. 1716 proven. 561 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2020-10-12 16:09:31,009 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1315259077] [2020-10-12 16:09:31,009 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:09:31,009 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [71] total 71 [2020-10-12 16:09:31,009 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535043149] [2020-10-12 16:09:31,010 INFO L459 AbstractCegarLoop]: Interpolant automaton has 71 states [2020-10-12 16:09:31,010 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:09:31,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2020-10-12 16:09:31,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1261, Invalid=3709, Unknown=0, NotChecked=0, Total=4970 [2020-10-12 16:09:31,011 INFO L87 Difference]: Start difference. First operand 279 states and 280 transitions. Second operand 71 states. [2020-10-12 16:09:33,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:09:33,861 INFO L93 Difference]: Finished difference Result 390 states and 425 transitions. [2020-10-12 16:09:33,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2020-10-12 16:09:33,862 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 276 [2020-10-12 16:09:33,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:09:33,863 INFO L225 Difference]: With dead ends: 390 [2020-10-12 16:09:33,863 INFO L226 Difference]: Without dead ends: 280 [2020-10-12 16:09:33,865 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1716 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=2591, Invalid=8539, Unknown=0, NotChecked=0, Total=11130 [2020-10-12 16:09:33,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2020-10-12 16:09:33,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 280. [2020-10-12 16:09:33,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-10-12 16:09:33,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 281 transitions. [2020-10-12 16:09:33,880 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 281 transitions. Word has length 276 [2020-10-12 16:09:33,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:09:33,881 INFO L479 AbstractCegarLoop]: Abstraction has 280 states and 281 transitions. [2020-10-12 16:09:33,881 INFO L480 AbstractCegarLoop]: Interpolant automaton has 71 states. [2020-10-12 16:09:33,881 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 281 transitions. [2020-10-12 16:09:33,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2020-10-12 16:09:33,882 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:09:33,883 INFO L422 BasicCegarLoop]: trace histogram [34, 34, 34, 34, 33, 33, 33, 33, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:09:33,883 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66 [2020-10-12 16:09:33,883 INFO L427 AbstractCegarLoop]: === Iteration 68 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:09:33,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:09:33,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1079267335, now seen corresponding path program 66 times [2020-10-12 16:09:33,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:09:33,884 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1239733432] [2020-10-12 16:09:33,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:09:33,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:33,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:36,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:36,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 351 [2020-10-12 16:09:36,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:36,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3056 [2020-10-12 16:09:36,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:36,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 71 [2020-10-12 16:09:36,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:09:36,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 340 [2020-10-12 16:09:36,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:37,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:09:37,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:37,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:37,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:37,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:09:37,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:37,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:37,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:37,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:09:37,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:37,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:09:37,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:37,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 16:09:37,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:37,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:37,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:37,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:37,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:37,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:37,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:37,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:37,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:37,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:37,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:37,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 16:09:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:37,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:37,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:37,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:37,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:37,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:37,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:37,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:37,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:37,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:37,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:37,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 16:09:37,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:37,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:37,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:37,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:37,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:37,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:37,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:37,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:37,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:37,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:37,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:37,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-12 16:09:37,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:37,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:37,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:37,928 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:37,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:37,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:37,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:37,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:37,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:37,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:37,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:37,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-12 16:09:37,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:37,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:37,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:37,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:37,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:37,931 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:37,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:37,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:37,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:37,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:37,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:37,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:09:37,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:37,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:37,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:37,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:37,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:37,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:37,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:37,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:37,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:37,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:37,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:37,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-12 16:09:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:37,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:37,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:37,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:37,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:37,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:37,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:37,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:37,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:37,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:37,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:37,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 16:09:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:37,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:37,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:37,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:37,939 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:37,939 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:37,939 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:37,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:37,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:37,940 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:37,940 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:37,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-12 16:09:37,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:37,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:37,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:37,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:37,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:37,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:37,942 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:37,942 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:37,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:37,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:37,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:37,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 16:09:37,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:37,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:37,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:37,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:37,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:37,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:37,945 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:37,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:37,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:37,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:37,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:37,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-12 16:09:37,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:37,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:37,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:37,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:37,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:37,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:37,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:37,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:37,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:37,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:37,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:37,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-12 16:09:37,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:37,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:37,951 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:37,951 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:37,951 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:37,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:37,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:37,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:37,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:37,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:37,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:37,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-12 16:09:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:37,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:37,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:37,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:37,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:37,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:37,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:37,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:37,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:37,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:37,955 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:37,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-12 16:09:37,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:37,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:37,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:37,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:37,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:37,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:37,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:37,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:37,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:37,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:37,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:37,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 16:09:37,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:37,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:37,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:37,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:37,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:37,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:37,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:37,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:37,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:37,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:37,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:37,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-12 16:09:37,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:37,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:37,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:37,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:37,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:37,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:37,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:37,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:37,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:37,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:37,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:37,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-12 16:09:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:37,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:37,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:37,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:37,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:37,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:37,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:37,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:37,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:37,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:37,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:37,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-12 16:09:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:37,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:37,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:37,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:37,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:37,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:37,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:37,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:37,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:37,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:37,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:37,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-12 16:09:37,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:37,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:37,973 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:37,973 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:37,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:37,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:37,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:37,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:37,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:37,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:37,974 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:37,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-12 16:09:37,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:37,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:37,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:37,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:37,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:37,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:37,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:37,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:37,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:37,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:37,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:37,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-12 16:09:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:37,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:37,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:37,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:37,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:37,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:37,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:37,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:37,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:37,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:37,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:37,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-12 16:09:37,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:37,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:37,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:37,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:37,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:37,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:37,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:37,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:37,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:37,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:37,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:37,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-10-12 16:09:37,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:37,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:37,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:37,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:37,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:37,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:37,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:37,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:37,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:37,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:37,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:37,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-12 16:09:37,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:37,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:37,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:37,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:37,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:37,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:37,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:37,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:37,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:37,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:37,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:37,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-12 16:09:37,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:37,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:37,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:37,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:37,993 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:37,993 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:37,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:37,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:37,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:37,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:37,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:37,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-10-12 16:09:37,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:37,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:37,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:37,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:37,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:37,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:37,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:38,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:38,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:38,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:38,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:38,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-10-12 16:09:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:38,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:38,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:38,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:38,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:38,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:38,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:38,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:38,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:38,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:38,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:38,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-12 16:09:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:38,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:38,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:38,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:38,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:38,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:38,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:38,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:38,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:38,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:38,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:38,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2020-10-12 16:09:38,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:38,009 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:38,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:38,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:38,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:38,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:38,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:38,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:38,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:38,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:38,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:38,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-10-12 16:09:38,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:38,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:38,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:38,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:38,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:38,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:38,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:38,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:38,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:38,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:38,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:38,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2020-10-12 16:09:38,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:38,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:38,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:38,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:38,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:38,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:38,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:38,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:38,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:38,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:38,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:38,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2020-10-12 16:09:38,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:38,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:38,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:38,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:38,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:38,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:38,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:38,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:38,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:38,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:38,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:38,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-10-12 16:09:38,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:38,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:38,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:38,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:38,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:38,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:38,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:38,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:38,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:38,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:38,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:38,060 INFO L134 CoverageAnalysis]: Checked inductivity of 4423 backedges. 661 proven. 1650 refuted. 0 times theorem prover too weak. 2112 trivial. 0 not checked. [2020-10-12 16:09:38,061 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1239733432] [2020-10-12 16:09:38,061 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:09:38,061 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2020-10-12 16:09:38,061 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581024658] [2020-10-12 16:09:38,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 39 states [2020-10-12 16:09:38,062 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:09:38,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2020-10-12 16:09:38,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=670, Invalid=812, Unknown=0, NotChecked=0, Total=1482 [2020-10-12 16:09:38,062 INFO L87 Difference]: Start difference. First operand 280 states and 281 transitions. Second operand 39 states. [2020-10-12 16:09:38,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:09:38,499 INFO L93 Difference]: Finished difference Result 293 states and 295 transitions. [2020-10-12 16:09:38,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-12 16:09:38,500 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 277 [2020-10-12 16:09:38,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:09:38,502 INFO L225 Difference]: With dead ends: 293 [2020-10-12 16:09:38,502 INFO L226 Difference]: Without dead ends: 291 [2020-10-12 16:09:38,502 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 [2020-10-12 16:09:38,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2020-10-12 16:09:38,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 287. [2020-10-12 16:09:38,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2020-10-12 16:09:38,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 288 transitions. [2020-10-12 16:09:38,516 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 288 transitions. Word has length 277 [2020-10-12 16:09:38,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:09:38,517 INFO L479 AbstractCegarLoop]: Abstraction has 287 states and 288 transitions. [2020-10-12 16:09:38,517 INFO L480 AbstractCegarLoop]: Interpolant automaton has 39 states. [2020-10-12 16:09:38,517 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 288 transitions. [2020-10-12 16:09:38,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-10-12 16:09:38,518 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:09:38,519 INFO L422 BasicCegarLoop]: trace histogram [35, 35, 35, 34, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:09:38,519 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable67 [2020-10-12 16:09:38,519 INFO L427 AbstractCegarLoop]: === Iteration 69 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:09:38,519 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:09:38,519 INFO L82 PathProgramCache]: Analyzing trace with hash 1158478961, now seen corresponding path program 67 times [2020-10-12 16:09:38,519 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:09:38,520 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1957864592] [2020-10-12 16:09:38,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:09:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:38,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:41,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:41,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 360 [2020-10-12 16:09:41,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:41,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3341 [2020-10-12 16:09:41,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:41,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 72 [2020-10-12 16:09:41,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:09:41,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 344 [2020-10-12 16:09:41,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:44,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:09:44,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:44,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:44,609 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:44,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:09:44,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:44,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:44,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:44,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:09:44,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:44,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:09:44,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:44,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 16:09:44,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:44,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:44,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:44,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:44,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:44,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:44,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:44,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:44,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:44,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:44,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:44,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 16:09:44,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:44,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:44,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:44,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:44,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:44,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:44,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:44,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:44,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:44,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:44,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:44,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 16:09:44,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:44,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:44,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:44,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:44,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:44,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:44,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:44,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:44,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:44,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:44,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:44,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-12 16:09:44,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:44,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:44,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:44,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:44,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:44,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:44,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:44,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:44,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:44,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:44,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:44,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-12 16:09:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:44,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:44,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:44,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:44,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:44,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:44,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:44,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:44,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:44,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:44,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:44,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:09:44,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:44,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:44,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:44,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:44,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:44,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:44,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:44,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:44,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:44,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:44,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:44,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-12 16:09:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:44,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:44,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:44,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:44,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:44,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:44,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:44,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:44,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:44,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:44,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:44,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 16:09:44,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:44,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:44,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:44,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:44,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:44,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:44,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:44,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:44,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:44,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:44,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:44,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-12 16:09:44,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:44,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:44,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:44,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:44,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:44,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:44,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:44,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:44,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:44,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:44,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:44,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 16:09:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:44,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:44,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:44,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:44,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:44,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:44,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:44,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:44,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:44,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:44,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:44,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-12 16:09:44,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:44,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:44,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:44,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:44,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:44,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:44,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:44,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:44,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:44,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:44,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:44,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-12 16:09:44,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:44,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:44,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:44,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:44,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:44,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:44,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:44,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:44,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:44,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:44,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:44,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-12 16:09:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:44,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:44,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:44,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:44,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:44,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:44,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:44,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:44,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:44,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:44,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:44,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-12 16:09:44,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:44,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:44,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:44,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:44,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:44,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:44,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:44,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:44,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:44,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:44,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:44,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 16:09:44,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:44,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:44,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:44,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:44,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:44,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:44,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:44,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:44,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:44,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:44,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:44,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-12 16:09:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:44,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:44,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:44,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:44,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:44,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:44,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:44,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:44,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:44,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:44,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:44,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-12 16:09:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:44,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:44,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:44,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:44,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:44,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:44,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:44,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:44,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:44,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:44,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:44,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-12 16:09:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:44,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:44,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:44,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:44,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:44,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:44,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:44,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:44,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:44,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:44,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:44,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-12 16:09:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:44,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:44,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:44,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:44,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:44,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:44,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:44,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:44,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:44,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:44,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:44,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-12 16:09:44,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:44,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:44,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:44,677 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:44,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:44,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:44,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:44,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:44,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:44,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:44,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:44,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-12 16:09:44,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:44,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:44,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:44,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:44,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:44,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:44,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:44,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:44,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:44,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:44,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:44,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-12 16:09:44,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:44,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:44,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:44,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:44,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:44,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:44,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:44,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:44,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:44,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:44,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:44,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-10-12 16:09:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:44,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:44,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:44,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:44,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:44,688 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:44,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:44,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:44,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:44,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:44,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:44,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-12 16:09:44,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:44,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:44,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:44,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:44,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:44,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:44,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:44,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:44,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:44,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:44,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:44,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2020-10-12 16:09:44,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:44,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:44,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:44,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:44,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:44,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:44,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:44,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:44,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:44,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:44,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:44,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-10-12 16:09:44,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:44,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:44,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:44,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:44,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:44,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:44,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:44,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:44,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:44,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:44,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:44,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-10-12 16:09:44,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:44,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:44,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:44,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:44,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:44,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:44,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:44,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:44,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:44,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:44,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:44,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-10-12 16:09:44,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:44,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:44,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:44,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:44,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:44,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:44,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:44,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:44,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:44,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:44,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:44,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2020-10-12 16:09:44,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:44,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:44,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:44,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:44,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:44,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:44,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:44,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:44,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:44,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:44,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:44,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-10-12 16:09:44,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:44,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:44,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:44,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:44,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:44,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:44,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:44,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:44,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:44,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:44,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:44,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2020-10-12 16:09:44,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:44,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:44,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:44,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:44,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:44,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:44,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:44,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:44,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:44,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:44,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:44,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2020-10-12 16:09:44,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:44,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:44,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:44,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:44,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:44,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:44,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:44,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:44,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:44,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:44,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:44,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-10-12 16:09:44,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:44,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:44,739 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:44,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:44,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:44,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:09:44,740 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:44,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:44,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:44,740 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:44,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:44,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2020-10-12 16:09:44,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:44,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:44,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:44,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:44,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:44,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:44,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:44,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:44,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:44,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:44,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:44,825 INFO L134 CoverageAnalysis]: Checked inductivity of 4658 backedges. 1819 proven. 595 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2020-10-12 16:09:44,825 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1957864592] [2020-10-12 16:09:44,825 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:09:44,826 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [73] total 73 [2020-10-12 16:09:44,826 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122958411] [2020-10-12 16:09:44,826 INFO L459 AbstractCegarLoop]: Interpolant automaton has 73 states [2020-10-12 16:09:44,826 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:09:44,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2020-10-12 16:09:44,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1333, Invalid=3923, Unknown=0, NotChecked=0, Total=5256 [2020-10-12 16:09:44,828 INFO L87 Difference]: Start difference. First operand 287 states and 288 transitions. Second operand 73 states. [2020-10-12 16:09:49,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:09:49,252 INFO L93 Difference]: Finished difference Result 401 states and 437 transitions. [2020-10-12 16:09:49,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2020-10-12 16:09:49,253 INFO L78 Accepts]: Start accepts. Automaton has 73 states. Word has length 284 [2020-10-12 16:09:49,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:09:49,255 INFO L225 Difference]: With dead ends: 401 [2020-10-12 16:09:49,255 INFO L226 Difference]: Without dead ends: 288 [2020-10-12 16:09:49,257 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1819 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=2737, Invalid=9035, Unknown=0, NotChecked=0, Total=11772 [2020-10-12 16:09:49,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2020-10-12 16:09:49,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 288. [2020-10-12 16:09:49,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 288 states. [2020-10-12 16:09:49,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 289 transitions. [2020-10-12 16:09:49,273 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 289 transitions. Word has length 284 [2020-10-12 16:09:49,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:09:49,273 INFO L479 AbstractCegarLoop]: Abstraction has 288 states and 289 transitions. [2020-10-12 16:09:49,273 INFO L480 AbstractCegarLoop]: Interpolant automaton has 73 states. [2020-10-12 16:09:49,273 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 289 transitions. [2020-10-12 16:09:49,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2020-10-12 16:09:49,275 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:09:49,275 INFO L422 BasicCegarLoop]: trace histogram [35, 35, 35, 35, 34, 34, 34, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:09:49,275 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable68 [2020-10-12 16:09:49,275 INFO L427 AbstractCegarLoop]: === Iteration 70 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:09:49,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:09:49,276 INFO L82 PathProgramCache]: Analyzing trace with hash -3474120, now seen corresponding path program 68 times [2020-10-12 16:09:49,276 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:09:49,276 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1628040801] [2020-10-12 16:09:49,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:09:49,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:49,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:52,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:52,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 361 [2020-10-12 16:09:52,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:52,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3244 [2020-10-12 16:09:52,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:52,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 73 [2020-10-12 16:09:52,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:09:52,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 350 [2020-10-12 16:09:52,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:53,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:09:53,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:53,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:53,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:53,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:09:53,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:53,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:53,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:53,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:09:53,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:53,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:09:53,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:53,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 16:09:53,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:53,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:53,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:53,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:53,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:53,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:53,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:53,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:53,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:53,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:53,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:53,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:09:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:53,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:53,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:53,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:53,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:53,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:53,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:53,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:53,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:53,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:53,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:53,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 16:09:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:53,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:53,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:53,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:53,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:53,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:53,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:53,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:53,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:53,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:53,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:53,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 16:09:53,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:53,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:53,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:53,607 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:53,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:53,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:53,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:53,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:53,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:53,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:53,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:53,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 16:09:53,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:53,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:53,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:53,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:53,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:53,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:53,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:53,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:53,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:53,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:53,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:53,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 16:09:53,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:53,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:53,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:53,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:53,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:53,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:53,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:53,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:53,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:53,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:53,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:53,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 16:09:53,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:53,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:53,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:53,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:53,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:53,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:53,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:53,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:53,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:53,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:53,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:53,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 16:09:53,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:53,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:53,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:53,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:53,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:53,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:53,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:53,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:53,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:53,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:53,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:53,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 16:09:53,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:53,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:53,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:53,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:53,622 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:53,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:53,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:53,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:53,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:53,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:53,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:53,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 16:09:53,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:53,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:53,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:53,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:53,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:53,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:53,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:53,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:53,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:53,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:53,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:53,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 16:09:53,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:53,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:53,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:53,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:53,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:53,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:53,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:53,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:53,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:53,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:53,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:53,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 16:09:53,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:53,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:53,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:53,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:53,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:53,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:53,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:53,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:53,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:53,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:53,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:53,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-12 16:09:53,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:53,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:53,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:53,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:53,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:53,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:53,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:53,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:53,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:53,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:53,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:53,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 16:09:53,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:53,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:53,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:53,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:53,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:53,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:53,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:53,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:53,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:53,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:53,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:53,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-12 16:09:53,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:53,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:53,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:53,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:53,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:53,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:53,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:53,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:53,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:53,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:53,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:53,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-12 16:09:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:53,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:53,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:53,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:53,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:53,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:53,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:53,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:53,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:53,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:53,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:53,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 16:09:53,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:53,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:53,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:53,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:53,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:53,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:53,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:53,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:53,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:53,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:53,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:53,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-12 16:09:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:53,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:53,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:53,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:53,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:53,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:53,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:53,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:53,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:53,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:53,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:53,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-12 16:09:53,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:53,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:53,653 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:53,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:53,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:53,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:53,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:53,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:53,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:53,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:53,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:53,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-12 16:09:53,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:53,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:53,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:53,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:53,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:53,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:53,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:53,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:53,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:53,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:53,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:53,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-10-12 16:09:53,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:53,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:53,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:53,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:53,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:53,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:53,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:53,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:53,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:53,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:53,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:53,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-12 16:09:53,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:53,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:53,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:53,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:53,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:53,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:53,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:53,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:53,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:53,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:53,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:53,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-12 16:09:53,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:53,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:53,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:53,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:53,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:53,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:53,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:53,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:53,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:53,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:53,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:53,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-12 16:09:53,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:53,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:53,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:53,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:53,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:53,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:53,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:53,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:53,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:53,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:53,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:53,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-10-12 16:09:53,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:53,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:53,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:53,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:53,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:53,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:53,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:53,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:53,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:53,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:53,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:53,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-10-12 16:09:53,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:53,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:53,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:53,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:53,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:53,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:53,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:53,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:53,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:53,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:53,681 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:53,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-10-12 16:09:53,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:53,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:53,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:53,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:53,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:53,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:53,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:53,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:53,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:53,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:53,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:53,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-10-12 16:09:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:53,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:53,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:53,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:53,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:53,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:53,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:53,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:53,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:53,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:53,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:53,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-10-12 16:09:53,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:53,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:53,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:53,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:53,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:53,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:53,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:53,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:53,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:53,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:53,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:53,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-10-12 16:09:53,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:53,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:53,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:53,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:53,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:53,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:53,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:53,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:53,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:53,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:53,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:53,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-10-12 16:09:53,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:53,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:53,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:53,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:53,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:53,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:53,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:53,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:53,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:53,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:53,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:53,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2020-10-12 16:09:53,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:53,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:53,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:53,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:53,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:53,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:53,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:53,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:53,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:53,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:53,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:53,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-10-12 16:09:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:53,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:53,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:53,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:53,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:53,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:53,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:53,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:53,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:53,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:53,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:53,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2020-10-12 16:09:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:53,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:53,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:53,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:53,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:53,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:53,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:53,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:53,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:53,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:53,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:53,761 INFO L134 CoverageAnalysis]: Checked inductivity of 4693 backedges. 698 proven. 1751 refuted. 0 times theorem prover too weak. 2244 trivial. 0 not checked. [2020-10-12 16:09:53,762 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1628040801] [2020-10-12 16:09:53,762 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:09:53,762 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2020-10-12 16:09:53,762 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428247279] [2020-10-12 16:09:53,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 40 states [2020-10-12 16:09:53,762 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:09:53,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2020-10-12 16:09:53,763 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=707, Invalid=853, Unknown=0, NotChecked=0, Total=1560 [2020-10-12 16:09:53,763 INFO L87 Difference]: Start difference. First operand 288 states and 289 transitions. Second operand 40 states. [2020-10-12 16:09:54,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:09:54,260 INFO L93 Difference]: Finished difference Result 301 states and 303 transitions. [2020-10-12 16:09:54,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-12 16:09:54,261 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 285 [2020-10-12 16:09:54,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:09:54,263 INFO L225 Difference]: With dead ends: 301 [2020-10-12 16:09:54,263 INFO L226 Difference]: Without dead ends: 299 [2020-10-12 16:09:54,264 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 [2020-10-12 16:09:54,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2020-10-12 16:09:54,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 295. [2020-10-12 16:09:54,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2020-10-12 16:09:54,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 296 transitions. [2020-10-12 16:09:54,279 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 296 transitions. Word has length 285 [2020-10-12 16:09:54,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:09:54,280 INFO L479 AbstractCegarLoop]: Abstraction has 295 states and 296 transitions. [2020-10-12 16:09:54,280 INFO L480 AbstractCegarLoop]: Interpolant automaton has 40 states. [2020-10-12 16:09:54,280 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 296 transitions. [2020-10-12 16:09:54,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2020-10-12 16:09:54,282 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:09:54,282 INFO L422 BasicCegarLoop]: trace histogram [36, 36, 36, 35, 35, 35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:09:54,282 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable69 [2020-10-12 16:09:54,282 INFO L427 AbstractCegarLoop]: === Iteration 71 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:09:54,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:09:54,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1091102126, now seen corresponding path program 69 times [2020-10-12 16:09:54,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:09:54,283 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [674833912] [2020-10-12 16:09:54,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:09:54,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:54,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:57,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:57,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 370 [2020-10-12 16:09:57,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:57,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3433 [2020-10-12 16:09:57,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:57,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 74 [2020-10-12 16:09:57,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:09:57,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 354 [2020-10-12 16:09:57,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:00,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:10:00,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:00,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:00,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:00,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:10:00,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:00,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:10:00,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:00,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:10:00,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:00,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:10:00,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:10:00,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 16:10:00,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:00,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:00,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:00,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:00,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:00,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:00,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:00,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:00,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:00,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:00,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:00,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:10:00,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:00,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:00,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:00,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:00,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:00,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:00,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:00,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:00,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:00,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:00,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:00,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 16:10:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:00,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:00,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:00,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:00,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:00,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:00,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:00,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:00,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:00,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:00,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:00,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 16:10:00,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:00,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:00,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:00,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:00,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:00,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:00,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:00,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:00,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:00,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:00,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:00,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 16:10:00,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:00,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:00,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:00,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:00,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:00,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:00,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:00,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:00,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:00,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:00,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:00,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 16:10:00,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:00,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:00,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:00,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:00,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:00,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:00,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:00,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:00,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:00,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:00,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:00,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 16:10:00,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:00,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:00,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:00,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:00,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:00,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:00,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:00,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:00,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:00,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:00,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:00,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 16:10:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:00,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:00,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:00,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:00,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:00,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:00,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:00,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:00,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:00,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:00,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:00,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 16:10:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:00,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:00,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:00,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:00,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:00,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:00,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:00,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:00,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:00,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:00,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:00,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 16:10:00,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:00,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:00,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:00,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:00,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:00,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:00,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:00,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:00,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:00,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:00,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:00,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 16:10:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:00,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:00,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:00,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:00,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:00,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:00,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:00,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:00,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:00,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:00,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:00,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 16:10:00,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:00,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:00,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:00,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:00,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:00,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:00,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:00,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:00,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:00,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:00,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:00,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-12 16:10:00,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:00,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:00,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:00,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:00,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:00,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:00,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:00,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:00,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:00,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:00,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:00,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 16:10:00,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:00,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:00,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:00,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:00,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:00,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:00,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:00,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:00,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:00,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:00,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:00,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-12 16:10:00,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:00,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:00,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:00,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:00,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:00,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:00,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:00,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:00,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:00,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:00,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:00,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-12 16:10:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:00,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:00,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:00,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:00,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:00,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:00,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:00,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:00,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:00,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:00,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:00,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 16:10:00,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:00,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:00,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:00,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:00,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:00,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:00,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:00,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:00,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:00,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:00,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:00,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-12 16:10:00,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:00,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:00,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:00,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:00,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:00,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:00,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:00,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:00,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:00,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:00,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:00,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-12 16:10:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:00,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:00,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:00,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:00,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:00,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:00,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:00,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:00,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:00,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:00,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:00,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-12 16:10:00,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:00,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:00,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:00,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:00,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:00,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:00,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:00,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:00,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:00,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:00,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:00,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-10-12 16:10:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:00,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:00,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:00,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:00,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:00,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:00,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:00,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:00,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:00,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:00,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:00,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-12 16:10:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:00,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:00,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:00,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:00,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:00,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:00,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:00,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:00,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:00,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:00,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:00,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-12 16:10:00,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:00,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:00,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:00,766 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:00,766 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:00,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:00,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:00,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:00,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:00,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:00,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:00,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-12 16:10:00,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:00,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:00,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:00,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:00,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:00,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:00,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:00,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:00,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:00,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:00,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:00,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-10-12 16:10:00,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:00,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:00,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:00,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:00,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:00,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:00,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:00,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:00,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:00,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:00,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:00,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 218 [2020-10-12 16:10:00,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:00,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:00,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:00,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:00,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:00,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:00,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:00,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:00,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:00,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:00,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:00,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-10-12 16:10:00,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:00,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:00,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:00,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:00,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:00,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:00,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:00,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:00,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:00,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:00,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:00,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-10-12 16:10:00,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:00,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:00,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:00,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:00,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:00,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:00,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:00,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:00,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:00,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:00,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:00,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 239 [2020-10-12 16:10:00,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:00,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:00,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:00,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:00,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:00,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:00,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:00,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:00,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:00,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:00,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:00,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-10-12 16:10:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:00,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:00,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:00,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:00,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:00,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:00,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:00,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:00,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:00,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:00,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:00,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-10-12 16:10:00,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:00,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:00,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:00,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:00,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:00,798 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:00,798 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:00,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:00,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:00,798 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:00,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:00,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2020-10-12 16:10:00,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:00,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:00,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:00,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:00,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:00,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:00,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:00,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:00,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:00,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:00,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:00,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-10-12 16:10:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:00,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:00,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:00,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:00,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:00,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:00,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:00,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:00,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:00,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:00,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:00,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 274 [2020-10-12 16:10:00,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:00,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:00,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:00,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:00,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:00,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:00,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:00,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:00,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:00,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:00,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:00,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2020-10-12 16:10:00,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:00,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:00,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:00,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:00,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:00,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:00,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:00,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:00,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:00,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:00,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:00,865 INFO L134 CoverageAnalysis]: Checked inductivity of 4935 backedges. 1925 proven. 630 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2020-10-12 16:10:00,866 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [674833912] [2020-10-12 16:10:00,866 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:10:00,866 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [75] total 75 [2020-10-12 16:10:00,866 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500190927] [2020-10-12 16:10:00,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 75 states [2020-10-12 16:10:00,866 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:10:00,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2020-10-12 16:10:00,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1407, Invalid=4143, Unknown=0, NotChecked=0, Total=5550 [2020-10-12 16:10:00,867 INFO L87 Difference]: Start difference. First operand 295 states and 296 transitions. Second operand 75 states. [2020-10-12 16:10:05,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:10:05,179 INFO L93 Difference]: Finished difference Result 412 states and 449 transitions. [2020-10-12 16:10:05,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2020-10-12 16:10:05,179 INFO L78 Accepts]: Start accepts. Automaton has 75 states. Word has length 292 [2020-10-12 16:10:05,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:10:05,181 INFO L225 Difference]: With dead ends: 412 [2020-10-12 16:10:05,181 INFO L226 Difference]: Without dead ends: 296 [2020-10-12 16:10:05,182 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1925 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=2887, Invalid=9545, Unknown=0, NotChecked=0, Total=12432 [2020-10-12 16:10:05,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2020-10-12 16:10:05,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 296. [2020-10-12 16:10:05,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 296 states. [2020-10-12 16:10:05,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 297 transitions. [2020-10-12 16:10:05,198 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 297 transitions. Word has length 292 [2020-10-12 16:10:05,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:10:05,198 INFO L479 AbstractCegarLoop]: Abstraction has 296 states and 297 transitions. [2020-10-12 16:10:05,198 INFO L480 AbstractCegarLoop]: Interpolant automaton has 75 states. [2020-10-12 16:10:05,198 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 297 transitions. [2020-10-12 16:10:05,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2020-10-12 16:10:05,200 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:10:05,200 INFO L422 BasicCegarLoop]: trace histogram [36, 36, 36, 36, 35, 35, 35, 35, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:10:05,200 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable70 [2020-10-12 16:10:05,200 INFO L427 AbstractCegarLoop]: === Iteration 72 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:10:05,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:10:05,201 INFO L82 PathProgramCache]: Analyzing trace with hash 484926489, now seen corresponding path program 70 times [2020-10-12 16:10:05,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:10:05,201 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1882286487] [2020-10-12 16:10:05,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:10:05,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:05,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:08,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:08,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 371 [2020-10-12 16:10:08,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:08,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3411 [2020-10-12 16:10:08,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:08,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 75 [2020-10-12 16:10:08,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:10:08,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 360 [2020-10-12 16:10:08,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:09,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:10:09,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:09,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:09,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:09,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:10:09,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:09,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:10:09,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:09,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:10:09,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:09,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:10:09,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:09,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 16:10:09,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:09,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:09,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:09,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:09,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:09,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:09,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:09,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:09,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:09,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:09,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:09,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 16:10:09,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:09,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:09,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:09,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:09,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:09,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:09,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:09,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:09,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:09,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:09,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:09,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 16:10:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:09,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:09,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:09,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:09,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:09,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:10:09,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:09,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:09,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:09,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:09,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:09,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 16:10:09,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:09,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:09,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:09,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:09,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:09,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:10:09,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:09,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:09,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:09,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:09,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:09,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 16:10:09,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:09,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:09,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:09,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:09,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:09,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:10:09,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:09,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:09,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:09,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:09,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:09,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-12 16:10:09,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:09,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:09,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:09,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:09,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:09,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:10:09,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:09,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:09,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:09,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:09,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:09,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 16:10:09,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:09,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:09,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:09,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:09,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:09,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:09,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:09,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:09,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:09,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:09,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:09,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 16:10:09,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:09,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:09,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:09,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:09,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:09,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:09,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:09,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:09,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:09,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:09,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:09,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 16:10:09,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:09,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:09,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:09,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:09,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:09,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:10:09,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:09,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:09,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:09,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:09,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:09,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 16:10:09,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:09,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:09,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:09,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:09,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:09,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:09,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:09,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:09,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:09,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:09,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:09,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-12 16:10:09,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:09,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:09,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:09,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:09,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:09,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:09,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:09,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:09,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:09,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:09,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:09,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 16:10:09,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:09,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:09,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:09,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:09,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:09,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:10:09,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:09,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:09,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:09,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:09,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:09,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-12 16:10:09,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:09,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:09,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:09,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:09,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:09,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:10:09,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:09,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:09,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:09,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:09,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:09,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-12 16:10:09,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:09,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:09,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:09,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:09,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:09,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:09,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:09,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:09,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:09,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:09,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:09,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 16:10:09,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:09,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:09,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:09,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:09,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:09,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:10:09,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:09,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:09,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:09,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:09,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:09,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 16:10:09,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:09,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:09,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:09,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:09,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:09,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:09,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:09,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:09,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:09,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:09,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:09,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-12 16:10:09,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:09,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:09,770 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:09,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:09,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:09,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:09,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:09,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:09,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:09,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:09,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:09,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-12 16:10:09,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:09,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:09,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:09,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:09,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:09,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:10:09,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:09,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:09,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:09,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:09,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:09,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-12 16:10:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:09,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:09,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:09,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:09,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:09,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:10:09,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:09,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:09,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:09,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:09,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:09,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-12 16:10:09,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:09,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:09,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:09,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:09,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:09,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:10:09,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:09,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:09,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:09,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:09,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:09,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-10-12 16:10:09,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:09,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:09,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:09,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:09,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:09,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:09,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:09,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:09,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:09,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:09,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:09,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-10-12 16:10:09,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:09,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:09,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:09,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:09,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:09,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:10:09,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:09,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:09,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:09,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:09,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:09,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-10-12 16:10:09,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:09,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:09,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:09,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:09,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:09,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:09,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:09,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:09,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:09,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:09,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:09,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-12 16:10:09,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:09,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:09,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:09,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:09,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:09,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:10:09,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:09,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:09,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:09,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:09,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:09,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-12 16:10:09,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:09,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:09,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:09,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:09,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:09,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:10:09,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:09,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:09,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:09,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:09,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:09,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-12 16:10:09,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:09,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:09,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:09,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:09,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:09,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:10:09,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:09,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:09,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:09,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:09,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:09,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-10-12 16:10:09,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:09,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:09,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:09,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:09,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:09,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:09,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:09,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:09,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:09,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:09,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:09,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-10-12 16:10:09,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:09,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:09,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:09,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:09,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:09,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:10:09,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:09,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:09,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:09,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:09,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:09,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-10-12 16:10:09,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:09,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:09,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:09,813 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:09,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:09,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:10:09,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:09,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:09,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:09,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:09,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:09,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-10-12 16:10:09,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:09,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:09,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:09,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:09,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:09,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:10:09,817 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:09,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:09,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:09,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:09,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:09,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-10-12 16:10:09,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:09,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:09,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:09,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:09,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:09,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:10:09,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:09,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:09,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:09,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:09,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:09,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2020-10-12 16:10:09,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:09,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:09,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:09,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:09,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:09,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:09,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:09,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:09,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:09,825 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:09,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:09,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2020-10-12 16:10:09,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:09,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:09,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:09,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:09,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:09,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:09,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:09,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:09,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:09,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:09,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:09,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2020-10-12 16:10:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:09,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:09,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:09,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:09,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:09,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:10:09,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:09,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:09,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:09,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:09,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:09,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-10-12 16:10:09,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:09,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:09,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:09,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:09,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:09,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:09,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:09,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:09,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:09,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:09,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:09,890 INFO L134 CoverageAnalysis]: Checked inductivity of 4971 backedges. 736 proven. 1855 refuted. 0 times theorem prover too weak. 2380 trivial. 0 not checked. [2020-10-12 16:10:09,890 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1882286487] [2020-10-12 16:10:09,890 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:10:09,890 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2020-10-12 16:10:09,890 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1477438348] [2020-10-12 16:10:09,890 INFO L459 AbstractCegarLoop]: Interpolant automaton has 41 states [2020-10-12 16:10:09,891 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:10:09,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2020-10-12 16:10:09,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=745, Invalid=895, Unknown=0, NotChecked=0, Total=1640 [2020-10-12 16:10:09,891 INFO L87 Difference]: Start difference. First operand 296 states and 297 transitions. Second operand 41 states. [2020-10-12 16:10:10,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:10:10,425 INFO L93 Difference]: Finished difference Result 309 states and 311 transitions. [2020-10-12 16:10:10,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-10-12 16:10:10,426 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 293 [2020-10-12 16:10:10,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:10:10,428 INFO L225 Difference]: With dead ends: 309 [2020-10-12 16:10:10,428 INFO L226 Difference]: Without dead ends: 307 [2020-10-12 16:10:10,429 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 [2020-10-12 16:10:10,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2020-10-12 16:10:10,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 303. [2020-10-12 16:10:10,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2020-10-12 16:10:10,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 304 transitions. [2020-10-12 16:10:10,444 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 304 transitions. Word has length 293 [2020-10-12 16:10:10,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:10:10,444 INFO L479 AbstractCegarLoop]: Abstraction has 303 states and 304 transitions. [2020-10-12 16:10:10,444 INFO L480 AbstractCegarLoop]: Interpolant automaton has 41 states. [2020-10-12 16:10:10,445 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 304 transitions. [2020-10-12 16:10:10,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2020-10-12 16:10:10,446 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:10:10,447 INFO L422 BasicCegarLoop]: trace histogram [37, 37, 37, 36, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:10:10,447 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable71 [2020-10-12 16:10:10,447 INFO L427 AbstractCegarLoop]: === Iteration 73 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:10:10,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:10:10,447 INFO L82 PathProgramCache]: Analyzing trace with hash -282827695, now seen corresponding path program 71 times [2020-10-12 16:10:10,447 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:10:10,448 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1952596678] [2020-10-12 16:10:10,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:10:10,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:10,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:14,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:14,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 380 [2020-10-12 16:10:14,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:14,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3836 [2020-10-12 16:10:14,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:14,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 76 [2020-10-12 16:10:14,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:10:14,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 364 [2020-10-12 16:10:14,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:17,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:10:17,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:17,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:17,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:17,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:10:17,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:17,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:10:17,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:17,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:10:17,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:17,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:10:17,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:17,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 16:10:17,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:17,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:17,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:17,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:17,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:17,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:17,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:17,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:17,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:17,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:17,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:17,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 16:10:17,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:17,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:17,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:17,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:17,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:17,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:17,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:17,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:17,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:17,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:17,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:17,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 16:10:17,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:17,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:17,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:17,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:17,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:17,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:17,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:17,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:17,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:17,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:17,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:17,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 16:10:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:17,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:17,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:17,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:17,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:17,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:17,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:17,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:17,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:17,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:17,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:17,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 16:10:17,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:17,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:17,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:17,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:17,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:17,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:17,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:17,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:17,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:17,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:17,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:17,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-12 16:10:17,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:17,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:17,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:17,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:17,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:17,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:17,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:17,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:17,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:17,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:17,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:17,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 16:10:17,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:17,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:17,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:17,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:17,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:17,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:17,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:17,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:17,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:17,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:17,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:17,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 16:10:17,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:17,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:17,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:17,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:17,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:17,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:17,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:17,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:17,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:17,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:17,654 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:17,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 16:10:17,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:17,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:17,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:17,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:17,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:17,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:17,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:17,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:17,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:17,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:17,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:17,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 16:10:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:17,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:17,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:17,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:17,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:17,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:17,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:17,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:17,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:17,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:17,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:17,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-12 16:10:17,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:17,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:17,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:17,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:17,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:17,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:17,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:17,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:17,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:17,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:17,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:17,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 16:10:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:17,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:17,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:17,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:17,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:17,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:17,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:17,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:17,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:17,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:17,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:17,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-12 16:10:17,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:17,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:17,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:17,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:17,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:17,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:10:17,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:17,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:17,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:17,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:17,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:17,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-12 16:10:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:17,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:17,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:17,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:17,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:17,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:17,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:17,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:17,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:17,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:17,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:17,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 16:10:17,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:17,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:17,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:17,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:17,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:17,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:17,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:17,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:17,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:17,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:17,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:17,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 16:10:17,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:17,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:17,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:17,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:17,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:17,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:17,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:17,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:17,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:17,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:17,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:17,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-12 16:10:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:17,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:17,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:17,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:17,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:17,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:17,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:17,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:17,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:17,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:17,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:17,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-12 16:10:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:17,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:17,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:17,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:17,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:17,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:17,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:17,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:17,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:17,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:17,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:17,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-12 16:10:17,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:17,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:17,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:17,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:17,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:17,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:17,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:17,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:17,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:17,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:17,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:17,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-12 16:10:17,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:17,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:17,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:17,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:17,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:17,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:17,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:17,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:17,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:17,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:17,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:17,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-10-12 16:10:17,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:17,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:17,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:17,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:17,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:17,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:10:17,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:17,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:17,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:17,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:17,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:17,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-10-12 16:10:17,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:17,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:17,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:17,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:17,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:17,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:17,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:17,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:17,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:17,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:17,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:17,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-10-12 16:10:17,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:17,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:17,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:17,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:17,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:17,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:17,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:17,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:17,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:17,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:17,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:17,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-12 16:10:17,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:17,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:17,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:17,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:17,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:17,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:17,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:17,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:17,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:17,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:17,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:17,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-12 16:10:17,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:17,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:17,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:17,749 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:17,749 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:17,749 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:17,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:17,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:17,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:17,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:17,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:17,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-12 16:10:17,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:17,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:17,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:17,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:17,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:17,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:17,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:17,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:17,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:17,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:17,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:17,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-10-12 16:10:17,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:17,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:17,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:17,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:17,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:17,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:17,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:17,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:17,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:17,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:17,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:17,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-10-12 16:10:17,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:17,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:17,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:17,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:17,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:17,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:10:17,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:17,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:17,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:17,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:17,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:17,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-10-12 16:10:17,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:17,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:17,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:17,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:17,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:17,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:10:17,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:17,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:17,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:17,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:17,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:17,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2020-10-12 16:10:17,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:17,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:17,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:17,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:17,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:17,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:17,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:17,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:17,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:17,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:17,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:17,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-10-12 16:10:17,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:17,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:17,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:17,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:17,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:17,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:17,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:17,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:17,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:17,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:17,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:17,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2020-10-12 16:10:17,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:17,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:17,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:17,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:17,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:17,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:17,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:17,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:17,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:17,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:17,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:17,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2020-10-12 16:10:17,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:17,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:17,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:17,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:17,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:17,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:17,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:17,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:17,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:17,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:17,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:17,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2020-10-12 16:10:17,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:17,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:17,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:17,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:17,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:17,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:10:17,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:17,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:17,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:17,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:17,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:17,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-10-12 16:10:17,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:17,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:17,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:17,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:17,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:17,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:17,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:17,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:17,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:17,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:17,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:17,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2020-10-12 16:10:17,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:17,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:17,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:17,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:17,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:17,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:17,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:17,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:17,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:17,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:17,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:17,924 INFO L134 CoverageAnalysis]: Checked inductivity of 5220 backedges. 2034 proven. 666 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2020-10-12 16:10:17,931 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1952596678] [2020-10-12 16:10:17,932 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:10:17,932 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [77] total 77 [2020-10-12 16:10:17,933 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103952961] [2020-10-12 16:10:17,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 77 states [2020-10-12 16:10:17,934 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:10:17,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2020-10-12 16:10:17,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1483, Invalid=4369, Unknown=0, NotChecked=0, Total=5852 [2020-10-12 16:10:17,935 INFO L87 Difference]: Start difference. First operand 303 states and 304 transitions. Second operand 77 states. [2020-10-12 16:10:23,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:10:23,224 INFO L93 Difference]: Finished difference Result 423 states and 461 transitions. [2020-10-12 16:10:23,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2020-10-12 16:10:23,226 INFO L78 Accepts]: Start accepts. Automaton has 77 states. Word has length 300 [2020-10-12 16:10:23,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:10:23,228 INFO L225 Difference]: With dead ends: 423 [2020-10-12 16:10:23,228 INFO L226 Difference]: Without dead ends: 304 [2020-10-12 16:10:23,230 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2034 ImplicationChecksByTransitivity, 5.2s TimeCoverageRelationStatistics Valid=3041, Invalid=10069, Unknown=0, NotChecked=0, Total=13110 [2020-10-12 16:10:23,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-10-12 16:10:23,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 304. [2020-10-12 16:10:23,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2020-10-12 16:10:23,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 305 transitions. [2020-10-12 16:10:23,248 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 305 transitions. Word has length 300 [2020-10-12 16:10:23,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:10:23,248 INFO L479 AbstractCegarLoop]: Abstraction has 304 states and 305 transitions. [2020-10-12 16:10:23,248 INFO L480 AbstractCegarLoop]: Interpolant automaton has 77 states. [2020-10-12 16:10:23,249 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 305 transitions. [2020-10-12 16:10:23,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-10-12 16:10:23,251 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:10:23,251 INFO L422 BasicCegarLoop]: trace histogram [37, 37, 37, 37, 36, 36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:10:23,251 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable72 [2020-10-12 16:10:23,251 INFO L427 AbstractCegarLoop]: === Iteration 74 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:10:23,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:10:23,252 INFO L82 PathProgramCache]: Analyzing trace with hash 569243416, now seen corresponding path program 72 times [2020-10-12 16:10:23,252 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:10:23,252 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1082201597] [2020-10-12 16:10:23,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:10:23,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:23,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:27,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:27,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 381 [2020-10-12 16:10:27,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:27,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3940 [2020-10-12 16:10:27,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:27,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 77 [2020-10-12 16:10:27,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:10:27,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 370 [2020-10-12 16:10:27,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:28,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:10:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:28,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:28,463 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:28,463 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:10:28,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:28,464 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:10:28,464 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:28,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:10:28,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:28,464 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:10:28,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:28,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 16:10:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:28,466 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:28,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:28,467 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:28,467 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:28,467 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:28,467 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:28,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:28,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:28,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:28,468 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:28,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-12 16:10:28,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:28,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:28,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:28,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:28,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:28,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:28,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:28,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:28,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:28,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:28,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:28,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:10:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:28,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:28,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:28,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:28,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:28,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:28,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:28,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:28,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:28,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:28,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:28,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-12 16:10:28,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:28,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:28,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:28,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:28,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:28,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:28,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:28,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:28,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:28,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:28,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:28,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 16:10:28,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:28,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:28,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:28,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:28,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:28,480 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:10:28,480 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:28,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:28,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:28,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:28,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:28,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-12 16:10:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:28,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:28,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:28,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:28,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:28,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:28,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:28,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:28,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:28,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:28,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:28,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 16:10:28,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:28,484 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:28,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:28,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:28,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:28,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:10:28,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:28,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:28,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:28,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:28,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:28,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 16:10:28,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:28,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:28,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:28,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:28,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:28,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:10:28,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:28,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:28,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:28,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:28,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:28,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 16:10:28,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:28,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:28,491 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:28,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:28,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:28,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:28,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:28,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:28,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:28,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:28,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:28,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 16:10:28,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:28,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:28,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:28,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:28,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:28,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:10:28,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:28,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:28,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:28,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:28,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:28,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 16:10:28,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:28,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:28,497 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:28,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:28,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:28,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:28,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:28,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:28,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:28,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:28,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:28,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 16:10:28,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:28,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:28,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:28,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:28,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:28,501 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:10:28,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:28,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:28,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:28,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:28,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:28,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 16:10:28,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:28,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:28,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:28,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:28,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:28,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:10:28,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:28,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:28,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:28,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:28,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:28,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-12 16:10:28,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:28,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:28,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:28,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:28,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:28,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:10:28,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:28,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:28,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:28,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:28,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:28,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-12 16:10:28,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:28,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:28,510 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:28,510 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:28,510 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:28,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:10:28,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:28,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:28,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:28,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:28,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:28,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-12 16:10:28,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:28,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:28,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:28,514 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:28,514 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:28,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:28,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:28,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:28,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:28,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:28,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:28,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-12 16:10:28,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:28,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:28,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:28,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:28,517 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:28,517 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:10:28,517 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:28,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:28,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:28,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:28,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:28,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-12 16:10:28,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:28,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:28,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:28,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:28,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:28,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:10:28,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:28,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:28,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:28,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:28,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:28,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-12 16:10:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:28,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:28,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:28,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:28,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:28,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:10:28,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:28,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:28,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:28,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:28,524 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:28,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-12 16:10:28,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:28,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:28,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:28,530 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:28,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:28,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:28,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:28,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:28,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:28,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:28,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:28,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 16:10:28,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:28,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:28,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:28,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:28,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:28,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:10:28,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:28,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:28,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:28,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:28,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:28,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-12 16:10:28,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:28,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:28,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:28,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:28,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:28,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:28,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:28,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:28,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:28,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:28,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:28,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-12 16:10:28,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:28,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:28,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:28,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:28,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:28,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:28,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:28,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:28,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:28,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:28,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:28,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-10-12 16:10:28,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:28,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:28,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:28,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:28,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:28,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:28,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:28,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:28,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:28,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:28,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:28,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-12 16:10:28,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:28,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:28,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:28,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:28,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:28,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:10:28,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:28,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:28,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:28,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:28,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:28,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-12 16:10:28,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:28,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:28,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:28,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:28,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:28,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:10:28,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:28,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:28,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:28,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:28,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:28,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-12 16:10:28,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:28,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:28,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:28,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:28,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:28,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:10:28,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:28,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:28,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:28,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:28,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:28,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-12 16:10:28,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:28,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:28,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:28,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:28,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:28,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:28,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:28,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:28,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:28,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:28,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:28,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-12 16:10:28,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:28,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:28,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:28,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:28,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:28,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:28,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:28,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:28,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:28,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:28,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:28,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-10-12 16:10:28,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:28,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:28,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:28,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:28,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:28,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:28,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:28,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:28,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:28,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:28,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:28,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-10-12 16:10:28,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:28,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:28,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:28,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:28,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:28,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:28,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:28,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:28,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:28,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:28,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:28,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-10-12 16:10:28,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:28,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:28,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:28,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:28,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:28,584 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:28,584 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:28,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:28,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:28,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:28,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:28,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2020-10-12 16:10:28,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:28,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:28,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:28,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:28,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:28,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:28,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:28,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:28,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:28,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:28,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:28,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2020-10-12 16:10:28,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:28,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:28,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:28,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:28,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:28,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:28,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:28,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:28,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:28,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:28,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:28,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2020-10-12 16:10:28,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:28,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:28,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:28,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:28,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:28,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:28,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:28,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:28,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:28,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:28,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:28,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2020-10-12 16:10:28,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:28,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:28,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:28,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:28,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:28,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:28,606 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:28,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:28,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:28,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:28,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:28,651 INFO L134 CoverageAnalysis]: Checked inductivity of 5257 backedges. 775 proven. 1962 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2020-10-12 16:10:28,651 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1082201597] [2020-10-12 16:10:28,651 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:10:28,651 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2020-10-12 16:10:28,651 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2069324966] [2020-10-12 16:10:28,652 INFO L459 AbstractCegarLoop]: Interpolant automaton has 42 states [2020-10-12 16:10:28,652 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:10:28,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2020-10-12 16:10:28,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=784, Invalid=938, Unknown=0, NotChecked=0, Total=1722 [2020-10-12 16:10:28,652 INFO L87 Difference]: Start difference. First operand 304 states and 305 transitions. Second operand 42 states. [2020-10-12 16:10:29,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:10:29,229 INFO L93 Difference]: Finished difference Result 317 states and 319 transitions. [2020-10-12 16:10:29,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-12 16:10:29,230 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 301 [2020-10-12 16:10:29,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:10:29,233 INFO L225 Difference]: With dead ends: 317 [2020-10-12 16:10:29,233 INFO L226 Difference]: Without dead ends: 315 [2020-10-12 16:10:29,233 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 [2020-10-12 16:10:29,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2020-10-12 16:10:29,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 311. [2020-10-12 16:10:29,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311 states. [2020-10-12 16:10:29,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 312 transitions. [2020-10-12 16:10:29,246 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 312 transitions. Word has length 301 [2020-10-12 16:10:29,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:10:29,247 INFO L479 AbstractCegarLoop]: Abstraction has 311 states and 312 transitions. [2020-10-12 16:10:29,247 INFO L480 AbstractCegarLoop]: Interpolant automaton has 42 states. [2020-10-12 16:10:29,247 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 312 transitions. [2020-10-12 16:10:29,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2020-10-12 16:10:29,248 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:10:29,248 INFO L422 BasicCegarLoop]: trace histogram [38, 38, 38, 37, 37, 37, 37, 37, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:10:29,248 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable73 [2020-10-12 16:10:29,249 INFO L427 AbstractCegarLoop]: === Iteration 75 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:10:29,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:10:29,249 INFO L82 PathProgramCache]: Analyzing trace with hash 1010910322, now seen corresponding path program 73 times [2020-10-12 16:10:29,249 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:10:29,249 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [513536643] [2020-10-12 16:10:29,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:10:29,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:29,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:33,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:33,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 390 [2020-10-12 16:10:33,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:33,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4009 [2020-10-12 16:10:33,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:33,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 78 [2020-10-12 16:10:33,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 10 [2020-10-12 16:10:33,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 374 [2020-10-12 16:10:33,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:36,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:10:36,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:36,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:36,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:36,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:10:36,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:36,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:10:36,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:36,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:10:36,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:36,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:10:36,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:36,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 16:10:36,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:36,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:36,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:36,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:36,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:36,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:36,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:36,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:36,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:36,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:36,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:36,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-12 16:10:36,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:36,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:36,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:36,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:36,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:36,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:36,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:36,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:36,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:36,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:36,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:36,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:10:36,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:36,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:36,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:36,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:36,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:36,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:36,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:36,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:36,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:36,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:36,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:36,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-12 16:10:36,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:36,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:36,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:36,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:36,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:36,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:36,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:36,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:36,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:36,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:36,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:36,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 16:10:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:36,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:36,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:36,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:36,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:36,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:36,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:36,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:36,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:36,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:36,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:36,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-12 16:10:36,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:36,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:36,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:36,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:36,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:36,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:36,748 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:36,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:36,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:36,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:36,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:36,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 16:10:36,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:36,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:36,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:36,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:36,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:36,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:36,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:36,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:36,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:36,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:36,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:36,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 16:10:36,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:36,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:36,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:36,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:36,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:36,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:36,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:36,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:36,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:36,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:36,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:36,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 16:10:36,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:36,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:36,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:36,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:36,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:36,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:36,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:36,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:36,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:36,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:36,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:36,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 16:10:36,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:36,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:36,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:36,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:36,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:36,762 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:36,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:36,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:36,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:36,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:36,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:36,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 16:10:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:36,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:36,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:36,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:36,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:36,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:36,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:36,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:36,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:36,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:36,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:36,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 16:10:36,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:36,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:36,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:36,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:36,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:36,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:36,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:36,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:36,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:36,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:36,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:36,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 16:10:36,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:36,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:36,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:36,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:36,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:36,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:10:36,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:36,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:36,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:36,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:36,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:36,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-12 16:10:36,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:36,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:36,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:36,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:36,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:36,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:36,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:36,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:36,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:36,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:36,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:36,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-12 16:10:36,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:36,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:36,778 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:36,778 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:36,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:36,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:36,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:36,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:36,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:36,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:36,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:36,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-12 16:10:36,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:36,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:36,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:36,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:36,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:36,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:36,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:36,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:36,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:36,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:36,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:36,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-12 16:10:36,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:36,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:36,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:36,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:36,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:36,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:36,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:36,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:36,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:36,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:36,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:36,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-12 16:10:36,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:36,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:36,789 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:36,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:36,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:36,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:36,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:36,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:36,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:36,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:36,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:36,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-12 16:10:36,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:36,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:36,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:36,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:36,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:36,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:36,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:36,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:36,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:36,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:36,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:36,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-12 16:10:36,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:36,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:36,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:36,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:36,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:36,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:36,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:36,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:36,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:36,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:36,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:36,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 16:10:36,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:36,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:36,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:36,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:36,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:36,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:36,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:36,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:36,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:36,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:36,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:36,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-12 16:10:36,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:36,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:36,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:36,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:36,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:36,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:36,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:36,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:36,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:36,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:36,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:36,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-12 16:10:36,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:36,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:36,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:36,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:36,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:36,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:36,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:36,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:36,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:36,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:36,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:36,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-10-12 16:10:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:36,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:36,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:36,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:36,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:36,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:36,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:36,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:36,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:36,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:36,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:36,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-12 16:10:36,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:36,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:36,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:36,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:36,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:36,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:36,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:36,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:36,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:36,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:36,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:36,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-12 16:10:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:36,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:36,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:36,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:36,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:36,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:36,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:36,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:36,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:36,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:36,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:36,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-12 16:10:36,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:36,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:36,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:36,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:36,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:36,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:36,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:36,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:36,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:36,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:36,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:36,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 234 [2020-10-12 16:10:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:36,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:36,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:36,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:36,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:36,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:36,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:36,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:36,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:36,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:36,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:36,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-12 16:10:36,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:36,833 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:36,834 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:36,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:36,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:36,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:36,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:36,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:36,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:36,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:36,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:36,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-10-12 16:10:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:36,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:36,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:36,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:36,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:36,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:36,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:36,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:36,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:36,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:36,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:36,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-10-12 16:10:36,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:36,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:36,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:36,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:36,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:36,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:36,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:36,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:36,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:36,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:36,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:36,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-10-12 16:10:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:36,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:36,846 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:36,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:36,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:36,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:36,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:36,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:36,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:36,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:36,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:36,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2020-10-12 16:10:36,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:36,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:36,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:36,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:36,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:36,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:36,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:36,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:36,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:36,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:36,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:36,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2020-10-12 16:10:36,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:36,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:36,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:36,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:36,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:36,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:36,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:36,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:36,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:36,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:36,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:36,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2020-10-12 16:10:36,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:36,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:36,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:36,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:36,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:36,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:36,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:36,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:36,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:36,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:36,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:36,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2020-10-12 16:10:36,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:36,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:36,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:36,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:36,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:36,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:36,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:36,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:36,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:36,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:36,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:36,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 297 [2020-10-12 16:10:36,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:10:36,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:10:36,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:10:36,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:10:36,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:10:36,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:10:36,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:10:36,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:10:36,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:10:36,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:10:36,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:10:36,925 INFO L134 CoverageAnalysis]: Checked inductivity of 5513 backedges. 2146 proven. 703 refuted. 0 times theorem prover too weak. 2664 trivial. 0 not checked. [2020-10-12 16:10:36,925 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [513536643] [2020-10-12 16:10:36,925 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:10:36,926 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [79] total 79 [2020-10-12 16:10:36,926 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374931755] [2020-10-12 16:10:36,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 79 states [2020-10-12 16:10:36,926 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:10:36,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2020-10-12 16:10:36,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1561, Invalid=4601, Unknown=0, NotChecked=0, Total=6162 [2020-10-12 16:10:36,927 INFO L87 Difference]: Start difference. First operand 311 states and 312 transitions. Second operand 79 states.