/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/half_2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 16:05:30,795 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 16:05:30,798 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 16:05:30,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 16:05:30,821 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 16:05:30,823 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 16:05:30,824 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 16:05:30,826 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 16:05:30,827 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 16:05:30,828 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 16:05:30,829 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 16:05:30,830 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 16:05:30,830 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 16:05:30,831 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 16:05:30,832 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 16:05:30,834 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 16:05:30,834 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 16:05:30,835 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 16:05:30,837 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 16:05:30,839 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 16:05:30,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 16:05:30,842 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 16:05:30,843 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 16:05:30,844 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 16:05:30,846 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 16:05:30,846 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 16:05:30,847 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 16:05:30,848 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 16:05:30,848 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 16:05:30,849 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 16:05:30,849 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 16:05:30,850 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 16:05:30,851 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 16:05:30,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 16:05:30,853 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 16:05:30,853 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 16:05:30,853 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 16:05:30,854 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 16:05:30,854 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 16:05:30,855 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 16:05:30,855 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 16:05:30,856 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 16:05:30,878 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 16:05:30,878 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 16:05:30,879 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 16:05:30,880 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 16:05:30,880 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 16:05:30,880 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 16:05:30,880 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 16:05:30,881 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 16:05:30,881 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 16:05:30,881 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 16:05:30,881 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 16:05:30,881 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 16:05:30,881 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 16:05:30,882 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 16:05:30,882 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 16:05:30,882 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 16:05:30,882 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 16:05:30,883 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 16:05:30,883 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 16:05:30,883 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 16:05:30,883 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 16:05:30,883 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 16:05:30,884 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 16:05:30,884 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 16:05:30,884 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 16:05:30,884 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 16:05:30,884 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 16:05:30,885 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 16:05:30,885 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 16:05:30,885 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 16:05:31,243 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 16:05:31,263 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 16:05:31,266 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 16:05:31,269 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 16:05:31,270 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 16:05:31,271 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/half_2.i [2020-10-12 16:05:31,332 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/552897d0a/84637874dcb244a8a1ee8fd99f9afe95/FLAG8d84fc257 [2020-10-12 16:05:31,745 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 16:05:31,746 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loop-invgen/half_2.i [2020-10-12 16:05:31,753 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/552897d0a/84637874dcb244a8a1ee8fd99f9afe95/FLAG8d84fc257 [2020-10-12 16:05:32,176 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/552897d0a/84637874dcb244a8a1ee8fd99f9afe95 [2020-10-12 16:05:32,185 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 16:05:32,186 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 16:05:32,188 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 16:05:32,188 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 16:05:32,192 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 16:05:32,192 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:05:32" (1/1) ... [2020-10-12 16:05:32,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@770ea115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:05:32, skipping insertion in model container [2020-10-12 16:05:32,196 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 04:05:32" (1/1) ... [2020-10-12 16:05:32,203 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 16:05:32,225 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 16:05:32,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:05:32,442 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 16:05:32,458 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 16:05:32,474 INFO L208 MainTranslator]: Completed translation [2020-10-12 16:05:32,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:05:32 WrapperNode [2020-10-12 16:05:32,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 16:05:32,475 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 16:05:32,476 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 16:05:32,476 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 16:05:32,490 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:05:32" (1/1) ... [2020-10-12 16:05:32,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:05:32" (1/1) ... [2020-10-12 16:05:32,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:05:32" (1/1) ... [2020-10-12 16:05:32,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:05:32" (1/1) ... [2020-10-12 16:05:32,579 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:05:32" (1/1) ... [2020-10-12 16:05:32,584 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:05:32" (1/1) ... [2020-10-12 16:05:32,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:05:32" (1/1) ... [2020-10-12 16:05:32,593 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 16:05:32,594 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 16:05:32,594 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 16:05:32,594 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 16:05:32,595 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:05:32" (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 16:05:32,674 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 16:05:32,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 16:05:32,675 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-12 16:05:32,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-12 16:05:32,675 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 16:05:32,676 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 16:05:32,676 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-12 16:05:32,677 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-12 16:05:32,677 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-12 16:05:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 16:05:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 16:05:32,678 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 16:05:32,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 16:05:32,883 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 16:05:32,883 INFO L295 CfgBuilder]: Removed 2 assume(true) statements. [2020-10-12 16:05:32,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:05:32 BoogieIcfgContainer [2020-10-12 16:05:32,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 16:05:32,889 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 16:05:32,889 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 16:05:32,892 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 16:05:32,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 04:05:32" (1/3) ... [2020-10-12 16:05:32,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b6b100e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:05:32, skipping insertion in model container [2020-10-12 16:05:32,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 04:05:32" (2/3) ... [2020-10-12 16:05:32,894 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b6b100e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 04:05:32, skipping insertion in model container [2020-10-12 16:05:32,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 04:05:32" (3/3) ... [2020-10-12 16:05:32,896 INFO L109 eAbstractionObserver]: Analyzing ICFG half_2.i [2020-10-12 16:05:32,907 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 16:05:32,914 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 16:05:32,936 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 16:05:32,975 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 16:05:32,975 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 16:05:32,975 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 16:05:32,976 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 16:05:32,976 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 16:05:32,976 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 16:05:32,976 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 16:05:32,976 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 16:05:33,001 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2020-10-12 16:05:33,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-12 16:05:33,009 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:05:33,010 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:05:33,011 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:05:33,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:05:33,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1802475430, now seen corresponding path program 1 times [2020-10-12 16:05:33,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:05:33,028 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [677930477] [2020-10-12 16:05:33,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:05:33,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:33,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:33,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:33,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:33,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-12 16:05:33,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 16:05:33,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 295 [2020-10-12 16:05:33,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:33,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:05:33,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:05:33,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-12 16:05:33,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-12 16:05:33,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:05:33,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:33,559 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:33,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:33,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:05:33,562 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:33,562 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:33,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:33,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:05:33,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:33,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:05:33,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 16:05:33,573 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 16:05:33,574 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [677930477] [2020-10-12 16:05:33,576 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 16:05:33,576 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-12 16:05:33,577 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1623519047] [2020-10-12 16:05:33,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 16:05:33,584 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:05:33,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 16:05:33,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-12 16:05:33,603 INFO L87 Difference]: Start difference. First operand 22 states. Second operand 7 states. [2020-10-12 16:05:33,738 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:05:33,739 INFO L93 Difference]: Finished difference Result 49 states and 63 transitions. [2020-10-12 16:05:33,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 16:05:33,741 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 13 [2020-10-12 16:05:33,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:05:33,750 INFO L225 Difference]: With dead ends: 49 [2020-10-12 16:05:33,751 INFO L226 Difference]: Without dead ends: 26 [2020-10-12 16:05:33,755 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-12 16:05:33,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-10-12 16:05:33,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2020-10-12 16:05:33,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-10-12 16:05:33,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 27 transitions. [2020-10-12 16:05:33,800 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 27 transitions. Word has length 13 [2020-10-12 16:05:33,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:05:33,801 INFO L479 AbstractCegarLoop]: Abstraction has 25 states and 27 transitions. [2020-10-12 16:05:33,801 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 16:05:33,801 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2020-10-12 16:05:33,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-12 16:05:33,802 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:05:33,803 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:05:33,803 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 16:05:33,803 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:05:33,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:05:33,804 INFO L82 PathProgramCache]: Analyzing trace with hash -2075697305, now seen corresponding path program 1 times [2020-10-12 16:05:33,804 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:05:33,805 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1643742960] [2020-10-12 16:05:33,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:05:33,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:33,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:34,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:34,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 16:05:34,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:34,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 183 [2020-10-12 16:05:34,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:34,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-12 16:05:34,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:05:34,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-12 16:05:34,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:05:34,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:05:34,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:34,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:34,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:34,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:05:34,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:34,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:34,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:34,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:05:34,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:34,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:05:34,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:05:34,083 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 16:05:34,084 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1643742960] [2020-10-12 16:05:34,084 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:05:34,085 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-10-12 16:05:34,085 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118076056] [2020-10-12 16:05:34,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-12 16:05:34,087 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:05:34,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-12 16:05:34,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-12 16:05:34,088 INFO L87 Difference]: Start difference. First operand 25 states and 27 transitions. Second operand 8 states. [2020-10-12 16:05:34,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:05:34,314 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2020-10-12 16:05:34,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 16:05:34,315 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2020-10-12 16:05:34,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:05:34,316 INFO L225 Difference]: With dead ends: 40 [2020-10-12 16:05:34,316 INFO L226 Difference]: Without dead ends: 19 [2020-10-12 16:05:34,318 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2020-10-12 16:05:34,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2020-10-12 16:05:34,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2020-10-12 16:05:34,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2020-10-12 16:05:34,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 20 transitions. [2020-10-12 16:05:34,323 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 20 transitions. Word has length 14 [2020-10-12 16:05:34,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:05:34,324 INFO L479 AbstractCegarLoop]: Abstraction has 19 states and 20 transitions. [2020-10-12 16:05:34,324 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-12 16:05:34,324 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 20 transitions. [2020-10-12 16:05:34,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-12 16:05:34,325 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:05:34,325 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:05:34,326 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 16:05:34,326 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:05:34,326 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:05:34,326 INFO L82 PathProgramCache]: Analyzing trace with hash -2039967802, now seen corresponding path program 2 times [2020-10-12 16:05:34,327 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:05:34,327 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [730764303] [2020-10-12 16:05:34,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:05:34,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:34,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:34,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:34,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-12 16:05:34,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:34,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-12 16:05:34,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:34,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 16:05:34,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:05:34,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-12 16:05:34,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:34,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:05:34,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:34,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:34,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:34,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:05:34,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:34,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:34,510 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:34,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:05:34,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:34,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:05:34,511 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:34,516 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 16:05:34,516 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [730764303] [2020-10-12 16:05:34,517 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:05:34,517 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 16:05:34,517 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129392223] [2020-10-12 16:05:34,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 16:05:34,518 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:05:34,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 16:05:34,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-12 16:05:34,520 INFO L87 Difference]: Start difference. First operand 19 states and 20 transitions. Second operand 7 states. [2020-10-12 16:05:34,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:05:34,617 INFO L93 Difference]: Finished difference Result 31 states and 33 transitions. [2020-10-12 16:05:34,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-12 16:05:34,619 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 15 [2020-10-12 16:05:34,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:05:34,621 INFO L225 Difference]: With dead ends: 31 [2020-10-12 16:05:34,622 INFO L226 Difference]: Without dead ends: 29 [2020-10-12 16:05:34,622 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-10-12 16:05:34,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2020-10-12 16:05:34,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 25. [2020-10-12 16:05:34,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2020-10-12 16:05:34,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2020-10-12 16:05:34,646 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 15 [2020-10-12 16:05:34,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:05:34,647 INFO L479 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2020-10-12 16:05:34,647 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 16:05:34,647 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2020-10-12 16:05:34,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-10-12 16:05:34,648 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:05:34,648 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:05:34,648 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 16:05:34,649 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:05:34,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:05:34,651 INFO L82 PathProgramCache]: Analyzing trace with hash 398814729, now seen corresponding path program 1 times [2020-10-12 16:05:34,651 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:05:34,652 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [622718646] [2020-10-12 16:05:34,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:05:34,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:34,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:34,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:34,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-12 16:05:34,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:34,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 181 [2020-10-12 16:05:34,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:34,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 16:05:34,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:05:34,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 20 [2020-10-12 16:05:34,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:34,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:05:34,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:34,962 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:34,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:34,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:05:34,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:34,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:05:34,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:34,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:05:34,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:34,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:05:34,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:34,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2020-10-12 16:05:34,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:34,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:34,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:34,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:34,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:34,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:05:34,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:34,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:34,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:34,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:34,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:05:34,981 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 16:05:34,981 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [622718646] [2020-10-12 16:05:34,982 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:05:34,982 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-12 16:05:34,982 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334098833] [2020-10-12 16:05:34,983 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 16:05:34,983 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:05:34,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 16:05:34,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-12 16:05:34,984 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand 10 states. [2020-10-12 16:05:35,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:05:35,108 INFO L93 Difference]: Finished difference Result 43 states and 45 transitions. [2020-10-12 16:05:35,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 16:05:35,109 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 22 [2020-10-12 16:05:35,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:05:35,112 INFO L225 Difference]: With dead ends: 43 [2020-10-12 16:05:35,112 INFO L226 Difference]: Without dead ends: 26 [2020-10-12 16:05:35,113 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2020-10-12 16:05:35,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2020-10-12 16:05:35,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2020-10-12 16:05:35,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2020-10-12 16:05:35,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2020-10-12 16:05:35,120 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 22 [2020-10-12 16:05:35,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:05:35,121 INFO L479 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2020-10-12 16:05:35,121 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 16:05:35,121 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2020-10-12 16:05:35,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2020-10-12 16:05:35,122 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:05:35,123 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:05:35,123 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 16:05:35,123 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:05:35,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:05:35,124 INFO L82 PathProgramCache]: Analyzing trace with hash 1125896040, now seen corresponding path program 2 times [2020-10-12 16:05:35,124 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:05:35,124 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [460318845] [2020-10-12 16:05:35,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:05:35,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:35,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:35,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:35,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-12 16:05:35,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:35,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 101 [2020-10-12 16:05:35,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:35,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 16:05:35,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:05:35,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 16:05:35,237 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:05:35,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:05:35,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:35,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:35,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:35,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:05:35,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:35,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:05:35,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:35,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:05:35,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:35,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:05:35,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:35,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:05:35,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:35,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:35,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:35,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:35,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:35,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:05:35,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:35,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:35,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:35,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:35,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:35,323 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 16:05:35,323 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [460318845] [2020-10-12 16:05:35,324 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:05:35,324 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-12 16:05:35,324 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303328502] [2020-10-12 16:05:35,325 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-12 16:05:35,325 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:05:35,325 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-12 16:05:35,325 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-10-12 16:05:35,326 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand 9 states. [2020-10-12 16:05:35,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:05:35,430 INFO L93 Difference]: Finished difference Result 39 states and 41 transitions. [2020-10-12 16:05:35,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-12 16:05:35,431 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 23 [2020-10-12 16:05:35,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:05:35,432 INFO L225 Difference]: With dead ends: 39 [2020-10-12 16:05:35,433 INFO L226 Difference]: Without dead ends: 37 [2020-10-12 16:05:35,433 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2020-10-12 16:05:35,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-12 16:05:35,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 33. [2020-10-12 16:05:35,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-12 16:05:35,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 34 transitions. [2020-10-12 16:05:35,442 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 34 transitions. Word has length 23 [2020-10-12 16:05:35,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:05:35,442 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 34 transitions. [2020-10-12 16:05:35,442 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-12 16:05:35,442 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 34 transitions. [2020-10-12 16:05:35,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-12 16:05:35,443 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:05:35,443 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:05:35,444 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 16:05:35,444 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:05:35,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:05:35,444 INFO L82 PathProgramCache]: Analyzing trace with hash 1648079911, now seen corresponding path program 3 times [2020-10-12 16:05:35,445 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:05:35,445 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [442790311] [2020-10-12 16:05:35,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:05:35,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:35,462 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:35,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:35,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 42 [2020-10-12 16:05:35,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:35,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 154 [2020-10-12 16:05:35,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:35,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-12 16:05:35,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:05:35,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-12 16:05:35,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:35,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:05:35,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:35,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:35,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:35,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:05:35,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:35,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:05:35,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:35,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:05:35,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:35,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:05:35,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:35,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-12 16:05:35,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:35,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:35,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:35,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:35,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:35,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:05:35,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:35,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:35,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:35,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:35,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:35,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 16:05:35,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:35,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:35,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:35,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:35,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:35,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:05:35,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:35,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:35,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:35,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:35,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:35,762 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-12 16:05:35,762 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [442790311] [2020-10-12 16:05:35,763 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:05:35,763 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 16:05:35,763 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632132937] [2020-10-12 16:05:35,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 16:05:35,764 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:05:35,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 16:05:35,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-10-12 16:05:35,765 INFO L87 Difference]: Start difference. First operand 33 states and 34 transitions. Second operand 12 states. [2020-10-12 16:05:35,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:05:35,961 INFO L93 Difference]: Finished difference Result 63 states and 67 transitions. [2020-10-12 16:05:35,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-12 16:05:35,962 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 30 [2020-10-12 16:05:35,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:05:35,963 INFO L225 Difference]: With dead ends: 63 [2020-10-12 16:05:35,964 INFO L226 Difference]: Without dead ends: 43 [2020-10-12 16:05:35,965 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-10-12 16:05:35,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-12 16:05:35,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 34. [2020-10-12 16:05:35,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2020-10-12 16:05:35,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2020-10-12 16:05:35,972 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 30 [2020-10-12 16:05:35,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:05:35,972 INFO L479 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2020-10-12 16:05:35,972 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 16:05:35,972 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2020-10-12 16:05:35,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-12 16:05:35,973 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:05:35,974 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:05:35,974 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 16:05:35,974 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:05:35,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:05:35,975 INFO L82 PathProgramCache]: Analyzing trace with hash -888781178, now seen corresponding path program 4 times [2020-10-12 16:05:35,975 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:05:35,975 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1746500869] [2020-10-12 16:05:35,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:05:35,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:35,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:36,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:36,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 43 [2020-10-12 16:05:36,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:36,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 149 [2020-10-12 16:05:36,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:36,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 16:05:36,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:05:36,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 31 [2020-10-12 16:05:36,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:36,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:05:36,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:36,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:36,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:36,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:05:36,211 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:36,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:05:36,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:36,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:05:36,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:36,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:05:36,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:36,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 16:05:36,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:36,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:36,219 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:36,219 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:36,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:36,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:05:36,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:36,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:36,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:36,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:36,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:36,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 16:05:36,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:36,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:36,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:36,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:36,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:36,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:05:36,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:36,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:36,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:36,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:36,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:36,235 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 10 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-12 16:05:36,235 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1746500869] [2020-10-12 16:05:36,236 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:05:36,236 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-12 16:05:36,236 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382855802] [2020-10-12 16:05:36,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 16:05:36,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:05:36,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 16:05:36,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-10-12 16:05:36,237 INFO L87 Difference]: Start difference. First operand 34 states and 35 transitions. Second operand 11 states. [2020-10-12 16:05:36,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:05:36,382 INFO L93 Difference]: Finished difference Result 47 states and 49 transitions. [2020-10-12 16:05:36,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 16:05:36,383 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 31 [2020-10-12 16:05:36,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:05:36,384 INFO L225 Difference]: With dead ends: 47 [2020-10-12 16:05:36,384 INFO L226 Difference]: Without dead ends: 45 [2020-10-12 16:05:36,385 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2020-10-12 16:05:36,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2020-10-12 16:05:36,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 41. [2020-10-12 16:05:36,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-12 16:05:36,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 42 transitions. [2020-10-12 16:05:36,392 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 42 transitions. Word has length 31 [2020-10-12 16:05:36,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:05:36,393 INFO L479 AbstractCegarLoop]: Abstraction has 41 states and 42 transitions. [2020-10-12 16:05:36,393 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 16:05:36,393 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 42 transitions. [2020-10-12 16:05:36,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2020-10-12 16:05:36,394 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:05:36,394 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:05:36,394 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 16:05:36,395 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:05:36,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:05:36,395 INFO L82 PathProgramCache]: Analyzing trace with hash -682582199, now seen corresponding path program 5 times [2020-10-12 16:05:36,395 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:05:36,396 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1490266953] [2020-10-12 16:05:36,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:05:36,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:36,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:36,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:36,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-12 16:05:36,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:36,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 187 [2020-10-12 16:05:36,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:36,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-12 16:05:36,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:05:36,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 40 [2020-10-12 16:05:36,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:36,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:05:36,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:36,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:36,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:36,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:05:36,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:36,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:05:36,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:36,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:05:36,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:36,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:05:36,728 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:36,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 16:05:36,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:36,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:36,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:36,735 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:36,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:36,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:05:36,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:36,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:36,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:36,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:36,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:36,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 16:05:36,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:36,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:36,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:36,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:36,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:36,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:05:36,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:36,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:36,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:36,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:36,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:36,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 16:05:36,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:36,752 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:36,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:36,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:36,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:36,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:05:36,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:36,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:36,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:36,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:36,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:36,763 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 18 proven. 13 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-12 16:05:36,763 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1490266953] [2020-10-12 16:05:36,764 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:05:36,764 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-12 16:05:36,764 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116330684] [2020-10-12 16:05:36,765 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 16:05:36,765 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:05:36,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 16:05:36,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-10-12 16:05:36,766 INFO L87 Difference]: Start difference. First operand 41 states and 42 transitions. Second operand 14 states. [2020-10-12 16:05:36,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:05:36,949 INFO L93 Difference]: Finished difference Result 61 states and 66 transitions. [2020-10-12 16:05:36,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 16:05:36,949 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 38 [2020-10-12 16:05:36,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:05:36,950 INFO L225 Difference]: With dead ends: 61 [2020-10-12 16:05:36,950 INFO L226 Difference]: Without dead ends: 42 [2020-10-12 16:05:36,951 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2020-10-12 16:05:36,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-10-12 16:05:36,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2020-10-12 16:05:36,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-10-12 16:05:36,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 43 transitions. [2020-10-12 16:05:36,959 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 43 transitions. Word has length 38 [2020-10-12 16:05:36,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:05:36,959 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 43 transitions. [2020-10-12 16:05:36,959 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 16:05:36,959 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 43 transitions. [2020-10-12 16:05:36,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-10-12 16:05:36,960 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:05:36,960 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:05:36,961 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 16:05:36,961 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:05:36,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:05:36,961 INFO L82 PathProgramCache]: Analyzing trace with hash -489790808, now seen corresponding path program 6 times [2020-10-12 16:05:36,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:05:36,962 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1869146698] [2020-10-12 16:05:36,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:05:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:36,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:37,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:37,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 53 [2020-10-12 16:05:37,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:37,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 171 [2020-10-12 16:05:37,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:37,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 16:05:37,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:05:37,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-10-12 16:05:37,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:37,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:05:37,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:37,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:37,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:37,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:05:37,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:37,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:05:37,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:37,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:05:37,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:37,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:05:37,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:37,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 16:05:37,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:37,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:37,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:37,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:37,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:37,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:05:37,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:37,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:37,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:37,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:37,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:37,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 16:05:37,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:37,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:37,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:37,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:37,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:37,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:05:37,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:37,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:37,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:37,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:37,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:37,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 16:05:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:37,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:37,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:37,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:37,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:37,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:05:37,264 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:37,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:37,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:37,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:37,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:05:37,271 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 16 proven. 20 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-12 16:05:37,271 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1869146698] [2020-10-12 16:05:37,272 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:05:37,272 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-12 16:05:37,272 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380740229] [2020-10-12 16:05:37,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-12 16:05:37,273 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:05:37,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-12 16:05:37,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2020-10-12 16:05:37,274 INFO L87 Difference]: Start difference. First operand 42 states and 43 transitions. Second operand 13 states. [2020-10-12 16:05:37,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:05:37,473 INFO L93 Difference]: Finished difference Result 55 states and 57 transitions. [2020-10-12 16:05:37,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 16:05:37,473 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 39 [2020-10-12 16:05:37,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:05:37,475 INFO L225 Difference]: With dead ends: 55 [2020-10-12 16:05:37,475 INFO L226 Difference]: Without dead ends: 53 [2020-10-12 16:05:37,476 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=120, Invalid=300, Unknown=0, NotChecked=0, Total=420 [2020-10-12 16:05:37,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-12 16:05:37,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 49. [2020-10-12 16:05:37,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-12 16:05:37,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 50 transitions. [2020-10-12 16:05:37,484 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 50 transitions. Word has length 39 [2020-10-12 16:05:37,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:05:37,484 INFO L479 AbstractCegarLoop]: Abstraction has 49 states and 50 transitions. [2020-10-12 16:05:37,485 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-12 16:05:37,485 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 50 transitions. [2020-10-12 16:05:37,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-10-12 16:05:37,486 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:05:37,486 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:05:37,486 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 16:05:37,487 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:05:37,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:05:37,487 INFO L82 PathProgramCache]: Analyzing trace with hash 1532557543, now seen corresponding path program 7 times [2020-10-12 16:05:37,487 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:05:37,488 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1551882936] [2020-10-12 16:05:37,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:05:37,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:37,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:37,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:37,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 62 [2020-10-12 16:05:37,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:37,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 246 [2020-10-12 16:05:37,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:37,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 15 [2020-10-12 16:05:37,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:05:37,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-12 16:05:37,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:37,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:05:37,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:37,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:37,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:37,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:05:37,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:37,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:05:37,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:37,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:05:37,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:37,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:05:37,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:37,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-12 16:05:37,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:37,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:37,976 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:37,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:37,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:37,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:05:37,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:37,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:37,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:37,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:37,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:37,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 16:05:37,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:37,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:37,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:37,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:37,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:37,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:05:37,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:37,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:37,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:37,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:37,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:37,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 16:05:37,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:37,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:37,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:37,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:37,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:37,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:05:37,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:37,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:37,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:37,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:37,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:38,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 16:05:38,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:38,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:38,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:38,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:38,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:38,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:05:38,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:38,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:38,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:38,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:38,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:38,017 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 30 proven. 19 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-12 16:05:38,018 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1551882936] [2020-10-12 16:05:38,018 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:05:38,018 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-12 16:05:38,019 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941187607] [2020-10-12 16:05:38,019 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-12 16:05:38,019 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:05:38,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-12 16:05:38,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2020-10-12 16:05:38,020 INFO L87 Difference]: Start difference. First operand 49 states and 50 transitions. Second operand 16 states. [2020-10-12 16:05:38,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:05:38,327 INFO L93 Difference]: Finished difference Result 85 states and 91 transitions. [2020-10-12 16:05:38,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-12 16:05:38,336 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 46 [2020-10-12 16:05:38,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:05:38,337 INFO L225 Difference]: With dead ends: 85 [2020-10-12 16:05:38,337 INFO L226 Difference]: Without dead ends: 59 [2020-10-12 16:05:38,338 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2020-10-12 16:05:38,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2020-10-12 16:05:38,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 50. [2020-10-12 16:05:38,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2020-10-12 16:05:38,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 51 transitions. [2020-10-12 16:05:38,346 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 51 transitions. Word has length 46 [2020-10-12 16:05:38,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:05:38,347 INFO L479 AbstractCegarLoop]: Abstraction has 50 states and 51 transitions. [2020-10-12 16:05:38,347 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-12 16:05:38,347 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 51 transitions. [2020-10-12 16:05:38,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-12 16:05:38,348 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:05:38,348 INFO L422 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:05:38,349 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 16:05:38,349 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:05:38,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:05:38,349 INFO L82 PathProgramCache]: Analyzing trace with hash -1077351098, now seen corresponding path program 8 times [2020-10-12 16:05:38,349 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:05:38,350 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1842138621] [2020-10-12 16:05:38,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:05:38,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:38,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:38,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:38,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 16:05:38,609 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:38,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 245 [2020-10-12 16:05:38,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:38,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 16:05:38,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:05:38,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-12 16:05:38,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:38,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:05:38,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:38,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:38,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:38,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:05:38,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:38,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:05:38,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:38,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:05:38,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:38,736 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:05:38,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:38,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 16:05:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:38,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:38,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:38,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:38,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:38,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:05:38,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:38,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:38,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:38,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:38,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:38,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 16:05:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:38,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:38,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:38,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:38,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:38,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:05:38,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:38,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:38,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:38,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:38,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:38,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 16:05:38,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:38,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:38,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:38,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:38,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:38,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:05:38,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:38,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:38,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:38,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:38,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:38,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 16:05:38,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:38,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:38,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:38,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:38,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:38,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:05:38,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:38,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:38,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:38,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:38,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:38,773 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 23 proven. 32 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-12 16:05:38,774 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1842138621] [2020-10-12 16:05:38,774 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:05:38,774 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-10-12 16:05:38,774 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786563781] [2020-10-12 16:05:38,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-10-12 16:05:38,775 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:05:38,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-10-12 16:05:38,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=158, Unknown=0, NotChecked=0, Total=210 [2020-10-12 16:05:38,776 INFO L87 Difference]: Start difference. First operand 50 states and 51 transitions. Second operand 15 states. [2020-10-12 16:05:39,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:05:39,018 INFO L93 Difference]: Finished difference Result 63 states and 65 transitions. [2020-10-12 16:05:39,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-12 16:05:39,019 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 47 [2020-10-12 16:05:39,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:05:39,020 INFO L225 Difference]: With dead ends: 63 [2020-10-12 16:05:39,020 INFO L226 Difference]: Without dead ends: 61 [2020-10-12 16:05:39,021 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=173, Invalid=427, Unknown=0, NotChecked=0, Total=600 [2020-10-12 16:05:39,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-10-12 16:05:39,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 57. [2020-10-12 16:05:39,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-10-12 16:05:39,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 58 transitions. [2020-10-12 16:05:39,029 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 58 transitions. Word has length 47 [2020-10-12 16:05:39,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:05:39,030 INFO L479 AbstractCegarLoop]: Abstraction has 57 states and 58 transitions. [2020-10-12 16:05:39,030 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-10-12 16:05:39,030 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 58 transitions. [2020-10-12 16:05:39,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-12 16:05:39,031 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:05:39,031 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:05:39,031 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 16:05:39,031 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:05:39,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:05:39,032 INFO L82 PathProgramCache]: Analyzing trace with hash 1346953353, now seen corresponding path program 9 times [2020-10-12 16:05:39,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:05:39,032 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1858017786] [2020-10-12 16:05:39,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:05:39,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:39,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:39,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:39,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 72 [2020-10-12 16:05:39,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:39,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 387 [2020-10-12 16:05:39,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:39,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-10-12 16:05:39,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:05:39,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-12 16:05:39,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:05:39,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:05:39,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:39,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:39,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:39,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:05:39,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:39,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:05:39,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:39,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:05:39,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:39,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:05:39,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:05:39,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 16:05:39,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:39,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:39,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:39,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:39,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:39,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:05:39,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:39,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:39,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:39,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:39,732 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:05:39,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 16:05:39,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:39,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:39,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:39,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:39,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:39,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:05:39,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:39,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:39,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:39,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:39,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:05:39,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 16:05:39,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:39,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:39,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:39,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:39,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:39,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:05:39,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:39,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:39,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:39,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:39,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:39,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 16:05:39,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:39,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:39,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:39,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:39,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:39,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:05:39,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:39,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:39,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:39,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:39,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:39,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 16:05:39,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:39,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:39,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:39,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:39,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:39,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:05:39,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:39,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:39,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:39,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:39,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:39,785 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 45 proven. 26 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-12 16:05:39,786 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1858017786] [2020-10-12 16:05:39,786 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:05:39,786 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-12 16:05:39,787 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281146021] [2020-10-12 16:05:39,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-12 16:05:39,787 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:05:39,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-12 16:05:39,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2020-10-12 16:05:39,788 INFO L87 Difference]: Start difference. First operand 57 states and 58 transitions. Second operand 18 states. [2020-10-12 16:05:40,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:05:40,004 INFO L93 Difference]: Finished difference Result 83 states and 90 transitions. [2020-10-12 16:05:40,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-12 16:05:40,005 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 54 [2020-10-12 16:05:40,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:05:40,006 INFO L225 Difference]: With dead ends: 83 [2020-10-12 16:05:40,006 INFO L226 Difference]: Without dead ends: 58 [2020-10-12 16:05:40,007 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=340, Unknown=0, NotChecked=0, Total=420 [2020-10-12 16:05:40,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2020-10-12 16:05:40,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2020-10-12 16:05:40,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-10-12 16:05:40,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 59 transitions. [2020-10-12 16:05:40,015 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 59 transitions. Word has length 54 [2020-10-12 16:05:40,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:05:40,015 INFO L479 AbstractCegarLoop]: Abstraction has 58 states and 59 transitions. [2020-10-12 16:05:40,015 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-12 16:05:40,016 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 59 transitions. [2020-10-12 16:05:40,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-12 16:05:40,016 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:05:40,017 INFO L422 BasicCegarLoop]: trace histogram [7, 6, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:05:40,017 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 16:05:40,017 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:05:40,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:05:40,017 INFO L82 PathProgramCache]: Analyzing trace with hash 350881256, now seen corresponding path program 10 times [2020-10-12 16:05:40,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:05:40,018 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1812462984] [2020-10-12 16:05:40,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:05:40,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:40,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:40,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:40,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 16:05:40,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:40,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 314 [2020-10-12 16:05:40,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:40,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-12 16:05:40,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:05:40,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 16:05:40,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:40,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:05:40,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:40,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:40,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:40,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:05:40,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:40,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:05:40,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:40,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:05:40,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:40,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:05:40,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:40,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 16:05:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:40,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:40,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:40,497 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:40,497 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:40,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:05:40,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:40,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:40,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:40,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:40,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:40,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:05:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:40,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:40,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:40,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:40,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:40,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:40,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:40,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:40,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:40,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:40,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:40,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 16:05:40,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:40,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:40,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:40,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:40,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:40,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:40,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:40,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:40,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:40,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:40,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:40,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 16:05:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:40,516 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:40,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:40,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:40,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:40,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:40,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:40,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:40,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:40,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:40,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:40,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 16:05:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:40,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:40,526 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:40,526 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:40,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:40,527 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:40,527 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:40,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:40,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:40,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:40,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:40,534 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 31 proven. 47 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-12 16:05:40,535 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1812462984] [2020-10-12 16:05:40,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:05:40,535 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-12 16:05:40,535 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1489592843] [2020-10-12 16:05:40,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-12 16:05:40,536 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:05:40,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-12 16:05:40,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=205, Unknown=0, NotChecked=0, Total=272 [2020-10-12 16:05:40,537 INFO L87 Difference]: Start difference. First operand 58 states and 59 transitions. Second operand 17 states. [2020-10-12 16:05:40,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:05:40,808 INFO L93 Difference]: Finished difference Result 71 states and 73 transitions. [2020-10-12 16:05:40,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-12 16:05:40,809 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 55 [2020-10-12 16:05:40,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:05:40,810 INFO L225 Difference]: With dead ends: 71 [2020-10-12 16:05:40,810 INFO L226 Difference]: Without dead ends: 69 [2020-10-12 16:05:40,811 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=236, Invalid=576, Unknown=0, NotChecked=0, Total=812 [2020-10-12 16:05:40,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2020-10-12 16:05:40,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 65. [2020-10-12 16:05:40,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2020-10-12 16:05:40,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 66 transitions. [2020-10-12 16:05:40,819 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 66 transitions. Word has length 55 [2020-10-12 16:05:40,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:05:40,819 INFO L479 AbstractCegarLoop]: Abstraction has 65 states and 66 transitions. [2020-10-12 16:05:40,819 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-12 16:05:40,819 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 66 transitions. [2020-10-12 16:05:40,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-10-12 16:05:40,820 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:05:40,820 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:05:40,821 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 16:05:40,821 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:05:40,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:05:40,821 INFO L82 PathProgramCache]: Analyzing trace with hash -54841945, now seen corresponding path program 11 times [2020-10-12 16:05:40,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:05:40,822 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1628584463] [2020-10-12 16:05:40,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:05:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:40,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:41,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:41,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-10-12 16:05:41,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:41,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 395 [2020-10-12 16:05:41,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:41,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 19 [2020-10-12 16:05:41,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:05:41,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 70 [2020-10-12 16:05:41,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:41,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:05:41,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:41,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:41,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:41,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:05:41,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:41,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:05:41,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:41,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:05:41,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:41,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:05:41,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:41,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-12 16:05:41,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:41,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:41,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:41,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:41,547 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:41,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:05:41,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:41,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:41,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:41,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:41,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:41,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:05:41,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:41,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:41,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:41,555 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:41,555 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:41,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:05:41,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:41,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:41,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:41,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:41,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:41,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 16:05:41,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:41,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:41,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:41,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:41,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:41,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:05:41,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:41,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:41,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:41,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:41,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:41,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 16:05:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:41,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:41,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:41,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:41,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:41,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:05:41,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:41,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:41,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:41,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:41,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:41,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 16:05:41,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:41,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:41,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:41,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:41,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:41,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:05:41,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:41,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:41,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:41,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:41,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:41,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 16:05:41,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:41,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:41,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:41,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:41,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:41,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:05:41,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:41,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:41,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:41,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:41,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:41,605 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 63 proven. 34 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-12 16:05:41,606 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1628584463] [2020-10-12 16:05:41,606 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:05:41,606 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-12 16:05:41,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955955457] [2020-10-12 16:05:41,607 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-12 16:05:41,607 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:05:41,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-12 16:05:41,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2020-10-12 16:05:41,608 INFO L87 Difference]: Start difference. First operand 65 states and 66 transitions. Second operand 20 states. [2020-10-12 16:05:42,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:05:42,071 INFO L93 Difference]: Finished difference Result 107 states and 115 transitions. [2020-10-12 16:05:42,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-12 16:05:42,072 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 62 [2020-10-12 16:05:42,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:05:42,073 INFO L225 Difference]: With dead ends: 107 [2020-10-12 16:05:42,073 INFO L226 Difference]: Without dead ends: 75 [2020-10-12 16:05:42,074 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 100 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=104, Invalid=708, Unknown=0, NotChecked=0, Total=812 [2020-10-12 16:05:42,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2020-10-12 16:05:42,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 66. [2020-10-12 16:05:42,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-10-12 16:05:42,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 67 transitions. [2020-10-12 16:05:42,082 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 67 transitions. Word has length 62 [2020-10-12 16:05:42,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:05:42,082 INFO L479 AbstractCegarLoop]: Abstraction has 66 states and 67 transitions. [2020-10-12 16:05:42,083 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-12 16:05:42,083 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 67 transitions. [2020-10-12 16:05:42,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-12 16:05:42,083 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:05:42,084 INFO L422 BasicCegarLoop]: trace histogram [8, 7, 7, 7, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:05:42,084 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-12 16:05:42,084 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:05:42,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:05:42,084 INFO L82 PathProgramCache]: Analyzing trace with hash 2043446278, now seen corresponding path program 12 times [2020-10-12 16:05:42,085 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:05:42,085 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1608366906] [2020-10-12 16:05:42,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:05:42,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:42,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:42,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:42,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 83 [2020-10-12 16:05:42,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:42,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 339 [2020-10-12 16:05:42,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:42,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-12 16:05:42,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:05:42,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-12 16:05:42,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:42,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:05:42,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:42,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:42,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:42,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:05:42,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:42,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:05:42,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:42,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:05:42,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:42,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:05:42,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:42,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 16:05:42,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:42,611 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:42,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:42,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:42,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:42,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:42,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:42,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:42,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:42,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:42,615 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:42,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 16:05:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:42,618 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:42,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:42,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:42,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:42,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:42,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:42,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:42,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:42,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:42,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:42,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 16:05:42,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:42,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:42,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:42,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:42,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:42,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:42,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:42,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:42,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:42,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:42,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:42,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 16:05:42,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:42,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:42,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:42,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:42,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:42,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:42,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:42,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:42,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:42,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:42,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:42,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 16:05:42,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:42,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:42,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:42,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:42,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:42,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:42,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:42,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:42,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:42,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:42,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:42,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-12 16:05:42,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:42,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:42,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:42,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:42,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:42,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:42,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:42,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:42,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:42,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:42,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:42,657 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 40 proven. 65 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-12 16:05:42,657 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1608366906] [2020-10-12 16:05:42,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:05:42,658 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-12 16:05:42,658 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202117160] [2020-10-12 16:05:42,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-12 16:05:42,659 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:05:42,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-12 16:05:42,659 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=84, Invalid=258, Unknown=0, NotChecked=0, Total=342 [2020-10-12 16:05:42,659 INFO L87 Difference]: Start difference. First operand 66 states and 67 transitions. Second operand 19 states. [2020-10-12 16:05:43,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:05:43,012 INFO L93 Difference]: Finished difference Result 79 states and 81 transitions. [2020-10-12 16:05:43,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-12 16:05:43,012 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 63 [2020-10-12 16:05:43,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:05:43,014 INFO L225 Difference]: With dead ends: 79 [2020-10-12 16:05:43,014 INFO L226 Difference]: Without dead ends: 77 [2020-10-12 16:05:43,015 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=309, Invalid=747, Unknown=0, NotChecked=0, Total=1056 [2020-10-12 16:05:43,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2020-10-12 16:05:43,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 73. [2020-10-12 16:05:43,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-10-12 16:05:43,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 74 transitions. [2020-10-12 16:05:43,023 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 74 transitions. Word has length 63 [2020-10-12 16:05:43,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:05:43,023 INFO L479 AbstractCegarLoop]: Abstraction has 73 states and 74 transitions. [2020-10-12 16:05:43,023 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-12 16:05:43,024 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 74 transitions. [2020-10-12 16:05:43,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-12 16:05:43,024 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:05:43,024 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:05:43,025 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-12 16:05:43,025 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:05:43,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:05:43,025 INFO L82 PathProgramCache]: Analyzing trace with hash -1240321591, now seen corresponding path program 13 times [2020-10-12 16:05:43,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:05:43,026 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [918898946] [2020-10-12 16:05:43,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:05:43,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:43,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:43,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:43,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 92 [2020-10-12 16:05:43,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:43,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 448 [2020-10-12 16:05:43,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:43,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 21 [2020-10-12 16:05:43,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:05:43,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-10-12 16:05:43,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:43,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:05:43,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:43,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:43,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:43,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:05:43,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:43,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:05:43,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:43,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:05:43,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:43,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:05:43,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:43,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 16:05:43,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:43,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:43,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:43,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:43,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:43,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:05:43,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:43,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:43,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:43,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:43,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:43,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 16:05:43,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:43,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:43,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:43,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:43,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:43,772 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:05:43,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:43,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:43,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:43,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:43,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:43,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 16:05:43,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:43,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:43,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:43,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:43,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:43,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:05:43,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:43,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:43,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:43,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:43,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:43,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 16:05:43,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:43,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:43,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:43,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:43,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:43,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:05:43,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:43,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:43,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:43,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:43,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:05:43,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 16:05:43,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:43,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:43,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:43,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:43,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:43,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:05:43,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:43,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:43,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:43,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:43,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:05:43,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-12 16:05:43,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:43,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:43,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:43,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:43,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:43,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:05:43,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:43,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:43,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:43,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:43,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:43,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:05:43,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:43,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:43,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:43,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:43,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:43,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:05:43,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:43,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:43,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:43,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:43,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:43,846 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 84 proven. 43 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-12 16:05:43,847 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [918898946] [2020-10-12 16:05:43,850 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:05:43,850 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-12 16:05:43,851 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76990889] [2020-10-12 16:05:43,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-12 16:05:43,853 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:05:43,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-12 16:05:43,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=357, Unknown=0, NotChecked=0, Total=462 [2020-10-12 16:05:43,853 INFO L87 Difference]: Start difference. First operand 73 states and 74 transitions. Second operand 22 states. [2020-10-12 16:05:44,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:05:44,149 INFO L93 Difference]: Finished difference Result 105 states and 114 transitions. [2020-10-12 16:05:44,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-12 16:05:44,150 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 70 [2020-10-12 16:05:44,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:05:44,151 INFO L225 Difference]: With dead ends: 105 [2020-10-12 16:05:44,151 INFO L226 Difference]: Without dead ends: 74 [2020-10-12 16:05:44,152 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=124, Invalid=476, Unknown=0, NotChecked=0, Total=600 [2020-10-12 16:05:44,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-10-12 16:05:44,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2020-10-12 16:05:44,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-10-12 16:05:44,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 75 transitions. [2020-10-12 16:05:44,168 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 75 transitions. Word has length 70 [2020-10-12 16:05:44,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:05:44,169 INFO L479 AbstractCegarLoop]: Abstraction has 74 states and 75 transitions. [2020-10-12 16:05:44,169 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-12 16:05:44,169 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 75 transitions. [2020-10-12 16:05:44,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2020-10-12 16:05:44,174 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:05:44,174 INFO L422 BasicCegarLoop]: trace histogram [9, 8, 8, 8, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:05:44,174 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-12 16:05:44,175 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:05:44,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:05:44,175 INFO L82 PathProgramCache]: Analyzing trace with hash -1798129368, now seen corresponding path program 14 times [2020-10-12 16:05:44,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:05:44,176 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [290909402] [2020-10-12 16:05:44,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:05:44,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:44,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:44,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:44,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-12 16:05:44,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:44,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 457 [2020-10-12 16:05:44,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:44,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-12 16:05:44,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:05:44,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 81 [2020-10-12 16:05:44,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:44,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:05:44,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:44,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:44,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:44,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:05:44,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:44,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:05:44,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:44,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:05:44,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:44,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:05:44,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:44,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:05:44,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:44,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:44,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:44,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:44,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:44,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:44,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:44,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:44,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:44,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:44,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:44,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 16:05:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:44,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:44,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:44,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:44,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:44,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:05:44,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:44,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:44,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:44,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:44,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:44,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:05:44,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:44,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:44,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:44,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:44,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:44,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:44,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:44,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:44,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:44,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:44,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:44,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 16:05:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:44,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:44,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:44,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:44,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:44,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:44,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:44,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:44,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:44,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:44,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:44,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 16:05:44,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:44,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:44,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:44,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:44,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:44,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:44,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:44,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:44,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:44,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:44,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:44,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 16:05:44,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:44,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:44,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:44,915 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:44,915 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:44,915 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:44,915 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:44,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:44,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:44,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:44,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:44,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 16:05:44,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:44,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:44,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:44,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:44,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:44,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:44,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:44,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:44,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:44,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:44,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:44,931 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 50 proven. 86 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-12 16:05:44,932 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [290909402] [2020-10-12 16:05:44,933 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:05:44,933 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-10-12 16:05:44,933 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592271083] [2020-10-12 16:05:44,934 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-10-12 16:05:44,934 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:05:44,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-10-12 16:05:44,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2020-10-12 16:05:44,935 INFO L87 Difference]: Start difference. First operand 74 states and 75 transitions. Second operand 21 states. [2020-10-12 16:05:45,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:05:45,321 INFO L93 Difference]: Finished difference Result 87 states and 89 transitions. [2020-10-12 16:05:45,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-12 16:05:45,322 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 71 [2020-10-12 16:05:45,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:05:45,323 INFO L225 Difference]: With dead ends: 87 [2020-10-12 16:05:45,323 INFO L226 Difference]: Without dead ends: 85 [2020-10-12 16:05:45,324 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=392, Invalid=940, Unknown=0, NotChecked=0, Total=1332 [2020-10-12 16:05:45,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2020-10-12 16:05:45,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 81. [2020-10-12 16:05:45,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-12 16:05:45,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 82 transitions. [2020-10-12 16:05:45,334 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 82 transitions. Word has length 71 [2020-10-12 16:05:45,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:05:45,334 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 82 transitions. [2020-10-12 16:05:45,334 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-10-12 16:05:45,334 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 82 transitions. [2020-10-12 16:05:45,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2020-10-12 16:05:45,338 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:05:45,338 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:05:45,338 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-12 16:05:45,338 INFO L427 AbstractCegarLoop]: === Iteration 18 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:05:45,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:05:45,339 INFO L82 PathProgramCache]: Analyzing trace with hash -1300344217, now seen corresponding path program 15 times [2020-10-12 16:05:45,339 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:05:45,339 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1373958209] [2020-10-12 16:05:45,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:05:45,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:45,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:45,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:45,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-12 16:05:45,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:45,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 618 [2020-10-12 16:05:45,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:45,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 23 [2020-10-12 16:05:45,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:05:45,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 90 [2020-10-12 16:05:45,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:46,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:05:46,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:46,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:46,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:46,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:05:46,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:46,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:05:46,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:46,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:05:46,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:46,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:05:46,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:46,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-12 16:05:46,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:46,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:46,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:46,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:46,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:46,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:05:46,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:46,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:46,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:46,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:46,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:46,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 16:05:46,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:46,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:46,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:46,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:46,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:46,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:05:46,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:46,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:46,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:46,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:46,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:46,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:05:46,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:46,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:46,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:46,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:46,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:46,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:05:46,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:46,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:46,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:46,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:46,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:46,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 16:05:46,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:46,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:46,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:46,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:46,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:46,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:05:46,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:46,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:46,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:46,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:46,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:46,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 16:05:46,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:46,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:46,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:46,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:46,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:46,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:46,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:46,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:46,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:46,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:46,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:46,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 16:05:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:46,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:46,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:46,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:46,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:46,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:05:46,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:46,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:46,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:46,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:46,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:46,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 16:05:46,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:46,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:46,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:46,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:46,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:46,377 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:05:46,377 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:46,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:46,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:46,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:46,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:46,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 16:05:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:46,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:46,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:46,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:46,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:46,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:05:46,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:46,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:46,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:46,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:46,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:46,401 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 108 proven. 53 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-12 16:05:46,402 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1373958209] [2020-10-12 16:05:46,402 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:05:46,402 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-12 16:05:46,407 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098590832] [2020-10-12 16:05:46,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-12 16:05:46,410 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:05:46,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-12 16:05:46,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2020-10-12 16:05:46,411 INFO L87 Difference]: Start difference. First operand 81 states and 82 transitions. Second operand 24 states. [2020-10-12 16:05:46,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:05:46,836 INFO L93 Difference]: Finished difference Result 116 states and 126 transitions. [2020-10-12 16:05:46,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-12 16:05:46,837 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 78 [2020-10-12 16:05:46,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:05:46,838 INFO L225 Difference]: With dead ends: 116 [2020-10-12 16:05:46,838 INFO L226 Difference]: Without dead ends: 82 [2020-10-12 16:05:46,839 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=137, Invalid=565, Unknown=0, NotChecked=0, Total=702 [2020-10-12 16:05:46,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-10-12 16:05:46,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2020-10-12 16:05:46,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-10-12 16:05:46,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 83 transitions. [2020-10-12 16:05:46,847 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 83 transitions. Word has length 78 [2020-10-12 16:05:46,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:05:46,847 INFO L479 AbstractCegarLoop]: Abstraction has 82 states and 83 transitions. [2020-10-12 16:05:46,848 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-12 16:05:46,848 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 83 transitions. [2020-10-12 16:05:46,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-12 16:05:46,848 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:05:46,849 INFO L422 BasicCegarLoop]: trace histogram [10, 9, 9, 9, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:05:46,849 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-12 16:05:46,849 INFO L427 AbstractCegarLoop]: === Iteration 19 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:05:46,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:05:46,849 INFO L82 PathProgramCache]: Analyzing trace with hash -315815226, now seen corresponding path program 16 times [2020-10-12 16:05:46,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:05:46,850 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1851313211] [2020-10-12 16:05:46,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:05:46,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:46,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:47,303 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:47,303 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 103 [2020-10-12 16:05:47,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:47,304 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 437 [2020-10-12 16:05:47,304 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:47,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-12 16:05:47,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:05:47,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 91 [2020-10-12 16:05:47,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:47,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:05:47,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:47,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:47,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:47,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:05:47,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:47,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:05:47,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:47,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:05:47,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:47,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:05:47,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:47,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 16:05:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:47,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:47,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:47,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:47,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:47,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:47,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:47,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:47,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:47,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:47,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:47,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:05:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:47,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:47,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:47,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:47,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:47,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:47,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:47,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:47,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:47,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:47,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:47,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 16:05:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:47,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:47,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:47,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:47,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:47,567 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:47,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:47,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:47,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:47,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:47,568 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:47,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 16:05:47,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:47,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:47,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:47,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:47,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:47,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:47,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:47,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:47,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:47,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:47,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:47,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 16:05:47,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:47,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:47,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:47,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:47,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:47,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:47,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:47,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:47,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:47,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:47,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:47,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 16:05:47,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:47,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:47,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:47,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:47,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:47,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:47,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:47,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:47,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:47,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:47,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:47,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 16:05:47,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:47,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:47,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:47,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:47,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:47,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:47,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:47,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:47,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:47,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:47,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:47,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:05:47,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:47,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:47,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:47,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:47,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:47,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:47,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:47,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:47,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:47,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:47,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:47,609 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 61 proven. 110 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-12 16:05:47,609 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1851313211] [2020-10-12 16:05:47,610 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:05:47,610 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-10-12 16:05:47,610 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968631515] [2020-10-12 16:05:47,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-10-12 16:05:47,612 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:05:47,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-10-12 16:05:47,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=382, Unknown=0, NotChecked=0, Total=506 [2020-10-12 16:05:47,613 INFO L87 Difference]: Start difference. First operand 82 states and 83 transitions. Second operand 23 states. [2020-10-12 16:05:48,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:05:48,079 INFO L93 Difference]: Finished difference Result 95 states and 97 transitions. [2020-10-12 16:05:48,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-12 16:05:48,079 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 79 [2020-10-12 16:05:48,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:05:48,080 INFO L225 Difference]: With dead ends: 95 [2020-10-12 16:05:48,081 INFO L226 Difference]: Without dead ends: 93 [2020-10-12 16:05:48,082 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 326 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=485, Invalid=1155, Unknown=0, NotChecked=0, Total=1640 [2020-10-12 16:05:48,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-10-12 16:05:48,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 89. [2020-10-12 16:05:48,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2020-10-12 16:05:48,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 90 transitions. [2020-10-12 16:05:48,093 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 90 transitions. Word has length 79 [2020-10-12 16:05:48,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:05:48,093 INFO L479 AbstractCegarLoop]: Abstraction has 89 states and 90 transitions. [2020-10-12 16:05:48,094 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-10-12 16:05:48,094 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 90 transitions. [2020-10-12 16:05:48,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2020-10-12 16:05:48,095 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:05:48,095 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:05:48,095 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-12 16:05:48,095 INFO L427 AbstractCegarLoop]: === Iteration 20 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:05:48,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:05:48,096 INFO L82 PathProgramCache]: Analyzing trace with hash 2098238217, now seen corresponding path program 17 times [2020-10-12 16:05:48,096 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:05:48,096 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2052575655] [2020-10-12 16:05:48,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:05:48,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:48,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:48,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:48,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 112 [2020-10-12 16:05:48,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:48,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 530 [2020-10-12 16:05:48,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:48,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 25 [2020-10-12 16:05:48,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:05:48,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-12 16:05:48,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:49,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:05:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:49,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:49,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:49,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:05:49,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:49,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:05:49,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:49,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:05:49,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:49,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:05:49,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 16:05:49,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 16:05:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:49,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:49,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:49,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:49,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:49,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:49,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:49,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:49,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:49,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:49,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:49,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:05:49,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:49,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:49,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:49,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:49,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:49,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:05:49,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:49,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:49,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:49,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:49,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:49,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 16:05:49,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:49,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:49,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:49,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:49,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:49,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:49,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:49,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:49,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:49,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:49,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:49,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 16:05:49,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:49,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:49,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:49,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:49,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:49,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:05:49,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:49,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:49,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:49,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:49,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:49,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 16:05:49,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:49,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:49,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:49,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:49,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:49,126 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:49,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:49,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:49,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:49,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:49,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:49,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 16:05:49,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:49,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:49,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:49,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:49,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:49,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:05:49,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:49,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:49,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:49,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:49,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:49,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 16:05:49,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:49,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:49,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:49,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:49,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:49,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 16:05:49,153 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:49,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:49,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:49,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:49,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:49,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:05:49,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:49,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:49,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:49,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:49,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:49,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:49,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:49,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:49,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:49,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:49,162 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:49,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 16:05:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:49,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:49,170 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:49,170 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:49,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:49,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:05:49,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:49,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:49,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:49,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:49,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:49,187 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 135 proven. 64 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-12 16:05:49,187 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2052575655] [2020-10-12 16:05:49,187 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:05:49,188 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-10-12 16:05:49,188 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4041535] [2020-10-12 16:05:49,189 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-12 16:05:49,189 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:05:49,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-12 16:05:49,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=537, Unknown=0, NotChecked=0, Total=650 [2020-10-12 16:05:49,190 INFO L87 Difference]: Start difference. First operand 89 states and 90 transitions. Second operand 26 states. [2020-10-12 16:05:49,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:05:49,647 INFO L93 Difference]: Finished difference Result 127 states and 138 transitions. [2020-10-12 16:05:49,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-12 16:05:49,647 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 86 [2020-10-12 16:05:49,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:05:49,648 INFO L225 Difference]: With dead ends: 127 [2020-10-12 16:05:49,649 INFO L226 Difference]: Without dead ends: 90 [2020-10-12 16:05:49,650 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=146, Invalid=846, Unknown=0, NotChecked=0, Total=992 [2020-10-12 16:05:49,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-10-12 16:05:49,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2020-10-12 16:05:49,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2020-10-12 16:05:49,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 91 transitions. [2020-10-12 16:05:49,659 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 91 transitions. Word has length 86 [2020-10-12 16:05:49,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:05:49,659 INFO L479 AbstractCegarLoop]: Abstraction has 90 states and 91 transitions. [2020-10-12 16:05:49,659 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-12 16:05:49,659 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 91 transitions. [2020-10-12 16:05:49,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-10-12 16:05:49,660 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:05:49,660 INFO L422 BasicCegarLoop]: trace histogram [11, 10, 10, 10, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:05:49,660 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-12 16:05:49,661 INFO L427 AbstractCegarLoop]: === Iteration 21 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:05:49,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:05:49,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1592556648, now seen corresponding path program 18 times [2020-10-12 16:05:49,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:05:49,661 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [7169957] [2020-10-12 16:05:49,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:05:49,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:49,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:50,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:50,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 113 [2020-10-12 16:05:50,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:50,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 587 [2020-10-12 16:05:50,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:50,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-12 16:05:50,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:05:50,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-10-12 16:05:50,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:50,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:05:50,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:50,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:50,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:50,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:05:50,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:50,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:05:50,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:50,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:05:50,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:50,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:05:50,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:05:50,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 16:05:50,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:50,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:50,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:50,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:50,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:50,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:05:50,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:50,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:50,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:50,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:50,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:50,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 16:05:50,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:50,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:50,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:50,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:50,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:50,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:05:50,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:50,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:50,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:50,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:50,571 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:50,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 16:05:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:50,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:50,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:50,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:50,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:50,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:50,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:50,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:50,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:50,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:50,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:05:50,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:05:50,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:50,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:50,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:50,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:50,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:50,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 16:05:50,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:50,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:50,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:50,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:50,593 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:05:50,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 16:05:50,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:50,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:50,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:50,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:50,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:50,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:05:50,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:50,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:50,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:50,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:50,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:05:50,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 16:05:50,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:50,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:50,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:50,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:50,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:50,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:50,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:50,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:50,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:50,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:50,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:05:50,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-12 16:05:50,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:50,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:50,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:50,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:50,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:50,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:50,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:50,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:50,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:50,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:50,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:05:50,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 16:05:50,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:50,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:50,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:50,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:50,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:50,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:50,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:50,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:50,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:50,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:50,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:05:50,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-12 16:05:50,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:50,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:50,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:50,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:50,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:50,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:50,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:50,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:50,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:50,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:50,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:05:50,659 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 73 proven. 137 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-12 16:05:50,660 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [7169957] [2020-10-12 16:05:50,660 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:05:50,660 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-10-12 16:05:50,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620706633] [2020-10-12 16:05:50,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-10-12 16:05:50,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:05:50,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-10-12 16:05:50,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=453, Unknown=0, NotChecked=0, Total=600 [2020-10-12 16:05:50,663 INFO L87 Difference]: Start difference. First operand 90 states and 91 transitions. Second operand 25 states. [2020-10-12 16:05:51,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:05:51,267 INFO L93 Difference]: Finished difference Result 103 states and 105 transitions. [2020-10-12 16:05:51,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-12 16:05:51,267 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 87 [2020-10-12 16:05:51,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:05:51,270 INFO L225 Difference]: With dead ends: 103 [2020-10-12 16:05:51,271 INFO L226 Difference]: Without dead ends: 101 [2020-10-12 16:05:51,272 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=588, Invalid=1392, Unknown=0, NotChecked=0, Total=1980 [2020-10-12 16:05:51,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-10-12 16:05:51,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 97. [2020-10-12 16:05:51,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-10-12 16:05:51,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 98 transitions. [2020-10-12 16:05:51,281 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 98 transitions. Word has length 87 [2020-10-12 16:05:51,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:05:51,281 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 98 transitions. [2020-10-12 16:05:51,281 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-10-12 16:05:51,282 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 98 transitions. [2020-10-12 16:05:51,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-12 16:05:51,283 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:05:51,283 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:05:51,283 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-12 16:05:51,283 INFO L427 AbstractCegarLoop]: === Iteration 22 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:05:51,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:05:51,284 INFO L82 PathProgramCache]: Analyzing trace with hash -2017564889, now seen corresponding path program 19 times [2020-10-12 16:05:51,284 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:05:51,285 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1671927796] [2020-10-12 16:05:51,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:05:51,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:51,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:51,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:51,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 122 [2020-10-12 16:05:51,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:51,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 664 [2020-10-12 16:05:51,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:51,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 27 [2020-10-12 16:05:51,972 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:05:51,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 110 [2020-10-12 16:05:51,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:05:52,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:05:52,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:52,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:52,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:52,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:05:52,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:52,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:05:52,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:52,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:05:52,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:52,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:05:52,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 16:05:52,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-12 16:05:52,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:52,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:52,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:52,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:52,538 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:52,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:05:52,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:52,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:52,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:52,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:52,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:52,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 16:05:52,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:52,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:52,546 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:52,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:52,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:52,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:52,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:52,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:52,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:52,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:52,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:52,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 16:05:52,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:52,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:52,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:52,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:52,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:52,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:52,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:52,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:52,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:52,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:52,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:52,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:05:52,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:52,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:52,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:52,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:52,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:52,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:52,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:52,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:52,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:52,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:52,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:52,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 16:05:52,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:52,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:52,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:52,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:52,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:52,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:52,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:52,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:52,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:52,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:52,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:52,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 16:05:52,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:52,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:52,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:52,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:52,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:52,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:52,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:52,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:52,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:52,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:52,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:52,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-12 16:05:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:52,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:52,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:52,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:52,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:52,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:52,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:52,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:52,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:52,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:52,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:52,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 16:05:52,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:52,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:52,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:52,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:52,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:52,597 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:05:52,597 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:52,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:52,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:52,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:52,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:52,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-12 16:05:52,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:52,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:52,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:52,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:52,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:52,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:52,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:52,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:52,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:52,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:52,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:52,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-12 16:05:52,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:52,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:52,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:52,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:52,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:52,613 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:52,613 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:52,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:52,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:52,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:52,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:52,633 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 165 proven. 76 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2020-10-12 16:05:52,633 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1671927796] [2020-10-12 16:05:52,633 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:05:52,634 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-12 16:05:52,634 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573420190] [2020-10-12 16:05:52,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-12 16:05:52,634 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:05:52,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-12 16:05:52,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=593, Unknown=0, NotChecked=0, Total=756 [2020-10-12 16:05:52,635 INFO L87 Difference]: Start difference. First operand 97 states and 98 transitions. Second operand 28 states. [2020-10-12 16:05:53,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:05:53,096 INFO L93 Difference]: Finished difference Result 138 states and 150 transitions. [2020-10-12 16:05:53,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-12 16:05:53,098 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 94 [2020-10-12 16:05:53,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:05:53,100 INFO L225 Difference]: With dead ends: 138 [2020-10-12 16:05:53,100 INFO L226 Difference]: Without dead ends: 98 [2020-10-12 16:05:53,101 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 192 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=185, Invalid=745, Unknown=0, NotChecked=0, Total=930 [2020-10-12 16:05:53,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-10-12 16:05:53,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2020-10-12 16:05:53,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-10-12 16:05:53,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 99 transitions. [2020-10-12 16:05:53,113 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 99 transitions. Word has length 94 [2020-10-12 16:05:53,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:05:53,114 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 99 transitions. [2020-10-12 16:05:53,114 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-12 16:05:53,114 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 99 transitions. [2020-10-12 16:05:53,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-10-12 16:05:53,115 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:05:53,115 INFO L422 BasicCegarLoop]: trace histogram [12, 11, 11, 11, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:05:53,115 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-12 16:05:53,116 INFO L427 AbstractCegarLoop]: === Iteration 23 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:05:53,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:05:53,116 INFO L82 PathProgramCache]: Analyzing trace with hash -1392082554, now seen corresponding path program 20 times [2020-10-12 16:05:53,116 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:05:53,122 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [23105798] [2020-10-12 16:05:53,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:05:53,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:53,171 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:53,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:53,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-12 16:05:53,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:53,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 717 [2020-10-12 16:05:53,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:53,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-12 16:05:53,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:05:53,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-12 16:05:53,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:05:54,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:05:54,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:54,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:54,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:54,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:05:54,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:54,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:05:54,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:54,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:05:54,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:54,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:05:54,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:05:54,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 16:05:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:54,318 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:54,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:54,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:54,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:54,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:54,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:54,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:54,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:54,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:54,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:05:54,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 16:05:54,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:54,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:54,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:54,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:54,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:54,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:54,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:54,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:54,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:54,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:54,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:05:54,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 16:05:54,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:54,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:54,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:54,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:54,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:54,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:54,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:54,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:54,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:54,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:54,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:05:54,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 16:05:54,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:54,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:54,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:54,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:54,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:54,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:05:54,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:54,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:54,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:54,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:54,348 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:05:54,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 16:05:54,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:54,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:54,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:54,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:54,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:54,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:05:54,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:54,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:54,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:54,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:54,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:05:54,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 16:05:54,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:54,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:54,363 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:54,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:54,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:54,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:54,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:54,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:54,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:54,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:54,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:05:54,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-12 16:05:54,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:54,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:54,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:54,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:54,372 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:54,372 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:54,372 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:54,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:54,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:54,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:54,374 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:05:54,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-12 16:05:54,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:54,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:54,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:54,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:54,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:54,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:54,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:54,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:54,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:54,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:54,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:05:54,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:05:54,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:54,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:54,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:54,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:54,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:54,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:54,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:54,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:54,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:54,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:54,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:54,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-12 16:05:54,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:54,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:54,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:54,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:54,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:54,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:05:54,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:54,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:54,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:54,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:54,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:05:54,414 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 86 proven. 167 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2020-10-12 16:05:54,417 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [23105798] [2020-10-12 16:05:54,422 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:05:54,422 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2020-10-12 16:05:54,424 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789850289] [2020-10-12 16:05:54,425 INFO L459 AbstractCegarLoop]: Interpolant automaton has 27 states [2020-10-12 16:05:54,426 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:05:54,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2020-10-12 16:05:54,427 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=530, Unknown=0, NotChecked=0, Total=702 [2020-10-12 16:05:54,427 INFO L87 Difference]: Start difference. First operand 98 states and 99 transitions. Second operand 27 states. [2020-10-12 16:05:55,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:05:55,267 INFO L93 Difference]: Finished difference Result 111 states and 113 transitions. [2020-10-12 16:05:55,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-12 16:05:55,268 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 95 [2020-10-12 16:05:55,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:05:55,270 INFO L225 Difference]: With dead ends: 111 [2020-10-12 16:05:55,270 INFO L226 Difference]: Without dead ends: 109 [2020-10-12 16:05:55,272 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 486 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=701, Invalid=1651, Unknown=0, NotChecked=0, Total=2352 [2020-10-12 16:05:55,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-10-12 16:05:55,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 105. [2020-10-12 16:05:55,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2020-10-12 16:05:55,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 106 transitions. [2020-10-12 16:05:55,284 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 106 transitions. Word has length 95 [2020-10-12 16:05:55,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:05:55,285 INFO L479 AbstractCegarLoop]: Abstraction has 105 states and 106 transitions. [2020-10-12 16:05:55,285 INFO L480 AbstractCegarLoop]: Interpolant automaton has 27 states. [2020-10-12 16:05:55,285 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 106 transitions. [2020-10-12 16:05:55,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-10-12 16:05:55,286 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:05:55,286 INFO L422 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:05:55,286 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-12 16:05:55,286 INFO L427 AbstractCegarLoop]: === Iteration 24 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:05:55,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:05:55,287 INFO L82 PathProgramCache]: Analyzing trace with hash -1700264887, now seen corresponding path program 21 times [2020-10-12 16:05:55,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:05:55,287 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [349559314] [2020-10-12 16:05:55,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:05:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:55,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:56,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:56,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 132 [2020-10-12 16:05:56,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:56,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 747 [2020-10-12 16:05:56,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:56,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 29 [2020-10-12 16:05:56,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:05:56,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 120 [2020-10-12 16:05:56,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:56,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:05:56,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:56,617 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:56,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:56,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:05:56,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:56,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:05:56,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:56,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:05:56,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:56,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:05:56,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:56,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 16:05:56,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:56,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:56,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:56,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:56,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:56,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:56,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:56,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:56,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:56,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:56,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:56,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 16:05:56,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:56,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:56,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:56,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:56,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:56,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:56,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:56,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:56,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:56,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:56,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:56,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 16:05:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:56,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:56,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:56,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:56,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:56,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:56,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:56,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:56,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:56,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:56,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:56,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 16:05:56,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:56,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:56,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:56,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:56,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:56,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:56,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:56,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:56,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:56,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:56,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:56,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 16:05:56,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:56,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:56,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:56,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:56,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:56,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:56,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:56,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:56,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:56,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:56,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:56,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 16:05:56,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:56,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:56,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:56,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:56,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:56,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:56,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:56,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:56,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:56,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:56,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:56,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-12 16:05:56,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:56,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:56,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:56,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:56,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:56,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:56,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:56,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:56,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:56,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:56,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:56,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-12 16:05:56,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:56,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:56,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:56,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:56,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:56,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:56,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:56,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:56,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:56,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:56,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:56,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:05:56,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:56,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:56,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:56,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:56,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:56,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:56,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:56,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:56,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:56,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:56,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:56,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-12 16:05:56,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:56,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:56,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:56,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:56,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:56,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:56,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:56,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:56,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:56,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:56,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:56,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 16:05:56,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:56,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:56,687 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:56,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:56,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:56,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:56,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:56,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:56,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:56,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:56,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:56,706 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 198 proven. 89 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-10-12 16:05:56,707 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [349559314] [2020-10-12 16:05:56,707 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:05:56,707 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-12 16:05:56,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336167710] [2020-10-12 16:05:56,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-12 16:05:56,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:05:56,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-12 16:05:56,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=691, Unknown=0, NotChecked=0, Total=870 [2020-10-12 16:05:56,709 INFO L87 Difference]: Start difference. First operand 105 states and 106 transitions. Second operand 30 states. [2020-10-12 16:05:57,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:05:57,359 INFO L93 Difference]: Finished difference Result 149 states and 162 transitions. [2020-10-12 16:05:57,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-12 16:05:57,359 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 102 [2020-10-12 16:05:57,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:05:57,361 INFO L225 Difference]: With dead ends: 149 [2020-10-12 16:05:57,361 INFO L226 Difference]: Without dead ends: 106 [2020-10-12 16:05:57,364 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=202, Invalid=854, Unknown=0, NotChecked=0, Total=1056 [2020-10-12 16:05:57,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-10-12 16:05:57,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2020-10-12 16:05:57,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-10-12 16:05:57,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 107 transitions. [2020-10-12 16:05:57,378 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 107 transitions. Word has length 102 [2020-10-12 16:05:57,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:05:57,378 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 107 transitions. [2020-10-12 16:05:57,378 INFO L480 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-12 16:05:57,378 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 107 transitions. [2020-10-12 16:05:57,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-10-12 16:05:57,379 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:05:57,379 INFO L422 BasicCegarLoop]: trace histogram [13, 12, 12, 12, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:05:57,380 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-12 16:05:57,380 INFO L427 AbstractCegarLoop]: === Iteration 25 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:05:57,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:05:57,380 INFO L82 PathProgramCache]: Analyzing trace with hash -258256984, now seen corresponding path program 22 times [2020-10-12 16:05:57,380 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:05:57,381 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1856054808] [2020-10-12 16:05:57,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:05:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:57,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:58,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:58,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-12 16:05:58,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:58,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 693 [2020-10-12 16:05:58,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:58,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-12 16:05:58,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:05:58,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-12 16:05:58,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:58,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:05:58,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:58,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:58,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:58,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:05:58,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:58,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:05:58,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:58,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:05:58,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:58,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:05:58,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:58,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 16:05:58,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:58,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:58,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:58,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:58,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:58,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:05:58,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:58,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:58,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:58,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:58,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:58,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 16:05:58,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:58,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:58,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:58,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:58,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:58,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:05:58,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:58,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:58,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:58,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:58,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:58,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 16:05:58,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:58,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:58,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:58,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:58,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:58,513 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:05:58,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:58,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:58,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:58,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:58,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:58,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 16:05:58,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:58,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:58,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:58,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:58,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:58,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:58,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:58,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:58,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:58,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:58,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:58,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:05:58,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:58,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:58,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:58,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:58,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:58,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:05:58,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:58,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:58,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:58,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:58,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:58,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 16:05:58,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:58,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:58,530 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:58,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:58,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:58,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:58,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:58,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:58,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:58,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:58,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:05:58,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 16:05:58,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:58,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:58,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:58,538 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:58,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:58,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:58,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:58,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:58,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:58,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:58,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:58,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 16:05:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:58,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:58,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:58,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:58,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:58,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:58,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:58,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:58,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:58,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:58,548 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:05:58,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 16:05:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:58,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:58,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:58,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:58,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:58,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:05:58,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:58,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:58,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:58,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:58,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:05:58,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 16:05:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:58,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:58,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:58,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:58,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:58,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:05:58,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:58,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:58,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:58,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:58,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:05:58,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 16:05:58,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:58,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:05:58,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:05:58,573 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:05:58,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:05:58,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:05:58,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:05:58,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:05:58,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:05:58,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:05:58,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:05:58,590 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 77 proven. 223 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-10-12 16:05:58,590 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1856054808] [2020-10-12 16:05:58,590 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:05:58,590 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-10-12 16:05:58,591 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845229131] [2020-10-12 16:05:58,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-10-12 16:05:58,591 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:05:58,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-10-12 16:05:58,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=176, Invalid=636, Unknown=0, NotChecked=0, Total=812 [2020-10-12 16:05:58,593 INFO L87 Difference]: Start difference. First operand 106 states and 107 transitions. Second operand 29 states. [2020-10-12 16:05:59,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:05:59,378 INFO L93 Difference]: Finished difference Result 116 states and 117 transitions. [2020-10-12 16:05:59,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-12 16:05:59,385 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 103 [2020-10-12 16:05:59,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:05:59,387 INFO L225 Difference]: With dead ends: 116 [2020-10-12 16:05:59,387 INFO L226 Difference]: Without dead ends: 114 [2020-10-12 16:05:59,388 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 494 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=730, Invalid=1922, Unknown=0, NotChecked=0, Total=2652 [2020-10-12 16:05:59,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-10-12 16:05:59,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 113. [2020-10-12 16:05:59,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-10-12 16:05:59,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 114 transitions. [2020-10-12 16:05:59,397 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 114 transitions. Word has length 103 [2020-10-12 16:05:59,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:05:59,397 INFO L479 AbstractCegarLoop]: Abstraction has 113 states and 114 transitions. [2020-10-12 16:05:59,397 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-10-12 16:05:59,397 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 114 transitions. [2020-10-12 16:05:59,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-10-12 16:05:59,398 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:05:59,399 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:05:59,399 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-12 16:05:59,399 INFO L427 AbstractCegarLoop]: === Iteration 26 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:05:59,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:05:59,399 INFO L82 PathProgramCache]: Analyzing trace with hash -426284057, now seen corresponding path program 23 times [2020-10-12 16:05:59,399 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:05:59,400 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2094011894] [2020-10-12 16:05:59,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:05:59,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:05:59,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:00,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:00,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 142 [2020-10-12 16:06:00,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:00,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 815 [2020-10-12 16:06:00,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:00,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 31 [2020-10-12 16:06:00,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:06:00,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 130 [2020-10-12 16:06:00,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:01,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:06:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:01,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:01,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:01,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:06:01,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:01,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:06:01,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:01,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:06:01,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:01,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:06:01,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:01,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-12 16:06:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:01,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:01,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:01,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:01,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:01,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:06:01,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:01,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:01,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:01,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:01,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:01,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 16:06:01,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:01,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:01,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:01,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:01,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:01,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:01,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:01,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:01,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:01,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:01,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:01,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 16:06:01,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:01,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:01,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:01,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:01,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:01,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:01,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:01,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:01,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:01,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:01,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:01,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 16:06:01,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:01,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:01,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:01,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:01,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:01,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:01,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:01,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:01,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:01,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:01,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:01,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:06:01,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:01,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:01,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:01,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:01,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:01,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:01,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:01,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:01,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:01,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:01,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:01,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 16:06:01,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:01,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:01,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:01,256 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:01,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:01,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:06:01,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:01,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:01,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:01,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:01,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:01,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 16:06:01,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:01,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:01,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:01,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:01,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:01,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:01,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:01,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:01,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:01,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:01,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:01,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 16:06:01,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:01,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:01,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:01,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:01,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:01,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 16:06:01,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:01,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:01,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:01,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:01,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:01,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 16:06:01,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:01,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:01,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:01,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:01,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:01,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:06:01,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:01,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:01,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:01,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:01,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:01,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 16:06:01,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:01,283 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:01,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:01,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:01,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:01,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:01,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:01,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:01,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:01,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:01,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:01,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 16:06:01,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:01,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:01,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:01,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:01,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:01,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:01,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:01,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:01,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:01,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:01,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:01,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 16:06:01,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:01,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:01,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:01,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:01,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:01,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:01,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:01,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:01,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:01,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:01,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:01,322 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 234 proven. 103 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-10-12 16:06:01,323 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2094011894] [2020-10-12 16:06:01,324 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:06:01,324 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2020-10-12 16:06:01,325 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595752555] [2020-10-12 16:06:01,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-10-12 16:06:01,326 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:06:01,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-10-12 16:06:01,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=852, Unknown=0, NotChecked=0, Total=992 [2020-10-12 16:06:01,328 INFO L87 Difference]: Start difference. First operand 113 states and 114 transitions. Second operand 32 states. [2020-10-12 16:06:02,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:06:02,434 INFO L93 Difference]: Finished difference Result 173 states and 187 transitions. [2020-10-12 16:06:02,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-12 16:06:02,435 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 110 [2020-10-12 16:06:02,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:06:02,436 INFO L225 Difference]: With dead ends: 173 [2020-10-12 16:06:02,436 INFO L226 Difference]: Without dead ends: 123 [2020-10-12 16:06:02,437 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 307 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=215, Invalid=1947, Unknown=0, NotChecked=0, Total=2162 [2020-10-12 16:06:02,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-10-12 16:06:02,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 114. [2020-10-12 16:06:02,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-10-12 16:06:02,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 115 transitions. [2020-10-12 16:06:02,448 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 115 transitions. Word has length 110 [2020-10-12 16:06:02,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:06:02,448 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 115 transitions. [2020-10-12 16:06:02,448 INFO L480 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-10-12 16:06:02,448 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 115 transitions. [2020-10-12 16:06:02,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2020-10-12 16:06:02,449 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:06:02,450 INFO L422 BasicCegarLoop]: trace histogram [14, 13, 13, 13, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:06:02,450 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-12 16:06:02,450 INFO L427 AbstractCegarLoop]: === Iteration 27 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:06:02,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:06:02,450 INFO L82 PathProgramCache]: Analyzing trace with hash -1418401722, now seen corresponding path program 24 times [2020-10-12 16:06:02,450 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:06:02,451 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1978566059] [2020-10-12 16:06:02,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:06:02,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:02,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:03,172 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:03,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 143 [2020-10-12 16:06:03,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:03,173 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 702 [2020-10-12 16:06:03,173 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:03,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-12 16:06:03,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:06:03,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 131 [2020-10-12 16:06:03,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:03,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:06:03,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:03,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:03,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:03,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:06:03,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:03,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:06:03,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:03,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:06:03,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:03,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:06:03,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:03,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:06:03,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:03,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:03,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:03,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:03,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:03,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:03,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:03,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:03,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:03,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:03,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:03,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 16:06:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:03,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:03,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:03,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:03,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:03,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:03,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:03,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:03,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:03,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:03,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:03,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 16:06:03,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:03,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:03,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:03,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:03,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:03,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:03,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:03,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:03,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:03,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:03,627 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:03,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 16:06:03,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:03,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:03,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:03,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:03,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:03,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:03,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:03,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:03,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:03,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:03,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:03,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 16:06:03,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:03,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:03,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:03,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:03,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:03,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:03,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:03,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:03,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:03,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:03,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:03,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 16:06:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:03,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:03,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:03,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:03,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:03,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:03,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:03,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:03,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:03,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:03,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:03,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 16:06:03,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:03,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:03,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:03,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:03,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:03,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:03,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:03,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:03,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:03,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:03,648 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:03,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 16:06:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:03,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:03,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:03,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:03,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:03,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:03,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:03,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:03,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:03,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:03,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:03,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-12 16:06:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:03,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:03,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:03,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:03,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:03,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:03,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:03,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:03,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:03,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:03,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:03,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 16:06:03,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:03,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:03,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:03,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:03,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:03,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:03,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:03,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:03,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:03,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:03,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:03,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 16:06:03,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:03,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:03,668 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:03,668 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:03,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:03,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:03,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:03,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:03,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:03,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:03,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:03,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 16:06:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:03,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:03,673 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:03,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:03,674 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:03,674 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:03,674 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:03,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:03,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:03,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:03,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:03,686 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 115 proven. 236 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-10-12 16:06:03,686 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1978566059] [2020-10-12 16:06:03,687 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:06:03,687 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-10-12 16:06:03,687 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227017786] [2020-10-12 16:06:03,687 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-10-12 16:06:03,687 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:06:03,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-10-12 16:06:03,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=228, Invalid=702, Unknown=0, NotChecked=0, Total=930 [2020-10-12 16:06:03,688 INFO L87 Difference]: Start difference. First operand 114 states and 115 transitions. Second operand 31 states. [2020-10-12 16:06:04,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:06:04,581 INFO L93 Difference]: Finished difference Result 127 states and 129 transitions. [2020-10-12 16:06:04,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-12 16:06:04,582 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 111 [2020-10-12 16:06:04,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:06:04,583 INFO L225 Difference]: With dead ends: 127 [2020-10-12 16:06:04,584 INFO L226 Difference]: Without dead ends: 125 [2020-10-12 16:06:04,586 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 678 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=957, Invalid=2235, Unknown=0, NotChecked=0, Total=3192 [2020-10-12 16:06:04,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-10-12 16:06:04,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 121. [2020-10-12 16:06:04,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-10-12 16:06:04,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 122 transitions. [2020-10-12 16:06:04,595 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 122 transitions. Word has length 111 [2020-10-12 16:06:04,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:06:04,596 INFO L479 AbstractCegarLoop]: Abstraction has 121 states and 122 transitions. [2020-10-12 16:06:04,596 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-10-12 16:06:04,596 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 122 transitions. [2020-10-12 16:06:04,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2020-10-12 16:06:04,597 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:06:04,597 INFO L422 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:06:04,597 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-12 16:06:04,598 INFO L427 AbstractCegarLoop]: === Iteration 28 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:06:04,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:06:04,598 INFO L82 PathProgramCache]: Analyzing trace with hash -985889399, now seen corresponding path program 25 times [2020-10-12 16:06:04,598 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:06:04,598 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [105937949] [2020-10-12 16:06:04,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:06:04,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:04,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:05,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:05,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 152 [2020-10-12 16:06:05,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:05,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 939 [2020-10-12 16:06:05,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:05,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 33 [2020-10-12 16:06:05,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:06:05,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 140 [2020-10-12 16:06:05,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:06,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:06:06,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:06,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:06,268 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:06,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:06:06,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:06,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:06:06,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:06,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:06:06,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:06,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:06:06,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:06,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 16:06:06,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:06,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:06,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:06,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:06,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:06,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:06,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:06,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:06,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:06,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:06,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:06,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 16:06:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:06,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:06,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:06,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:06,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:06,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:06,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:06,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:06,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:06,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:06,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:06,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 16:06:06,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:06,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:06,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:06,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:06,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:06,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:06,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:06,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:06,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:06,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:06,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:06,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 16:06:06,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:06,285 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:06,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:06,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:06,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:06,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:06,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:06,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:06,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:06,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:06,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:06,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 16:06:06,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:06,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:06,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:06,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:06,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:06,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:06,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:06,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:06,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:06,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:06,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:06,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 16:06:06,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:06,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:06,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:06,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:06,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:06,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:06,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:06,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:06,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:06,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:06,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:06,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 16:06:06,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:06,300 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:06,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:06,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:06,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:06,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:06,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:06,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:06,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:06,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:06,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:06,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 16:06:06,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:06,304 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:06,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:06,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:06,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:06,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:06,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:06,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:06,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:06,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:06,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:06,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-12 16:06:06,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:06,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:06,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:06,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:06,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:06,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:06,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:06,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:06,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:06,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:06,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:06,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 16:06:06,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:06,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:06,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:06,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:06,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:06,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:06,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:06,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:06,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:06,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:06,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:06,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 16:06:06,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:06,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:06,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:06,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:06,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:06,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:06,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:06,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:06,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:06,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:06,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:06,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 16:06:06,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:06,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:06,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:06,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:06,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:06,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:06,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:06,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:06,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:06,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:06,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:06,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 16:06:06,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:06,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:06,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:06,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:06,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:06,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:06,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:06,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:06,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:06,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:06,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:06,361 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 273 proven. 118 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-10-12 16:06:06,361 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [105937949] [2020-10-12 16:06:06,362 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:06:06,362 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2020-10-12 16:06:06,362 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961297692] [2020-10-12 16:06:06,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-10-12 16:06:06,362 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:06:06,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-10-12 16:06:06,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=247, Invalid=875, Unknown=0, NotChecked=0, Total=1122 [2020-10-12 16:06:06,363 INFO L87 Difference]: Start difference. First operand 121 states and 122 transitions. Second operand 34 states. [2020-10-12 16:06:07,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:06:07,172 INFO L93 Difference]: Finished difference Result 171 states and 186 transitions. [2020-10-12 16:06:07,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-12 16:06:07,173 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 118 [2020-10-12 16:06:07,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:06:07,177 INFO L225 Difference]: With dead ends: 171 [2020-10-12 16:06:07,177 INFO L226 Difference]: Without dead ends: 122 [2020-10-12 16:06:07,178 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 288 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=272, Invalid=1060, Unknown=0, NotChecked=0, Total=1332 [2020-10-12 16:06:07,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2020-10-12 16:06:07,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2020-10-12 16:06:07,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2020-10-12 16:06:07,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 123 transitions. [2020-10-12 16:06:07,189 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 123 transitions. Word has length 118 [2020-10-12 16:06:07,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:06:07,189 INFO L479 AbstractCegarLoop]: Abstraction has 122 states and 123 transitions. [2020-10-12 16:06:07,189 INFO L480 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-10-12 16:06:07,189 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 123 transitions. [2020-10-12 16:06:07,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-12 16:06:07,190 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:06:07,191 INFO L422 BasicCegarLoop]: trace histogram [15, 14, 14, 14, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:06:07,191 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-12 16:06:07,191 INFO L427 AbstractCegarLoop]: === Iteration 29 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:06:07,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:06:07,191 INFO L82 PathProgramCache]: Analyzing trace with hash -2008861976, now seen corresponding path program 26 times [2020-10-12 16:06:07,191 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:06:07,192 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1430227533] [2020-10-12 16:06:07,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:06:07,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:07,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:07,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:07,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 153 [2020-10-12 16:06:07,898 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:07,898 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 685 [2020-10-12 16:06:07,898 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:07,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-12 16:06:07,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:06:07,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 141 [2020-10-12 16:06:07,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:08,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:06:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:08,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:08,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:08,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:06:08,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:08,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:06:08,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:08,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:06:08,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:08,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:06:08,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:08,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 16:06:08,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:08,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:08,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:08,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:08,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:08,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:08,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:08,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:08,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:08,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:08,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:08,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 16:06:08,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:08,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:08,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:08,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:08,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:08,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:08,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:08,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:08,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:08,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:08,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:08,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 16:06:08,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:08,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:08,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:08,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:08,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:08,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:08,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:08,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:08,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:08,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:08,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:08,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 16:06:08,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:08,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:08,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:08,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:08,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:08,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:08,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:08,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:08,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:08,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:08,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:08,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-12 16:06:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:08,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:08,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:08,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:08,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:08,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:08,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:08,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:08,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:08,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:08,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:08,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:06:08,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:08,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:08,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:08,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:08,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:08,445 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:08,445 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:08,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:08,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:08,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:08,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:08,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-12 16:06:08,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:08,447 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:08,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:08,448 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:08,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:08,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:08,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:08,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:08,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:08,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:08,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:08,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 16:06:08,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:08,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:08,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:08,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:08,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:08,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:08,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:08,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:08,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:08,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:08,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:08,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-12 16:06:08,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:08,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:08,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:08,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:08,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:08,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:08,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:08,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:08,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:08,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:08,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:08,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 16:06:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:08,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:08,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:08,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:08,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:08,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:08,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:08,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:08,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:08,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:08,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:08,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 16:06:08,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:08,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:08,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:08,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:08,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:08,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:08,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:08,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:08,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:08,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:08,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:08,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 16:06:08,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:08,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:08,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:08,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:08,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:08,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:08,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:08,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:08,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:08,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:08,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:08,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 16:06:08,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:08,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:08,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:08,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:08,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:08,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:08,473 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:08,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:08,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:08,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:08,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:08,486 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 131 proven. 275 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-10-12 16:06:08,487 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1430227533] [2020-10-12 16:06:08,487 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:06:08,487 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2020-10-12 16:06:08,487 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334204561] [2020-10-12 16:06:08,488 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-10-12 16:06:08,488 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:06:08,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-10-12 16:06:08,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=797, Unknown=0, NotChecked=0, Total=1056 [2020-10-12 16:06:08,489 INFO L87 Difference]: Start difference. First operand 122 states and 123 transitions. Second operand 33 states. [2020-10-12 16:06:09,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:06:09,454 INFO L93 Difference]: Finished difference Result 135 states and 137 transitions. [2020-10-12 16:06:09,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-12 16:06:09,454 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 119 [2020-10-12 16:06:09,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:06:09,456 INFO L225 Difference]: With dead ends: 135 [2020-10-12 16:06:09,456 INFO L226 Difference]: Without dead ends: 133 [2020-10-12 16:06:09,460 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 786 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1100, Invalid=2560, Unknown=0, NotChecked=0, Total=3660 [2020-10-12 16:06:09,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-10-12 16:06:09,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 129. [2020-10-12 16:06:09,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-10-12 16:06:09,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 130 transitions. [2020-10-12 16:06:09,469 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 130 transitions. Word has length 119 [2020-10-12 16:06:09,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:06:09,470 INFO L479 AbstractCegarLoop]: Abstraction has 129 states and 130 transitions. [2020-10-12 16:06:09,470 INFO L480 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-10-12 16:06:09,470 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 130 transitions. [2020-10-12 16:06:09,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2020-10-12 16:06:09,471 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:06:09,471 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:06:09,471 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-10-12 16:06:09,471 INFO L427 AbstractCegarLoop]: === Iteration 30 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:06:09,471 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:06:09,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1478844583, now seen corresponding path program 27 times [2020-10-12 16:06:09,472 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:06:09,472 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [221948247] [2020-10-12 16:06:09,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:06:09,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:09,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:10,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:10,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 162 [2020-10-12 16:06:10,270 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:10,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 774 [2020-10-12 16:06:10,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:10,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 35 [2020-10-12 16:06:10,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:06:10,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 150 [2020-10-12 16:06:10,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:11,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:06:11,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:11,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:11,159 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:11,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:06:11,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:11,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:11,160 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:11,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:06:11,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:11,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:06:11,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:11,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-10-12 16:06:11,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:11,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:11,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:11,165 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:11,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:11,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:11,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:11,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:11,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:11,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:11,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:11,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 16:06:11,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:11,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:11,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:11,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:11,170 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:11,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:11,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:11,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:11,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:11,171 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:11,171 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:11,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 16:06:11,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:11,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:11,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:11,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:11,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:11,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:11,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:11,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:11,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:11,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:11,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:11,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 16:06:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:11,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:11,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:11,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:11,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:11,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:11,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:11,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:11,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:11,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:11,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:11,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-12 16:06:11,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:11,185 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:11,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:11,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:11,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:11,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:11,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:11,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:11,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:11,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:11,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:11,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:06:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:11,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:11,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:11,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:11,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:11,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:11,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:11,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:11,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:11,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:11,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:11,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-12 16:06:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:11,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:11,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:11,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:11,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:11,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:11,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:11,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:11,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:11,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:11,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:11,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 16:06:11,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:11,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:11,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:11,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:11,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:11,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:11,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:11,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:11,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:11,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:11,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:11,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-12 16:06:11,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:11,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:11,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:11,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:11,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:11,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:11,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:11,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:11,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:11,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:11,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:11,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 16:06:11,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:11,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:11,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:11,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:11,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:11,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:11,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:11,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:11,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:11,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:11,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:11,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 16:06:11,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:11,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:11,227 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:11,227 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:11,227 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:11,227 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:11,227 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:11,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:11,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:11,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:11,228 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:11,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 16:06:11,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:11,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:11,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:11,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:11,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:11,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:11,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:11,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:11,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:11,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:11,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:11,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 16:06:11,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:11,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:11,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:11,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:11,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:11,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:11,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:11,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:11,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:11,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:11,241 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:11,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 16:06:11,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:11,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:11,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:11,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:11,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:11,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:11,247 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:11,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:11,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:11,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:11,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:11,280 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 315 proven. 134 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2020-10-12 16:06:11,280 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [221948247] [2020-10-12 16:06:11,280 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:06:11,280 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2020-10-12 16:06:11,281 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892512038] [2020-10-12 16:06:11,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 36 states [2020-10-12 16:06:11,281 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:06:11,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2020-10-12 16:06:11,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=202, Invalid=1058, Unknown=0, NotChecked=0, Total=1260 [2020-10-12 16:06:11,282 INFO L87 Difference]: Start difference. First operand 129 states and 130 transitions. Second operand 36 states. [2020-10-12 16:06:12,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:06:12,535 INFO L93 Difference]: Finished difference Result 195 states and 211 transitions. [2020-10-12 16:06:12,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-12 16:06:12,535 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 126 [2020-10-12 16:06:12,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:06:12,536 INFO L225 Difference]: With dead ends: 195 [2020-10-12 16:06:12,537 INFO L226 Difference]: Without dead ends: 139 [2020-10-12 16:06:12,538 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 337 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=263, Invalid=1899, Unknown=0, NotChecked=0, Total=2162 [2020-10-12 16:06:12,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-10-12 16:06:12,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 130. [2020-10-12 16:06:12,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-10-12 16:06:12,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 131 transitions. [2020-10-12 16:06:12,551 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 131 transitions. Word has length 126 [2020-10-12 16:06:12,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:06:12,552 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 131 transitions. [2020-10-12 16:06:12,552 INFO L480 AbstractCegarLoop]: Interpolant automaton has 36 states. [2020-10-12 16:06:12,552 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 131 transitions. [2020-10-12 16:06:12,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-12 16:06:12,553 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:06:12,553 INFO L422 BasicCegarLoop]: trace histogram [16, 15, 15, 15, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:06:12,553 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-12 16:06:12,553 INFO L427 AbstractCegarLoop]: === Iteration 31 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:06:12,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:06:12,554 INFO L82 PathProgramCache]: Analyzing trace with hash -107725050, now seen corresponding path program 28 times [2020-10-12 16:06:12,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:06:12,554 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [640020694] [2020-10-12 16:06:12,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:06:12,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:12,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:13,230 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:13,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 163 [2020-10-12 16:06:13,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:13,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 655 [2020-10-12 16:06:13,231 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:13,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-12 16:06:13,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:06:13,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 151 [2020-10-12 16:06:13,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:06:13,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:06:13,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:13,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:13,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:13,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:06:13,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:13,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:06:13,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:13,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:06:13,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:13,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:06:13,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:13,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 16:06:13,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:13,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:13,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:13,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:13,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:13,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:13,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:13,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:13,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:13,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:13,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:13,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:06:13,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:13,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:13,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:13,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:13,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:13,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:13,871 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:13,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:13,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:13,871 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:13,871 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:13,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 16:06:13,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:13,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:13,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:13,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:13,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:13,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:13,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:13,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:13,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:13,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:13,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:13,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 16:06:13,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:13,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:13,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:13,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:13,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:13,880 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:13,880 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:13,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:13,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:13,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:13,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:13,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 16:06:13,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:13,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:13,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:13,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:13,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:13,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:13,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:13,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:13,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:13,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:13,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:13,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 16:06:13,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:13,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:13,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:13,887 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:13,887 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:13,887 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:06:13,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:13,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:13,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:13,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:13,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:13,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 16:06:13,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:13,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:13,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:13,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:13,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:13,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:13,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:13,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:13,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:13,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:13,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:13,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-12 16:06:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:13,892 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:13,893 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:13,893 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:13,893 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:13,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:13,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:13,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:13,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:13,894 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:13,894 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:13,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-12 16:06:13,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:13,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:13,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:13,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:13,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:13,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:06:13,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:13,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:13,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:13,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:13,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:13,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-12 16:06:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:13,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:13,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:13,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:13,900 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:13,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:13,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:13,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:13,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:13,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:13,900 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:13,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 16:06:13,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:13,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:13,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:13,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:13,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:13,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:13,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:13,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:13,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:13,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:13,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:13,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-12 16:06:13,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:13,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:13,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:13,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:13,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:13,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:13,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:13,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:13,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:13,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:13,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:13,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 16:06:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:13,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:13,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:13,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:13,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:13,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:13,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:13,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:13,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:13,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:13,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:13,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-12 16:06:13,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:13,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:13,917 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:13,917 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:13,917 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:13,917 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:13,917 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:13,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:13,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:13,918 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:13,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:13,927 INFO L134 CoverageAnalysis]: Checked inductivity of 829 backedges. 148 proven. 317 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2020-10-12 16:06:13,927 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [640020694] [2020-10-12 16:06:13,927 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:06:13,928 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2020-10-12 16:06:13,928 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216452296] [2020-10-12 16:06:13,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 35 states [2020-10-12 16:06:13,928 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:06:13,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2020-10-12 16:06:13,929 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=292, Invalid=898, Unknown=0, NotChecked=0, Total=1190 [2020-10-12 16:06:13,929 INFO L87 Difference]: Start difference. First operand 130 states and 131 transitions. Second operand 35 states. [2020-10-12 16:06:14,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:06:14,969 INFO L93 Difference]: Finished difference Result 143 states and 145 transitions. [2020-10-12 16:06:14,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-12 16:06:14,970 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 127 [2020-10-12 16:06:14,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:06:14,972 INFO L225 Difference]: With dead ends: 143 [2020-10-12 16:06:14,972 INFO L226 Difference]: Without dead ends: 141 [2020-10-12 16:06:14,974 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 902 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1253, Invalid=2907, Unknown=0, NotChecked=0, Total=4160 [2020-10-12 16:06:14,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2020-10-12 16:06:14,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 137. [2020-10-12 16:06:14,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-10-12 16:06:14,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 138 transitions. [2020-10-12 16:06:14,984 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 138 transitions. Word has length 127 [2020-10-12 16:06:14,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:06:14,984 INFO L479 AbstractCegarLoop]: Abstraction has 137 states and 138 transitions. [2020-10-12 16:06:14,984 INFO L480 AbstractCegarLoop]: Interpolant automaton has 35 states. [2020-10-12 16:06:14,985 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 138 transitions. [2020-10-12 16:06:14,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-10-12 16:06:14,986 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:06:14,986 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 16, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:06:14,986 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-10-12 16:06:14,986 INFO L427 AbstractCegarLoop]: === Iteration 32 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:06:14,986 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:06:14,987 INFO L82 PathProgramCache]: Analyzing trace with hash -1271785783, now seen corresponding path program 29 times [2020-10-12 16:06:14,987 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:06:14,987 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1633376775] [2020-10-12 16:06:14,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:06:15,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:15,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:15,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:15,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 172 [2020-10-12 16:06:15,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:15,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 794 [2020-10-12 16:06:15,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:15,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 37 [2020-10-12 16:06:15,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:06:15,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 160 [2020-10-12 16:06:15,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:16,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:06:16,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:16,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:16,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:16,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:06:16,961 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:16,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:06:16,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:16,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:06:16,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:16,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:06:16,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:16,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 16:06:16,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:16,963 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:16,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:16,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:16,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:16,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:16,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:16,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:16,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:16,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:16,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:16,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:06:16,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:16,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:16,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:16,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:16,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:16,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:16,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:16,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:16,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:16,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:16,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:16,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 16:06:16,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:16,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:16,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:16,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:16,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:16,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:16,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:16,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:16,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:16,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:16,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:16,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 16:06:16,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:16,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:16,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:16,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:16,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:16,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:16,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:16,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:16,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:16,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:16,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:16,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 16:06:16,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:16,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:16,985 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:16,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:16,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:16,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:16,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:16,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:16,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:16,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:16,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:16,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 16:06:16,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:16,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:16,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:16,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:16,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:16,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:16,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:16,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:16,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:16,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:16,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:16,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 16:06:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:16,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:16,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:16,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:16,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:16,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:16,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:16,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:16,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:16,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:16,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:16,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-12 16:06:16,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:16,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:16,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:16,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:16,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:16,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:16,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:16,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:16,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:16,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:16,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:17,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-12 16:06:17,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:17,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:17,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:17,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:17,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:17,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:17,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:17,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:17,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:17,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:17,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:17,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-12 16:06:17,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:17,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:17,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:17,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:17,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:17,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:17,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:17,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:17,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:17,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:17,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:17,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 16:06:17,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:17,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:17,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:17,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:17,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:17,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:17,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:17,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:17,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:17,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:17,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:17,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-12 16:06:17,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:17,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:17,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:17,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:17,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:17,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:17,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:17,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:17,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:17,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:17,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:17,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 16:06:17,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:17,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:17,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:17,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:17,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:17,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:17,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:17,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:17,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:17,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:17,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:17,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-12 16:06:17,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:17,023 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:17,024 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:17,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:17,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:17,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:17,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:17,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:17,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:17,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:17,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:17,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 16:06:17,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:17,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:17,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:17,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:17,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:17,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:17,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:17,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:17,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:17,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:17,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:17,050 INFO L134 CoverageAnalysis]: Checked inductivity of 931 backedges. 360 proven. 151 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2020-10-12 16:06:17,051 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1633376775] [2020-10-12 16:06:17,051 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:06:17,051 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2020-10-12 16:06:17,051 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592396656] [2020-10-12 16:06:17,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 38 states [2020-10-12 16:06:17,052 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:06:17,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2020-10-12 16:06:17,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=194, Invalid=1212, Unknown=0, NotChecked=0, Total=1406 [2020-10-12 16:06:17,053 INFO L87 Difference]: Start difference. First operand 137 states and 138 transitions. Second operand 38 states. [2020-10-12 16:06:18,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:06:18,703 INFO L93 Difference]: Finished difference Result 206 states and 223 transitions. [2020-10-12 16:06:18,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-12 16:06:18,705 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 134 [2020-10-12 16:06:18,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:06:18,706 INFO L225 Difference]: With dead ends: 206 [2020-10-12 16:06:18,706 INFO L226 Difference]: Without dead ends: 147 [2020-10-12 16:06:18,708 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 451 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=284, Invalid=2796, Unknown=0, NotChecked=0, Total=3080 [2020-10-12 16:06:18,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-10-12 16:06:18,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 138. [2020-10-12 16:06:18,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-10-12 16:06:18,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 139 transitions. [2020-10-12 16:06:18,719 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 139 transitions. Word has length 134 [2020-10-12 16:06:18,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:06:18,719 INFO L479 AbstractCegarLoop]: Abstraction has 138 states and 139 transitions. [2020-10-12 16:06:18,719 INFO L480 AbstractCegarLoop]: Interpolant automaton has 38 states. [2020-10-12 16:06:18,719 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 139 transitions. [2020-10-12 16:06:18,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2020-10-12 16:06:18,720 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:06:18,720 INFO L422 BasicCegarLoop]: trace histogram [17, 16, 16, 16, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:06:18,720 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-10-12 16:06:18,720 INFO L427 AbstractCegarLoop]: === Iteration 33 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:06:18,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:06:18,721 INFO L82 PathProgramCache]: Analyzing trace with hash 1699227176, now seen corresponding path program 30 times [2020-10-12 16:06:18,721 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:06:18,721 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1115225208] [2020-10-12 16:06:18,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:06:18,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:18,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:19,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:19,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-10-12 16:06:19,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:19,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 770 [2020-10-12 16:06:19,513 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:19,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-10-12 16:06:19,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:06:19,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 161 [2020-10-12 16:06:19,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:20,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:06:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:20,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:20,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:20,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:06:20,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:20,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:20,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:20,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:06:20,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:20,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:06:20,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:20,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:06:20,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:20,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:20,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:20,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:20,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:20,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:20,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:20,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:20,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:20,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:20,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:06:20,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 16:06:20,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:20,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:20,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:20,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:20,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:20,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:06:20,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:20,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:20,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:20,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:20,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:20,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 16:06:20,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:20,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:20,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:20,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:20,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:20,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:20,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:20,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:20,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:20,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:20,250 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:06:20,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 16:06:20,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:20,253 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:20,254 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:20,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:20,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:20,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:20,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:20,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:20,256 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:20,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:20,257 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:06:20,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 16:06:20,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:20,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:20,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:20,261 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:20,261 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:20,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:20,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:20,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:20,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:20,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:20,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:20,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 16:06:20,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:20,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:20,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:20,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:20,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:20,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:20,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:20,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:20,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:20,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:20,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:06:20,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:06:20,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:20,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:20,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:20,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:20,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:20,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:20,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:20,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:20,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:20,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:20,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:20,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 16:06:20,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:20,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:20,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:20,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:20,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:20,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:20,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:20,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:20,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:20,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:20,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:20,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 16:06:20,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:20,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:20,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:20,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:20,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:20,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:20,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:20,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:20,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:20,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:20,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:06:20,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 16:06:20,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:20,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:20,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:20,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:20,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:20,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:20,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:20,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:20,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:20,297 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:20,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:20,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-12 16:06:20,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:20,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:20,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:20,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:20,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:20,302 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:20,302 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:20,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:20,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:20,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:20,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:20,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-12 16:06:20,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:20,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:20,308 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:20,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:20,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:20,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:20,309 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:20,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:20,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:20,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:20,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:06:20,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 16:06:20,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:20,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:20,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:20,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:20,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:20,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:20,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:20,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:20,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:20,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:20,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:20,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 16:06:20,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:20,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:20,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:20,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:20,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:20,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:20,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:20,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:20,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:20,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:20,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:20,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 16:06:20,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:20,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:20,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:20,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:20,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:20,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:20,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:20,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:20,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:20,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:20,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:20,349 INFO L134 CoverageAnalysis]: Checked inductivity of 948 backedges. 150 proven. 378 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2020-10-12 16:06:20,350 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1115225208] [2020-10-12 16:06:20,350 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:06:20,350 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2020-10-12 16:06:20,350 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1684263684] [2020-10-12 16:06:20,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 37 states [2020-10-12 16:06:20,351 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:06:20,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2020-10-12 16:06:20,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=311, Invalid=1021, Unknown=0, NotChecked=0, Total=1332 [2020-10-12 16:06:20,352 INFO L87 Difference]: Start difference. First operand 138 states and 139 transitions. Second operand 37 states. [2020-10-12 16:06:21,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:06:21,561 INFO L93 Difference]: Finished difference Result 148 states and 149 transitions. [2020-10-12 16:06:21,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-12 16:06:21,561 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 135 [2020-10-12 16:06:21,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:06:21,563 INFO L225 Difference]: With dead ends: 148 [2020-10-12 16:06:21,563 INFO L226 Difference]: Without dead ends: 146 [2020-10-12 16:06:21,565 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1007 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1369, Invalid=3323, Unknown=0, NotChecked=0, Total=4692 [2020-10-12 16:06:21,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-10-12 16:06:21,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 145. [2020-10-12 16:06:21,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2020-10-12 16:06:21,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 146 transitions. [2020-10-12 16:06:21,577 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 146 transitions. Word has length 135 [2020-10-12 16:06:21,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:06:21,578 INFO L479 AbstractCegarLoop]: Abstraction has 145 states and 146 transitions. [2020-10-12 16:06:21,578 INFO L480 AbstractCegarLoop]: Interpolant automaton has 37 states. [2020-10-12 16:06:21,578 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 146 transitions. [2020-10-12 16:06:21,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-10-12 16:06:21,579 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:06:21,579 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:06:21,579 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-10-12 16:06:21,579 INFO L427 AbstractCegarLoop]: === Iteration 34 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:06:21,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:06:21,580 INFO L82 PathProgramCache]: Analyzing trace with hash 1149519207, now seen corresponding path program 31 times [2020-10-12 16:06:21,580 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:06:21,580 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1088181471] [2020-10-12 16:06:21,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:06:21,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:21,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:22,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:22,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 182 [2020-10-12 16:06:22,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:22,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 934 [2020-10-12 16:06:22,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:22,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-12 16:06:22,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:06:22,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 170 [2020-10-12 16:06:22,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:23,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:06:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:23,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:23,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:23,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:06:23,529 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:23,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:06:23,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:23,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:06:23,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:23,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:06:23,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:23,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-12 16:06:23,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:23,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:23,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:23,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:23,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:23,533 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:23,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:23,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:23,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:23,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:23,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:23,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 16:06:23,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:23,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:23,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:23,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:23,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:23,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:23,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:23,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:23,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:23,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:23,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:23,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 16:06:23,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:23,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:23,541 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:23,541 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:23,541 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:23,541 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:23,541 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:23,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:23,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:23,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:23,542 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:23,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 16:06:23,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:23,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:23,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:23,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:23,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:23,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:23,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:23,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:23,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:23,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:23,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:23,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 16:06:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:23,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:23,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:23,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:23,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:23,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:23,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:23,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:23,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:23,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:23,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:23,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 16:06:23,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:23,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:23,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:23,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:23,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:23,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:23,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:23,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:23,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:23,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:23,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:23,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:06:23,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:23,554 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:23,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:23,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:23,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:23,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:23,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:23,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:23,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:23,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:23,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:23,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 16:06:23,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:23,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:23,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:23,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:23,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:23,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:23,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:23,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:23,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:23,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:23,560 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:23,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 16:06:23,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:23,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:23,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:23,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:23,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:23,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:23,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:23,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:23,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:23,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:23,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:23,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 16:06:23,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:23,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:23,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:23,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:23,572 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:23,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:23,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:23,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:23,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:23,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:23,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:23,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-12 16:06:23,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:23,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:23,579 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:23,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:23,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:23,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:06:23,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:23,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:23,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:23,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:23,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:23,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-12 16:06:23,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:23,582 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:23,583 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:23,583 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:23,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:23,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:23,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:23,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:23,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:23,584 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:23,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:23,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 16:06:23,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:23,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:23,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:23,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:23,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:23,588 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:23,588 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:23,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:23,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:23,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:23,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:23,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 16:06:23,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:23,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:23,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:23,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:23,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:23,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:23,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:23,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:23,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:23,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:23,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:23,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 16:06:23,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:23,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:23,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:23,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:23,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:23,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:23,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:23,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:23,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:23,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:23,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:23,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 16:06:23,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:23,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:23,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:23,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:23,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:23,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:23,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:23,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:23,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:23,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:23,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:23,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1057 backedges. 408 proven. 169 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2020-10-12 16:06:23,628 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1088181471] [2020-10-12 16:06:23,628 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:06:23,628 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2020-10-12 16:06:23,628 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952610846] [2020-10-12 16:06:23,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 40 states [2020-10-12 16:06:23,629 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:06:23,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2020-10-12 16:06:23,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=349, Invalid=1211, Unknown=0, NotChecked=0, Total=1560 [2020-10-12 16:06:23,630 INFO L87 Difference]: Start difference. First operand 145 states and 146 transitions. Second operand 40 states. [2020-10-12 16:06:24,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:06:24,760 INFO L93 Difference]: Finished difference Result 204 states and 222 transitions. [2020-10-12 16:06:24,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-12 16:06:24,760 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 142 [2020-10-12 16:06:24,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:06:24,761 INFO L225 Difference]: With dead ends: 204 [2020-10-12 16:06:24,761 INFO L226 Difference]: Without dead ends: 146 [2020-10-12 16:06:24,763 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 402 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=377, Invalid=1429, Unknown=0, NotChecked=0, Total=1806 [2020-10-12 16:06:24,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-10-12 16:06:24,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2020-10-12 16:06:24,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-10-12 16:06:24,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 147 transitions. [2020-10-12 16:06:24,779 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 147 transitions. Word has length 142 [2020-10-12 16:06:24,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:06:24,780 INFO L479 AbstractCegarLoop]: Abstraction has 146 states and 147 transitions. [2020-10-12 16:06:24,780 INFO L480 AbstractCegarLoop]: Interpolant automaton has 40 states. [2020-10-12 16:06:24,780 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 147 transitions. [2020-10-12 16:06:24,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2020-10-12 16:06:24,781 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:06:24,781 INFO L422 BasicCegarLoop]: trace histogram [18, 17, 17, 17, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:06:24,781 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-10-12 16:06:24,781 INFO L427 AbstractCegarLoop]: === Iteration 35 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:06:24,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:06:24,781 INFO L82 PathProgramCache]: Analyzing trace with hash -2021620282, now seen corresponding path program 32 times [2020-10-12 16:06:24,782 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:06:24,782 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [5844845] [2020-10-12 16:06:24,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:06:24,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:24,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:25,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:25,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-12 16:06:25,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:25,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 828 [2020-10-12 16:06:25,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:25,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-12 16:06:25,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:06:25,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 171 [2020-10-12 16:06:25,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:26,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:06:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:26,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:26,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:26,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:06:26,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:26,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:06:26,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:26,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:06:26,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:26,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:06:26,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:26,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 16:06:26,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:26,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:26,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:26,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:26,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:26,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:26,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:26,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:26,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:26,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:26,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:26,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 16:06:26,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:26,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:26,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:26,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:26,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:26,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:26,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:26,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:26,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:26,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:26,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:26,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:06:26,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:26,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:26,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:26,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:26,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:26,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:26,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:26,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:26,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:26,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:26,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:26,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 16:06:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:26,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:26,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:26,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:26,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:26,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:26,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:26,359 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:26,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:26,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:26,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:26,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 16:06:26,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:26,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:26,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:26,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:26,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:26,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:26,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:26,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:26,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:26,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:26,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:26,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-12 16:06:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:26,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:26,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:26,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:26,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:26,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:26,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:26,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:26,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:26,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:26,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:26,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 16:06:26,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:26,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:26,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:26,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:26,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:26,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:26,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:26,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:26,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:26,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:26,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:26,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-12 16:06:26,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:26,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:26,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:26,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:26,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:26,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:26,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:26,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:26,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:26,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:26,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:26,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-12 16:06:26,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:26,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:26,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:26,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:26,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:26,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:26,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:26,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:26,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:26,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:26,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:26,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-12 16:06:26,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:26,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:26,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:26,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:26,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:26,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:26,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:26,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:26,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:26,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:26,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:26,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-12 16:06:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:26,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:26,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:26,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:26,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:26,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:26,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:26,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:26,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:26,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:26,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:26,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 16:06:26,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:26,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:26,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:26,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:26,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:26,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:26,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:26,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:26,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:26,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:26,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:26,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-12 16:06:26,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:26,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:26,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:26,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:26,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:26,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:26,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:26,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:26,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:26,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:26,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:26,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-12 16:06:26,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:26,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:26,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:26,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:26,403 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:26,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:26,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:26,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:26,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:26,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:26,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:26,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-12 16:06:26,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:26,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:26,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:26,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:26,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:26,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:26,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:26,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:26,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:26,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:26,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:26,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-12 16:06:26,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:26,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:26,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:26,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:26,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:26,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:26,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:26,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:26,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:26,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:26,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:26,422 INFO L134 CoverageAnalysis]: Checked inductivity of 1075 backedges. 185 proven. 410 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2020-10-12 16:06:26,423 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [5844845] [2020-10-12 16:06:26,423 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:06:26,423 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2020-10-12 16:06:26,423 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268545399] [2020-10-12 16:06:26,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 39 states [2020-10-12 16:06:26,424 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:06:26,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2020-10-12 16:06:26,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=364, Invalid=1118, Unknown=0, NotChecked=0, Total=1482 [2020-10-12 16:06:26,425 INFO L87 Difference]: Start difference. First operand 146 states and 147 transitions. Second operand 39 states. [2020-10-12 16:06:27,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:06:27,717 INFO L93 Difference]: Finished difference Result 159 states and 161 transitions. [2020-10-12 16:06:27,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-12 16:06:27,718 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 143 [2020-10-12 16:06:27,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:06:27,720 INFO L225 Difference]: With dead ends: 159 [2020-10-12 16:06:27,720 INFO L226 Difference]: Without dead ends: 157 [2020-10-12 16:06:27,721 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1158 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=1589, Invalid=3667, Unknown=0, NotChecked=0, Total=5256 [2020-10-12 16:06:27,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2020-10-12 16:06:27,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 153. [2020-10-12 16:06:27,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-10-12 16:06:27,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 154 transitions. [2020-10-12 16:06:27,731 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 154 transitions. Word has length 143 [2020-10-12 16:06:27,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:06:27,732 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 154 transitions. [2020-10-12 16:06:27,732 INFO L480 AbstractCegarLoop]: Interpolant automaton has 39 states. [2020-10-12 16:06:27,732 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 154 transitions. [2020-10-12 16:06:27,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2020-10-12 16:06:27,733 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:06:27,733 INFO L422 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:06:27,733 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-10-12 16:06:27,733 INFO L427 AbstractCegarLoop]: === Iteration 36 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:06:27,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:06:27,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1609349129, now seen corresponding path program 33 times [2020-10-12 16:06:27,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:06:27,734 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [867362337] [2020-10-12 16:06:27,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:06:27,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:27,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:28,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:28,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 192 [2020-10-12 16:06:28,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:28,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1017 [2020-10-12 16:06:28,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:28,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 41 [2020-10-12 16:06:28,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:06:28,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 180 [2020-10-12 16:06:28,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:29,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:06:29,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:29,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:29,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:29,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:06:29,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:29,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:06:29,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:29,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:06:29,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:29,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:06:29,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:29,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 16:06:29,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:29,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:29,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:29,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:29,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:29,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:29,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:29,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:29,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:29,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:29,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:29,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 16:06:29,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:29,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:29,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:29,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:29,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:29,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:29,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:29,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:29,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:29,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:29,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:29,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:06:29,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:29,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:29,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:29,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:29,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:29,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:29,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:29,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:29,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:29,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:29,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:29,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 16:06:29,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:29,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:29,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:29,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:29,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:29,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:29,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:29,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:29,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:29,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:29,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:29,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 16:06:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:29,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:29,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:29,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:29,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:29,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:29,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:29,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:29,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:29,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:29,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:29,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-12 16:06:29,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:29,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:29,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:29,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:29,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:29,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:29,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:29,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:29,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:29,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:29,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:29,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 16:06:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:29,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:29,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:29,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:29,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:29,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:29,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:29,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:29,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:29,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:29,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:29,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-12 16:06:29,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:29,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:29,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:29,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:29,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:29,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:29,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:29,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:29,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:29,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:29,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:29,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-12 16:06:29,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:29,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:29,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:29,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:29,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:29,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:29,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:29,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:29,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:29,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:29,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:29,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-12 16:06:29,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:29,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:29,784 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:29,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:29,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:29,785 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:29,785 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:29,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:29,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:29,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:29,785 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:29,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-12 16:06:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:29,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:29,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:29,789 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:29,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:29,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:29,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:29,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:29,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:29,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:29,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:29,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 16:06:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:29,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:29,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:29,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:29,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:29,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:29,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:29,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:29,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:29,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:29,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:29,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-12 16:06:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:29,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:29,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:29,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:29,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:29,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:29,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:29,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:29,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:29,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:29,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:29,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-12 16:06:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:29,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:29,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:29,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:29,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:29,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:29,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:29,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:29,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:29,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:29,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:29,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-12 16:06:29,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:29,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:29,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:29,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:29,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:29,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:29,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:29,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:29,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:29,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:29,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:29,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-12 16:06:29,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:29,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:29,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:29,811 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:29,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:29,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:29,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:29,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:29,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:29,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:29,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:29,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 16:06:29,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:29,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:29,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:29,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:29,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:29,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:29,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:29,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:29,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:29,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:29,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:29,840 INFO L134 CoverageAnalysis]: Checked inductivity of 1191 backedges. 459 proven. 188 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2020-10-12 16:06:29,840 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [867362337] [2020-10-12 16:06:29,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:06:29,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2020-10-12 16:06:29,841 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213217462] [2020-10-12 16:06:29,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 42 states [2020-10-12 16:06:29,841 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:06:29,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2020-10-12 16:06:29,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=405, Invalid=1317, Unknown=0, NotChecked=0, Total=1722 [2020-10-12 16:06:29,842 INFO L87 Difference]: Start difference. First operand 153 states and 154 transitions. Second operand 42 states. [2020-10-12 16:06:30,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:06:30,358 INFO L93 Difference]: Finished difference Result 215 states and 234 transitions. [2020-10-12 16:06:30,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-12 16:06:30,359 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 150 [2020-10-12 16:06:30,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:06:30,360 INFO L225 Difference]: With dead ends: 215 [2020-10-12 16:06:30,360 INFO L226 Difference]: Without dead ends: 154 [2020-10-12 16:06:30,361 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 465 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=434, Invalid=1546, Unknown=0, NotChecked=0, Total=1980 [2020-10-12 16:06:30,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-10-12 16:06:30,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2020-10-12 16:06:30,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-10-12 16:06:30,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 155 transitions. [2020-10-12 16:06:30,375 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 155 transitions. Word has length 150 [2020-10-12 16:06:30,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:06:30,375 INFO L479 AbstractCegarLoop]: Abstraction has 154 states and 155 transitions. [2020-10-12 16:06:30,376 INFO L480 AbstractCegarLoop]: Interpolant automaton has 42 states. [2020-10-12 16:06:30,376 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 155 transitions. [2020-10-12 16:06:30,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-10-12 16:06:30,377 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:06:30,377 INFO L422 BasicCegarLoop]: trace histogram [19, 18, 18, 18, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:06:30,377 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-10-12 16:06:30,377 INFO L427 AbstractCegarLoop]: === Iteration 37 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:06:30,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:06:30,378 INFO L82 PathProgramCache]: Analyzing trace with hash 135145832, now seen corresponding path program 34 times [2020-10-12 16:06:30,378 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:06:30,378 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1563576884] [2020-10-12 16:06:30,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:06:30,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:30,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:31,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:31,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-12 16:06:31,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:31,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 968 [2020-10-12 16:06:31,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:31,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-10-12 16:06:31,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:06:31,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-10-12 16:06:31,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:32,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:06:32,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:32,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:32,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:32,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:06:32,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:32,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:06:32,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:32,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:06:32,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:32,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:06:32,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:32,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 16:06:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:32,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:32,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:32,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:32,178 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:32,178 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:32,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:32,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:32,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:32,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:32,179 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:32,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 16:06:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:32,180 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:32,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:32,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:32,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:32,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:32,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:32,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:32,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:32,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:32,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:32,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 16:06:32,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:32,184 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:32,185 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:32,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:32,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:32,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:32,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:32,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:32,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:32,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:32,186 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:32,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 16:06:32,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:32,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:32,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:32,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:32,188 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:32,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:32,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:32,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:32,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:32,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:32,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:32,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 16:06:32,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:32,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:32,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:32,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:32,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:32,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:32,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:32,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:32,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:32,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:32,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:32,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-12 16:06:32,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:32,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:32,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:32,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:32,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:32,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:32,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:32,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:32,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:32,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:32,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:32,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-12 16:06:32,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:32,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:32,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:32,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:32,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:32,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:32,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:32,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:32,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:32,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:32,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:32,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:06:32,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:32,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:32,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:32,202 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:32,202 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:32,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:32,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:32,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:32,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:32,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:32,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:32,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-12 16:06:32,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:32,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:32,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:32,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:32,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:32,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:32,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:32,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:32,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:32,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:32,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:32,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 16:06:32,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:32,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:32,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:32,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:32,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:32,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:06:32,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:32,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:32,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:32,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:32,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:32,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-12 16:06:32,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:32,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:32,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:32,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:32,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:32,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:32,212 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:32,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:32,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:32,212 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:32,212 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:32,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 16:06:32,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:32,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:32,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:32,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:32,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:32,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:06:32,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:32,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:32,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:32,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:32,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:32,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-12 16:06:32,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:32,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:32,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:32,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:32,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:32,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:32,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:32,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:32,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:32,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:32,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:32,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-12 16:06:32,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:32,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:32,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:32,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:32,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:32,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:32,222 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:32,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:32,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:32,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:32,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:32,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-12 16:06:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:32,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:32,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:32,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:32,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:32,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:32,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:32,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:32,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:32,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:32,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:32,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-12 16:06:32,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:32,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:32,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:32,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:32,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:32,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:32,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:32,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:32,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:32,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:32,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:32,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 16:06:32,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:32,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:32,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:32,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:32,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:32,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:32,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:32,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:32,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:32,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:32,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:32,246 INFO L134 CoverageAnalysis]: Checked inductivity of 1210 backedges. 205 proven. 461 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2020-10-12 16:06:32,247 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1563576884] [2020-10-12 16:06:32,247 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:06:32,247 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2020-10-12 16:06:32,247 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885729006] [2020-10-12 16:06:32,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 41 states [2020-10-12 16:06:32,248 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:06:32,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2020-10-12 16:06:32,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=403, Invalid=1237, Unknown=0, NotChecked=0, Total=1640 [2020-10-12 16:06:32,249 INFO L87 Difference]: Start difference. First operand 154 states and 155 transitions. Second operand 41 states. [2020-10-12 16:06:33,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:06:33,699 INFO L93 Difference]: Finished difference Result 167 states and 169 transitions. [2020-10-12 16:06:33,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-10-12 16:06:33,699 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 151 [2020-10-12 16:06:33,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:06:33,701 INFO L225 Difference]: With dead ends: 167 [2020-10-12 16:06:33,701 INFO L226 Difference]: Without dead ends: 165 [2020-10-12 16:06:33,702 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1298 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1772, Invalid=4080, Unknown=0, NotChecked=0, Total=5852 [2020-10-12 16:06:33,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2020-10-12 16:06:33,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 161. [2020-10-12 16:06:33,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2020-10-12 16:06:33,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 162 transitions. [2020-10-12 16:06:33,716 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 162 transitions. Word has length 151 [2020-10-12 16:06:33,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:06:33,716 INFO L479 AbstractCegarLoop]: Abstraction has 161 states and 162 transitions. [2020-10-12 16:06:33,717 INFO L480 AbstractCegarLoop]: Interpolant automaton has 41 states. [2020-10-12 16:06:33,717 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 162 transitions. [2020-10-12 16:06:33,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2020-10-12 16:06:33,717 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:06:33,718 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:06:33,718 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-10-12 16:06:33,718 INFO L427 AbstractCegarLoop]: === Iteration 38 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:06:33,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:06:33,718 INFO L82 PathProgramCache]: Analyzing trace with hash -1294984665, now seen corresponding path program 35 times [2020-10-12 16:06:33,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:06:33,719 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1374784558] [2020-10-12 16:06:33,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:06:33,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:33,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:34,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:34,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 202 [2020-10-12 16:06:34,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:34,863 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1117 [2020-10-12 16:06:34,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:34,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 43 [2020-10-12 16:06:34,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:06:34,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 190 [2020-10-12 16:06:34,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:36,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:06:36,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:36,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:36,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:36,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:06:36,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:36,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:06:36,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:36,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:06:36,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:36,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:06:36,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:36,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-12 16:06:36,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:36,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:36,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:36,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:36,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:36,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:36,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:36,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:36,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:36,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:36,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:36,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 16:06:36,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:36,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:36,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:36,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:36,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:36,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:36,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:36,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:36,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:36,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:36,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:36,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 16:06:36,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:36,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:36,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:36,284 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:36,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:36,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:36,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:36,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:36,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:36,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:36,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:36,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 16:06:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:36,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:36,287 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:36,287 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:36,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:36,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:36,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:36,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:36,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:36,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:36,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:36,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 16:06:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:36,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:36,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:36,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:36,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:36,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:36,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:36,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:36,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:36,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:36,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:36,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-12 16:06:36,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:36,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:36,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:36,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:36,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:36,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:36,296 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:36,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:36,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:36,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:36,297 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:36,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-12 16:06:36,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:36,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:36,301 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:36,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:36,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:36,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:36,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:36,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:36,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:36,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:36,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:36,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:06:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:36,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:36,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:36,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:36,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:36,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:36,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:36,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:36,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:36,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:36,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:36,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-12 16:06:36,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:36,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:36,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:36,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:36,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:36,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:36,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:36,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:36,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:36,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:36,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:36,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 16:06:36,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:36,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:36,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:36,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:36,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:36,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:36,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:36,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:36,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:36,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:36,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:36,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-12 16:06:36,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:36,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:36,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:36,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:36,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:36,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:36,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:36,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:36,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:36,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:36,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:36,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 16:06:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:36,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:36,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:36,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:36,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:36,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:36,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:36,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:36,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:36,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:36,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:36,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-12 16:06:36,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:36,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:36,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:36,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:36,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:36,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:36,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:36,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:36,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:36,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:36,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:36,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-12 16:06:36,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:36,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:36,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:36,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:36,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:36,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:36,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:36,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:36,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:36,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:36,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:36,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-12 16:06:36,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:36,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:36,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:36,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:36,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:36,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:36,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:36,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:36,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:36,341 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:36,341 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:36,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-12 16:06:36,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:36,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:36,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:36,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:36,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:36,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:36,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:36,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:36,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:36,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:36,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:36,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 16:06:36,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:36,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:36,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:36,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:36,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:36,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:36,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:36,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:36,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:36,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:36,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:36,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-12 16:06:36,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:36,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:36,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:36,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:36,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:36,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:36,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:36,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:36,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:36,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:36,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:36,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1333 backedges. 513 proven. 208 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2020-10-12 16:06:36,383 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1374784558] [2020-10-12 16:06:36,383 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:06:36,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2020-10-12 16:06:36,384 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814655891] [2020-10-12 16:06:36,384 INFO L459 AbstractCegarLoop]: Interpolant automaton has 44 states [2020-10-12 16:06:36,384 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:06:36,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2020-10-12 16:06:36,385 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=301, Invalid=1591, Unknown=0, NotChecked=0, Total=1892 [2020-10-12 16:06:36,385 INFO L87 Difference]: Start difference. First operand 161 states and 162 transitions. Second operand 44 states. [2020-10-12 16:06:38,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:06:38,193 INFO L93 Difference]: Finished difference Result 239 states and 259 transitions. [2020-10-12 16:06:38,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-10-12 16:06:38,193 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 158 [2020-10-12 16:06:38,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:06:38,195 INFO L225 Difference]: With dead ends: 239 [2020-10-12 16:06:38,195 INFO L226 Difference]: Without dead ends: 171 [2020-10-12 16:06:38,195 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 514 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=374, Invalid=2818, Unknown=0, NotChecked=0, Total=3192 [2020-10-12 16:06:38,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2020-10-12 16:06:38,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 162. [2020-10-12 16:06:38,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-10-12 16:06:38,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 163 transitions. [2020-10-12 16:06:38,206 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 163 transitions. Word has length 158 [2020-10-12 16:06:38,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:06:38,207 INFO L479 AbstractCegarLoop]: Abstraction has 162 states and 163 transitions. [2020-10-12 16:06:38,207 INFO L480 AbstractCegarLoop]: Interpolant automaton has 44 states. [2020-10-12 16:06:38,207 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 163 transitions. [2020-10-12 16:06:38,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-12 16:06:38,208 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:06:38,208 INFO L422 BasicCegarLoop]: trace histogram [20, 19, 19, 19, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:06:38,208 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2020-10-12 16:06:38,208 INFO L427 AbstractCegarLoop]: === Iteration 39 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:06:38,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:06:38,209 INFO L82 PathProgramCache]: Analyzing trace with hash -464143226, now seen corresponding path program 36 times [2020-10-12 16:06:38,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:06:38,209 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1278609406] [2020-10-12 16:06:38,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:06:38,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:38,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:39,280 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:39,280 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 203 [2020-10-12 16:06:39,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:39,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1050 [2020-10-12 16:06:39,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:39,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-12 16:06:39,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:06:39,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 191 [2020-10-12 16:06:39,281 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:40,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:06:40,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:40,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:40,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:40,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:06:40,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:40,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:06:40,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:40,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:06:40,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:40,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:06:40,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:40,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 16:06:40,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:40,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:40,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:40,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:40,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:40,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:40,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:40,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:40,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:40,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:40,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:40,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 16:06:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:40,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:40,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:40,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:40,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:40,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:40,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:40,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:40,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:40,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:40,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:40,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 16:06:40,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:40,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:40,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:40,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:40,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:40,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:40,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:40,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:40,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:40,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:40,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:40,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:06:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:40,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:40,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:40,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:40,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:40,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:40,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:40,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:40,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:40,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:40,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:40,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 16:06:40,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:40,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:40,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:40,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:40,198 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:40,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:40,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:40,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:40,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:40,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:40,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:40,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 16:06:40,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:40,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:40,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:40,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:40,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:40,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:40,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:40,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:40,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:40,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:40,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:40,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 16:06:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:40,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:40,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:40,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:40,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:40,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:40,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:40,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:40,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:40,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:40,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:40,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 16:06:40,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:40,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:40,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:40,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:40,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:40,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:40,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:40,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:40,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:40,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:40,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:40,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 16:06:40,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:40,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:40,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:40,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:40,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:40,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:40,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:40,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:40,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:40,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:40,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:40,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 16:06:40,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:40,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:40,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:40,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:40,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:40,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:40,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:40,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:40,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:40,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:40,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:40,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 16:06:40,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:40,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:40,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:40,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:40,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:40,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:40,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:40,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:40,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:40,229 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:40,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:40,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 16:06:40,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:40,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:40,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:40,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:40,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:40,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:40,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:40,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:40,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:40,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:40,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:40,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 16:06:40,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:40,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:40,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:40,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:40,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:40,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:40,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:40,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:40,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:40,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:40,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:40,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 16:06:40,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:40,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:40,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:40,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:40,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:40,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:40,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:40,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:40,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:40,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:40,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:40,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-12 16:06:40,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:40,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:40,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:40,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:40,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:40,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:40,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:40,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:40,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:40,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:40,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:40,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 16:06:40,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:40,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:40,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:40,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:40,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:40,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:40,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:40,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:40,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:40,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:40,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:40,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-12 16:06:40,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:40,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:40,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:40,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:40,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:40,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:40,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:40,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:40,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:40,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:40,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:40,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-12 16:06:40,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:40,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:40,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:40,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:40,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:40,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:40,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:40,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:40,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:40,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:40,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:40,283 INFO L134 CoverageAnalysis]: Checked inductivity of 1353 backedges. 226 proven. 515 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2020-10-12 16:06:40,283 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1278609406] [2020-10-12 16:06:40,284 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:06:40,284 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2020-10-12 16:06:40,284 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255352718] [2020-10-12 16:06:40,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 43 states [2020-10-12 16:06:40,284 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:06:40,285 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2020-10-12 16:06:40,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=444, Invalid=1362, Unknown=0, NotChecked=0, Total=1806 [2020-10-12 16:06:40,285 INFO L87 Difference]: Start difference. First operand 162 states and 163 transitions. Second operand 43 states. [2020-10-12 16:06:41,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:06:41,870 INFO L93 Difference]: Finished difference Result 175 states and 177 transitions. [2020-10-12 16:06:41,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-10-12 16:06:41,871 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 159 [2020-10-12 16:06:41,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:06:41,872 INFO L225 Difference]: With dead ends: 175 [2020-10-12 16:06:41,872 INFO L226 Difference]: Without dead ends: 173 [2020-10-12 16:06:41,873 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1446 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=1965, Invalid=4515, Unknown=0, NotChecked=0, Total=6480 [2020-10-12 16:06:41,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-10-12 16:06:41,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 169. [2020-10-12 16:06:41,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-10-12 16:06:41,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 170 transitions. [2020-10-12 16:06:41,892 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 170 transitions. Word has length 159 [2020-10-12 16:06:41,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:06:41,893 INFO L479 AbstractCegarLoop]: Abstraction has 169 states and 170 transitions. [2020-10-12 16:06:41,894 INFO L480 AbstractCegarLoop]: Interpolant automaton has 43 states. [2020-10-12 16:06:41,894 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 170 transitions. [2020-10-12 16:06:41,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-12 16:06:41,895 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:06:41,896 INFO L422 BasicCegarLoop]: trace histogram [20, 20, 20, 20, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:06:41,896 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2020-10-12 16:06:41,896 INFO L427 AbstractCegarLoop]: === Iteration 40 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:06:41,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:06:41,896 INFO L82 PathProgramCache]: Analyzing trace with hash 1104177481, now seen corresponding path program 37 times [2020-10-12 16:06:41,897 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:06:41,897 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [599077391] [2020-10-12 16:06:41,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:06:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:41,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:43,218 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:43,218 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 212 [2020-10-12 16:06:43,218 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:43,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1285 [2020-10-12 16:06:43,219 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:43,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 45 [2020-10-12 16:06:43,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:06:43,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 200 [2020-10-12 16:06:43,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:44,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:06:44,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:44,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:44,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:44,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:06:44,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:44,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:06:44,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:44,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:06:44,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:44,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:06:44,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:44,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 16:06:44,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:44,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:44,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:44,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:44,443 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:44,443 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:44,443 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:44,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:44,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:44,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:44,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:44,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 16:06:44,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:44,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:44,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:44,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:44,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:44,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:44,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:44,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:44,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:44,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:44,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:44,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 16:06:44,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:44,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:44,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:44,452 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:44,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:44,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:44,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:44,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:44,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:44,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:44,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:44,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:06:44,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:44,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:44,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:44,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:44,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:44,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:44,456 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:44,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:44,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:44,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:44,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:44,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 16:06:44,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:44,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:44,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:44,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:44,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:44,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:44,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:44,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:44,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:44,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:44,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:44,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 16:06:44,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:44,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:44,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:44,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:44,463 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:44,463 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:44,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:44,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:44,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:44,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:44,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:44,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 16:06:44,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:44,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:44,466 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:44,466 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:44,466 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:44,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:44,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:44,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:44,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:44,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:44,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:44,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 16:06:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:44,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:44,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:44,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:44,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:44,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:44,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:44,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:44,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:44,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:44,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:44,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 16:06:44,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:44,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:44,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:44,473 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:44,473 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:44,473 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:44,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:44,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:44,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:44,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:44,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:44,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 16:06:44,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:44,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:44,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:44,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:44,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:44,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:44,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:44,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:44,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:44,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:44,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:44,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 16:06:44,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:44,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:44,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:44,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:44,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:44,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:44,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:44,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:44,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:44,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:44,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:44,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 16:06:44,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:44,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:44,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:44,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:44,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:44,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:44,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:44,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:44,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:44,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:44,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:44,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 16:06:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:44,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:44,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:44,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:44,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:44,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:44,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:44,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:44,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:44,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:44,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:44,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 16:06:44,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:44,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:44,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:44,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:44,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:44,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:44,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:44,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:44,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:44,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:44,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:44,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-12 16:06:44,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:44,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:44,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:44,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:44,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:44,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:44,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:44,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:44,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:44,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:44,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:44,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 16:06:44,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:44,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:44,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:44,503 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:44,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:44,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:44,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:44,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:44,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:44,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:44,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:44,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-12 16:06:44,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:44,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:44,507 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:44,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:44,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:44,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:44,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:44,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:44,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:44,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:44,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:44,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-12 16:06:44,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:44,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:44,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:44,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:44,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:44,511 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:44,511 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:44,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:44,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:44,511 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:44,512 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:44,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 16:06:44,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:44,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:44,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:44,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:44,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:44,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:44,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:44,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:44,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:44,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:44,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:44,545 INFO L134 CoverageAnalysis]: Checked inductivity of 1483 backedges. 570 proven. 229 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2020-10-12 16:06:44,546 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [599077391] [2020-10-12 16:06:44,546 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:06:44,546 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2020-10-12 16:06:44,546 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288870161] [2020-10-12 16:06:44,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 46 states [2020-10-12 16:06:44,546 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:06:44,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2020-10-12 16:06:44,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=488, Invalid=1582, Unknown=0, NotChecked=0, Total=2070 [2020-10-12 16:06:44,547 INFO L87 Difference]: Start difference. First operand 169 states and 170 transitions. Second operand 46 states. [2020-10-12 16:06:45,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:06:45,235 INFO L93 Difference]: Finished difference Result 237 states and 258 transitions. [2020-10-12 16:06:45,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-10-12 16:06:45,236 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 166 [2020-10-12 16:06:45,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:06:45,237 INFO L225 Difference]: With dead ends: 237 [2020-10-12 16:06:45,238 INFO L226 Difference]: Without dead ends: 170 [2020-10-12 16:06:45,238 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 534 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=519, Invalid=1833, Unknown=0, NotChecked=0, Total=2352 [2020-10-12 16:06:45,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-10-12 16:06:45,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2020-10-12 16:06:45,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-10-12 16:06:45,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 171 transitions. [2020-10-12 16:06:45,252 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 171 transitions. Word has length 166 [2020-10-12 16:06:45,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:06:45,252 INFO L479 AbstractCegarLoop]: Abstraction has 170 states and 171 transitions. [2020-10-12 16:06:45,252 INFO L480 AbstractCegarLoop]: Interpolant automaton has 46 states. [2020-10-12 16:06:45,253 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 171 transitions. [2020-10-12 16:06:45,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-12 16:06:45,254 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:06:45,254 INFO L422 BasicCegarLoop]: trace histogram [21, 20, 20, 20, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:06:45,254 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2020-10-12 16:06:45,254 INFO L427 AbstractCegarLoop]: === Iteration 41 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:06:45,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:06:45,254 INFO L82 PathProgramCache]: Analyzing trace with hash 1912159400, now seen corresponding path program 38 times [2020-10-12 16:06:45,255 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:06:45,255 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [202620366] [2020-10-12 16:06:45,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:06:45,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:45,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:46,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:46,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 213 [2020-10-12 16:06:46,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:46,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1172 [2020-10-12 16:06:46,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:46,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-10-12 16:06:46,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:06:46,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 201 [2020-10-12 16:06:46,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:47,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:06:47,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:47,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:47,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:47,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:06:47,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:47,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:06:47,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:47,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:06:47,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:47,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:06:47,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:47,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 16:06:47,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:47,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:47,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:47,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:47,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:47,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:47,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:47,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:47,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:47,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:47,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:47,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 16:06:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:47,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:47,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:47,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:47,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:47,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:06:47,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:47,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:47,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:47,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:47,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:47,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 16:06:47,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:47,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:47,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:47,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:47,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:47,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:47,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:47,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:47,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:47,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:47,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:47,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 16:06:47,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:47,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:47,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:47,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:47,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:47,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:06:47,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:47,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:47,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:47,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:47,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:47,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 16:06:47,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:47,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:47,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:47,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:47,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:47,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:06:47,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:47,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:47,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:47,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:47,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:47,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 16:06:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:47,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:47,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:47,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:47,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:47,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:06:47,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:47,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:47,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:47,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:47,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:47,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 16:06:47,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:47,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:47,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:47,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:47,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:47,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:06:47,462 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:47,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:47,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:47,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:47,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:47,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-12 16:06:47,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:47,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:47,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:47,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:47,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:47,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:06:47,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:47,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:47,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:47,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:47,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:47,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 16:06:47,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:47,467 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:47,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:47,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:47,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:47,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:47,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:47,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:47,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:47,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:47,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:47,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 16:06:47,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:47,471 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:47,472 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:47,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:47,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:47,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:47,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:47,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:47,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:47,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:47,473 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:47,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 16:06:47,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:47,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:47,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:47,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:47,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:47,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:47,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:47,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:47,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:47,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:47,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:47,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 16:06:47,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:47,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:47,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:47,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:47,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:47,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:06:47,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:47,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:47,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:47,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:47,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:47,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-12 16:06:47,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:47,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:47,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:47,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:47,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:47,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:06:47,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:47,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:47,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:47,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:47,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:47,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 16:06:47,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:47,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:47,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:47,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:47,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:47,486 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:06:47,486 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:47,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:47,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:47,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:47,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:47,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-12 16:06:47,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:47,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:47,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:47,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:47,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:47,489 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:06:47,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:47,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:47,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:47,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:47,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:47,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-12 16:06:47,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:47,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:47,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:47,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:47,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:47,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:06:47,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:47,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:47,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:47,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:47,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:47,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 16:06:47,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:47,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:47,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:47,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:47,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:47,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:47,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:47,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:47,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:47,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:47,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:47,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 16:06:47,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:47,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:47,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:47,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:47,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:47,499 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:47,499 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:47,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:47,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:47,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:47,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:47,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-12 16:06:47,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:47,501 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:47,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:47,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:47,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:47,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:06:47,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:47,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:47,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:47,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:47,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:47,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1504 backedges. 248 proven. 572 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2020-10-12 16:06:47,528 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [202620366] [2020-10-12 16:06:47,529 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:06:47,529 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2020-10-12 16:06:47,529 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412268115] [2020-10-12 16:06:47,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 45 states [2020-10-12 16:06:47,529 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:06:47,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2020-10-12 16:06:47,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=487, Invalid=1493, Unknown=0, NotChecked=0, Total=1980 [2020-10-12 16:06:47,530 INFO L87 Difference]: Start difference. First operand 170 states and 171 transitions. Second operand 45 states. [2020-10-12 16:06:49,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:06:49,197 INFO L93 Difference]: Finished difference Result 183 states and 185 transitions. [2020-10-12 16:06:49,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-10-12 16:06:49,198 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 167 [2020-10-12 16:06:49,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:06:49,199 INFO L225 Difference]: With dead ends: 183 [2020-10-12 16:06:49,199 INFO L226 Difference]: Without dead ends: 181 [2020-10-12 16:06:49,200 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1602 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=2168, Invalid=4972, Unknown=0, NotChecked=0, Total=7140 [2020-10-12 16:06:49,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2020-10-12 16:06:49,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 177. [2020-10-12 16:06:49,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-10-12 16:06:49,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 178 transitions. [2020-10-12 16:06:49,222 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 178 transitions. Word has length 167 [2020-10-12 16:06:49,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:06:49,222 INFO L479 AbstractCegarLoop]: Abstraction has 177 states and 178 transitions. [2020-10-12 16:06:49,222 INFO L480 AbstractCegarLoop]: Interpolant automaton has 45 states. [2020-10-12 16:06:49,223 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 178 transitions. [2020-10-12 16:06:49,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-10-12 16:06:49,224 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:06:49,224 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:06:49,224 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2020-10-12 16:06:49,224 INFO L427 AbstractCegarLoop]: === Iteration 42 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:06:49,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:06:49,225 INFO L82 PathProgramCache]: Analyzing trace with hash 153411303, now seen corresponding path program 39 times [2020-10-12 16:06:49,225 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:06:49,225 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [959213497] [2020-10-12 16:06:49,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:06:49,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:49,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:50,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:50,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 222 [2020-10-12 16:06:50,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:50,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1432 [2020-10-12 16:06:50,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:50,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 47 [2020-10-12 16:06:50,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:06:50,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 210 [2020-10-12 16:06:50,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:52,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:06:52,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:52,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:52,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:52,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:06:52,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:52,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:06:52,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:52,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:06:52,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:52,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:06:52,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:52,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 16:06:52,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:52,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:52,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:52,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:52,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:52,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:52,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:52,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:52,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:52,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:52,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:52,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 16:06:52,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:52,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:52,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:52,610 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:52,610 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:52,610 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:52,610 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:52,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:52,610 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:52,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:52,611 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:52,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 16:06:52,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:52,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:52,613 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:52,613 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:52,613 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:52,614 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:52,614 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:52,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:52,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:52,614 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:52,614 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:52,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 16:06:52,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:52,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:52,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:52,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:52,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:52,617 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:52,617 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:52,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:52,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:52,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:52,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:52,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 16:06:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:52,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:52,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:52,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:52,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:52,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:52,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:52,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:52,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:52,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:52,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:52,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 16:06:52,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:52,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:52,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:52,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:52,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:52,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:52,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:52,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:52,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:52,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:52,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:52,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 16:06:52,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:52,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:52,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:52,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:52,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:52,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:52,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:52,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:52,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:52,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:52,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:52,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-12 16:06:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:52,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:52,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:52,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:52,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:52,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:52,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:52,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:52,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:52,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:52,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:52,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 16:06:52,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:52,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:52,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:52,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:52,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:52,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:52,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:52,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:52,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:52,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:52,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:52,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 16:06:52,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:52,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:52,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:52,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:52,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:52,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:52,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:52,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:52,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:52,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:52,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:52,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 16:06:52,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:52,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:52,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:52,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:52,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:52,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:52,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:52,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:52,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:52,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:52,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:52,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 16:06:52,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:52,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:52,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:52,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:52,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:52,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:52,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:52,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:52,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:52,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:52,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:52,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-12 16:06:52,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:52,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:52,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:52,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:52,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:52,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:52,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:52,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:52,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:52,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:52,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:52,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 16:06:52,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:52,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:52,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:52,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:52,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:52,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:52,654 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:52,654 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:52,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:52,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:52,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:52,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-12 16:06:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:52,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:52,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:52,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:52,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:52,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:52,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:52,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:52,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:52,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:52,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:52,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-12 16:06:52,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:52,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:52,662 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:52,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:52,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:52,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:52,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:52,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:52,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:52,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:52,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:52,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 16:06:52,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:52,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:52,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:52,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:52,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:52,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:52,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:52,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:52,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:52,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:52,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:52,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 16:06:52,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:52,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:52,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:52,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:52,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:52,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:52,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:52,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:52,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:52,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:52,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:52,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-12 16:06:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:52,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:52,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:52,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:52,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:52,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:52,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:52,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:52,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:52,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:52,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:52,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-12 16:06:52,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:52,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:52,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:52,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:52,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:52,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:52,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:52,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:52,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:52,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:52,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:52,713 INFO L134 CoverageAnalysis]: Checked inductivity of 1641 backedges. 630 proven. 251 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2020-10-12 16:06:52,714 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [959213497] [2020-10-12 16:06:52,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:06:52,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2020-10-12 16:06:52,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [638330120] [2020-10-12 16:06:52,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 48 states [2020-10-12 16:06:52,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:06:52,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2020-10-12 16:06:52,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=304, Invalid=1952, Unknown=0, NotChecked=0, Total=2256 [2020-10-12 16:06:52,716 INFO L87 Difference]: Start difference. First operand 177 states and 178 transitions. Second operand 48 states. [2020-10-12 16:06:55,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:06:55,213 INFO L93 Difference]: Finished difference Result 261 states and 283 transitions. [2020-10-12 16:06:55,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-10-12 16:06:55,213 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 174 [2020-10-12 16:06:55,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:06:55,214 INFO L225 Difference]: With dead ends: 261 [2020-10-12 16:06:55,215 INFO L226 Difference]: Without dead ends: 187 [2020-10-12 16:06:55,216 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 751 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=419, Invalid=4551, Unknown=0, NotChecked=0, Total=4970 [2020-10-12 16:06:55,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-10-12 16:06:55,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 178. [2020-10-12 16:06:55,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2020-10-12 16:06:55,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 179 transitions. [2020-10-12 16:06:55,231 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 179 transitions. Word has length 174 [2020-10-12 16:06:55,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:06:55,231 INFO L479 AbstractCegarLoop]: Abstraction has 178 states and 179 transitions. [2020-10-12 16:06:55,231 INFO L480 AbstractCegarLoop]: Interpolant automaton has 48 states. [2020-10-12 16:06:55,231 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 179 transitions. [2020-10-12 16:06:55,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2020-10-12 16:06:55,232 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:06:55,232 INFO L422 BasicCegarLoop]: trace histogram [22, 21, 21, 21, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:06:55,232 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2020-10-12 16:06:55,232 INFO L427 AbstractCegarLoop]: === Iteration 43 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:06:55,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:06:55,233 INFO L82 PathProgramCache]: Analyzing trace with hash -30416058, now seen corresponding path program 40 times [2020-10-12 16:06:55,233 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:06:55,233 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [523316761] [2020-10-12 16:06:55,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:06:55,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:55,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:56,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:56,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 223 [2020-10-12 16:06:56,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:56,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1447 [2020-10-12 16:06:56,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:56,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-12 16:06:56,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:06:56,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 211 [2020-10-12 16:06:56,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:57,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:06:57,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:57,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:57,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:57,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:06:57,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:57,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:06:57,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:57,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:06:57,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:57,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:06:57,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:57,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 16:06:57,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:57,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:57,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:57,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:57,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:57,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:57,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:57,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:57,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:57,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:57,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:57,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 16:06:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:57,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:57,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:57,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:57,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:57,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:57,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:57,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:57,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:57,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:57,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:57,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 16:06:57,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:57,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:57,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:57,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:57,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:57,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:57,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:57,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:57,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:57,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:57,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:57,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-12 16:06:57,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:57,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:57,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:57,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:57,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:57,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:57,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:57,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:57,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:57,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:57,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:57,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:06:57,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:57,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:57,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:57,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:57,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:57,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:57,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:57,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:57,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:57,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:57,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:57,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-12 16:06:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:57,813 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:57,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:57,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:57,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:57,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:57,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:57,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:57,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:57,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:57,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:57,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 16:06:57,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:57,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:57,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:57,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:57,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:57,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:57,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:57,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:57,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:57,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:57,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:57,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-12 16:06:57,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:57,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:57,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:57,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:57,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:57,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:06:57,821 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:57,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:57,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:57,821 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:57,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:57,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 16:06:57,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:57,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:57,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:57,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:57,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:57,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:06:57,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:57,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:57,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:57,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:57,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:57,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 16:06:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:57,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:57,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:57,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:57,827 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:57,827 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:06:57,827 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:57,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:57,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:57,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:57,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:57,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 16:06:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:57,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:57,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:57,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:57,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:57,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:57,830 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:57,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:57,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:57,830 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:57,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:57,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 16:06:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:57,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:57,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:57,833 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:57,833 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:57,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:06:57,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:57,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:57,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:57,834 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:57,834 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:57,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 16:06:57,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:57,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:57,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:57,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:57,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:57,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:57,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:57,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:57,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:57,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:57,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:57,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 16:06:57,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:57,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:57,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:57,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:57,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:57,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:57,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:57,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:57,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:57,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:57,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:57,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 16:06:57,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:57,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:57,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:57,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:57,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:57,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:57,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:57,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:57,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:57,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:57,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:57,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-12 16:06:57,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:57,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:57,848 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:57,848 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:57,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:57,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:57,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:57,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:57,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:57,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:57,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:57,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-12 16:06:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:57,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:57,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:57,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:57,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:57,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:57,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:57,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:57,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:57,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:57,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:57,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-12 16:06:57,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:57,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:57,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:57,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:57,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:57,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:57,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:57,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:57,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:57,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:57,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:57,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-12 16:06:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:57,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:57,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:57,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:57,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:57,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:57,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:57,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:57,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:57,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:57,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:57,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-12 16:06:57,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:57,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:06:57,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:06:57,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:06:57,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:06:57,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:06:57,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:06:57,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:06:57,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:06:57,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:06:57,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:06:57,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1663 backedges. 271 proven. 632 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2020-10-12 16:06:57,881 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [523316761] [2020-10-12 16:06:57,881 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:06:57,881 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2020-10-12 16:06:57,881 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694935647] [2020-10-12 16:06:57,882 INFO L459 AbstractCegarLoop]: Interpolant automaton has 47 states [2020-10-12 16:06:57,882 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:06:57,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2020-10-12 16:06:57,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=532, Invalid=1630, Unknown=0, NotChecked=0, Total=2162 [2020-10-12 16:06:57,883 INFO L87 Difference]: Start difference. First operand 178 states and 179 transitions. Second operand 47 states. [2020-10-12 16:06:59,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:06:59,732 INFO L93 Difference]: Finished difference Result 191 states and 193 transitions. [2020-10-12 16:06:59,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-10-12 16:06:59,733 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 175 [2020-10-12 16:06:59,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:06:59,735 INFO L225 Difference]: With dead ends: 191 [2020-10-12 16:06:59,735 INFO L226 Difference]: Without dead ends: 189 [2020-10-12 16:06:59,736 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1766 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=2381, Invalid=5451, Unknown=0, NotChecked=0, Total=7832 [2020-10-12 16:06:59,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2020-10-12 16:06:59,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 185. [2020-10-12 16:06:59,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-10-12 16:06:59,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 186 transitions. [2020-10-12 16:06:59,754 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 186 transitions. Word has length 175 [2020-10-12 16:06:59,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:06:59,756 INFO L479 AbstractCegarLoop]: Abstraction has 185 states and 186 transitions. [2020-10-12 16:06:59,756 INFO L480 AbstractCegarLoop]: Interpolant automaton has 47 states. [2020-10-12 16:06:59,757 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 186 transitions. [2020-10-12 16:06:59,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-10-12 16:06:59,758 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:06:59,758 INFO L422 BasicCegarLoop]: trace histogram [22, 22, 22, 22, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:06:59,758 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2020-10-12 16:06:59,758 INFO L427 AbstractCegarLoop]: === Iteration 44 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:06:59,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:06:59,759 INFO L82 PathProgramCache]: Analyzing trace with hash -1807668599, now seen corresponding path program 41 times [2020-10-12 16:06:59,759 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:06:59,759 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1157048844] [2020-10-12 16:06:59,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:06:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:06:59,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:01,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:01,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 232 [2020-10-12 16:07:01,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:01,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1629 [2020-10-12 16:07:01,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:01,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-12 16:07:01,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:07:01,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 220 [2020-10-12 16:07:01,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:03,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:07:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:03,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:03,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:03,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:07:03,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:03,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:03,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:03,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:07:03,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:03,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:07:03,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:03,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 16:07:03,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:03,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:03,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:03,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:03,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:03,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:03,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:03,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:03,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:03,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:03,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:03,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 16:07:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:03,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:03,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:03,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:03,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:03,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:03,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:03,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:03,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:03,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:03,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:03,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 16:07:03,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:03,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:03,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:03,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:03,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:03,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:03,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:03,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:03,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:03,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:03,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:03,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-12 16:07:03,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:03,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:03,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:03,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:03,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:03,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:03,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:03,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:03,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:03,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:03,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:03,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:07:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:03,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:03,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:03,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:03,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:03,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:03,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:03,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:03,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:03,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:03,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:03,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-12 16:07:03,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:03,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:03,087 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:03,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:03,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:03,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:03,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:03,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:03,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:03,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:03,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:03,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 16:07:03,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:03,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:03,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:03,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:03,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:03,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:03,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:03,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:03,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:03,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:03,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:03,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-12 16:07:03,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:03,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:03,094 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:03,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:03,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:03,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:03,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:03,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:03,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:03,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:03,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:03,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 16:07:03,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:03,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:03,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:03,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:03,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:03,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:03,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:03,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:03,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:03,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:03,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:03,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 16:07:03,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:03,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:03,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:03,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:03,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:03,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:03,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:03,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:03,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:03,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:03,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:03,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 16:07:03,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:03,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:03,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:03,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:03,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:03,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:03,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:03,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:03,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:03,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:03,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:03,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 16:07:03,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:03,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:03,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:03,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:03,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:03,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:03,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:03,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:03,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:03,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:03,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:03,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 16:07:03,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:03,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:03,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:03,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:03,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:03,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:03,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:03,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:03,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:03,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:03,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:03,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 16:07:03,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:03,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:03,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:03,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:03,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:03,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:03,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:03,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:03,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:03,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:03,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:03,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 16:07:03,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:03,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:03,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:03,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:03,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:03,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:03,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:03,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:03,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:03,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:03,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:03,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-12 16:07:03,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:03,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:03,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:03,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:03,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:03,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:03,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:03,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:03,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:03,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:03,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:03,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-12 16:07:03,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:03,130 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:03,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:03,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:03,131 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:03,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:03,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:03,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:03,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:03,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:03,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:03,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-12 16:07:03,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:03,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:03,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:03,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:03,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:03,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:03,136 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:03,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:03,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:03,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:03,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:03,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-12 16:07:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:03,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:03,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:03,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:03,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:03,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:03,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:03,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:03,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:03,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:03,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:03,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-12 16:07:03,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:03,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:03,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:03,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:03,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:03,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:03,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:03,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:03,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:03,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:03,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:03,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-12 16:07:03,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:03,147 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:03,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:03,149 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:03,149 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:03,149 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:03,149 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:03,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:03,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:03,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:03,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:03,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1807 backedges. 693 proven. 274 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2020-10-12 16:07:03,187 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1157048844] [2020-10-12 16:07:03,188 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:07:03,188 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2020-10-12 16:07:03,188 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088294470] [2020-10-12 16:07:03,188 INFO L459 AbstractCegarLoop]: Interpolant automaton has 50 states [2020-10-12 16:07:03,188 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:07:03,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2020-10-12 16:07:03,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=539, Invalid=1911, Unknown=0, NotChecked=0, Total=2450 [2020-10-12 16:07:03,189 INFO L87 Difference]: Start difference. First operand 185 states and 186 transitions. Second operand 50 states. [2020-10-12 16:07:04,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:07:04,818 INFO L93 Difference]: Finished difference Result 259 states and 282 transitions. [2020-10-12 16:07:04,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-10-12 16:07:04,819 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 182 [2020-10-12 16:07:04,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:07:04,820 INFO L225 Difference]: With dead ends: 259 [2020-10-12 16:07:04,821 INFO L226 Difference]: Without dead ends: 186 [2020-10-12 16:07:04,822 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 608 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=572, Invalid=2184, Unknown=0, NotChecked=0, Total=2756 [2020-10-12 16:07:04,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2020-10-12 16:07:04,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2020-10-12 16:07:04,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2020-10-12 16:07:04,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 187 transitions. [2020-10-12 16:07:04,843 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 187 transitions. Word has length 182 [2020-10-12 16:07:04,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:07:04,844 INFO L479 AbstractCegarLoop]: Abstraction has 186 states and 187 transitions. [2020-10-12 16:07:04,844 INFO L480 AbstractCegarLoop]: Interpolant automaton has 50 states. [2020-10-12 16:07:04,844 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 187 transitions. [2020-10-12 16:07:04,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2020-10-12 16:07:04,845 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:07:04,845 INFO L422 BasicCegarLoop]: trace histogram [23, 22, 22, 22, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:07:04,845 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2020-10-12 16:07:04,846 INFO L427 AbstractCegarLoop]: === Iteration 45 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:07:04,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:07:04,846 INFO L82 PathProgramCache]: Analyzing trace with hash 1701666792, now seen corresponding path program 42 times [2020-10-12 16:07:04,846 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:07:04,846 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [938533899] [2020-10-12 16:07:04,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:07:04,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:04,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:06,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:06,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 233 [2020-10-12 16:07:06,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:06,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1447 [2020-10-12 16:07:06,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:06,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 48 [2020-10-12 16:07:06,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:07:06,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 221 [2020-10-12 16:07:06,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:07,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:07:07,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:07,575 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:07,575 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:07,575 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:07:07,575 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:07,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:07,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:07,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:07:07,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:07,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:07:07,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:07,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:07:07,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:07,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:07,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:07,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:07,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:07,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:07,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:07,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:07,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:07,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:07,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:07,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 16:07:07,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:07,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:07,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:07,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:07,582 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:07,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:07,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:07,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:07,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:07,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:07,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:07,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 16:07:07,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:07,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:07,585 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:07,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:07,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:07,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:07,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:07,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:07,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:07,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:07,586 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:07,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 16:07:07,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:07,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:07,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:07,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:07,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:07,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:07,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:07,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:07,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:07,589 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:07,589 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:07,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 16:07:07,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:07,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:07,591 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:07,591 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:07,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:07,592 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:07,592 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:07,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:07,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:07,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:07,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:07,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 16:07:07,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:07,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:07,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:07,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:07,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:07,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:07,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:07,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:07,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:07,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:07,595 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:07,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-12 16:07:07,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:07,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:07,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:07,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:07,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:07,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:07,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:07,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:07,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:07,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:07,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:07,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-12 16:07:07,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:07,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:07,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:07,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:07,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:07,601 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:07,601 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:07,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:07,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:07,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:07,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:07,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-12 16:07:07,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:07,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:07,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:07,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:07,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:07,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:07,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:07,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:07,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:07,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:07,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:07,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 16:07:07,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:07,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:07,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:07,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:07,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:07,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:07,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:07,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:07,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:07,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:07,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:07,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-12 16:07:07,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:07,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:07,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:07,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:07,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:07,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:07,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:07,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:07,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:07,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:07,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:07,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 16:07:07,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:07,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:07,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:07,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:07,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:07,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:07,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:07,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:07,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:07,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:07,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:07,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-12 16:07:07,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:07,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:07,620 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:07,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:07,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:07,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:07,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:07,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:07,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:07,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:07,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:07,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 16:07:07,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:07,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:07,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:07,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:07,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:07,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:07,626 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:07,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:07,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:07,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:07,626 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:07,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-12 16:07:07,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:07,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:07,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:07,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:07,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:07,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:07,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:07,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:07,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:07,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:07,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:07,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-12 16:07:07,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:07,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:07,633 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:07,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:07,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:07,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:07,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:07,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:07,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:07,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:07,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:07,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 16:07:07,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:07,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:07,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:07,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:07,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:07,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:07,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:07,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:07,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:07,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:07,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:07,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-12 16:07:07,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:07,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:07,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:07,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:07,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:07,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:07,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:07,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:07,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:07,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:07,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:07,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-12 16:07:07,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:07,642 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:07,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:07,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:07,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:07,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:07,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:07,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:07,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:07,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:07,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:07,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-12 16:07:07,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:07,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:07,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:07,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:07,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:07,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:07,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:07,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:07,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:07,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:07,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:07,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-12 16:07:07,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:07,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:07,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:07,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:07,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:07,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:07,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:07,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:07,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:07,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:07,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:07,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 295 proven. 695 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2020-10-12 16:07:07,669 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [938533899] [2020-10-12 16:07:07,669 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:07:07,669 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2020-10-12 16:07:07,669 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136420804] [2020-10-12 16:07:07,669 INFO L459 AbstractCegarLoop]: Interpolant automaton has 49 states [2020-10-12 16:07:07,669 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:07:07,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2020-10-12 16:07:07,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=579, Invalid=1773, Unknown=0, NotChecked=0, Total=2352 [2020-10-12 16:07:07,670 INFO L87 Difference]: Start difference. First operand 186 states and 187 transitions. Second operand 49 states. [2020-10-12 16:07:09,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:07:09,708 INFO L93 Difference]: Finished difference Result 199 states and 201 transitions. [2020-10-12 16:07:09,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-10-12 16:07:09,709 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 183 [2020-10-12 16:07:09,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:07:09,710 INFO L225 Difference]: With dead ends: 199 [2020-10-12 16:07:09,711 INFO L226 Difference]: Without dead ends: 197 [2020-10-12 16:07:09,712 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1938 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=2604, Invalid=5952, Unknown=0, NotChecked=0, Total=8556 [2020-10-12 16:07:09,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-10-12 16:07:09,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 193. [2020-10-12 16:07:09,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2020-10-12 16:07:09,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 194 transitions. [2020-10-12 16:07:09,729 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 194 transitions. Word has length 183 [2020-10-12 16:07:09,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:07:09,729 INFO L479 AbstractCegarLoop]: Abstraction has 193 states and 194 transitions. [2020-10-12 16:07:09,729 INFO L480 AbstractCegarLoop]: Interpolant automaton has 49 states. [2020-10-12 16:07:09,730 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 194 transitions. [2020-10-12 16:07:09,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2020-10-12 16:07:09,731 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:07:09,731 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 23, 23, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:07:09,731 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2020-10-12 16:07:09,731 INFO L427 AbstractCegarLoop]: === Iteration 46 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:07:09,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:07:09,731 INFO L82 PathProgramCache]: Analyzing trace with hash -862022745, now seen corresponding path program 43 times [2020-10-12 16:07:09,732 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:07:09,732 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [28951659] [2020-10-12 16:07:09,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:07:09,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:09,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:11,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:11,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 242 [2020-10-12 16:07:11,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:11,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1740 [2020-10-12 16:07:11,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:11,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 51 [2020-10-12 16:07:11,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:07:11,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 230 [2020-10-12 16:07:11,518 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:13,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:07:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:13,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:13,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:13,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:07:13,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:13,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:13,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:13,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:07:13,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:13,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:07:13,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:13,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-12 16:07:13,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:13,845 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:13,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:13,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:13,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:13,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:13,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:13,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:13,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:13,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:13,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:13,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 16:07:13,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:13,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:13,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:13,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:13,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:13,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:13,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:13,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:13,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:13,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:13,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:13,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 16:07:13,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:13,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:13,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:13,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:13,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:13,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:13,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:13,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:13,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:13,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:13,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:13,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 16:07:13,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:13,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:13,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:13,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:13,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:13,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:13,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:13,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:13,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:13,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:13,859 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:13,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 16:07:13,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:13,861 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:13,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:13,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:13,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:13,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:13,863 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:13,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:13,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:13,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:13,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:13,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 16:07:13,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:13,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:13,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:13,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:13,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:13,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:13,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:13,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:13,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:13,866 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:13,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:13,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-12 16:07:13,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:13,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:13,869 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:13,870 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:13,870 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:13,870 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:13,870 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:13,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:13,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:13,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:13,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:13,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-12 16:07:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:13,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:13,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:13,873 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:13,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:13,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:13,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:13,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:13,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:13,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:13,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:13,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-12 16:07:13,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:13,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:13,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:13,877 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:13,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:13,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:13,877 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:13,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:13,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:13,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:13,878 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:13,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 16:07:13,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:13,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:13,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:13,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:13,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:13,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:13,881 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:13,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:13,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:13,881 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:13,881 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:13,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-12 16:07:13,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:13,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:13,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:13,885 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:13,885 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:13,885 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:13,885 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:13,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:13,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:13,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:13,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:13,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 16:07:13,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:13,887 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:13,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:13,889 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:13,889 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:13,889 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:13,889 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:13,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:13,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:13,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:13,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:13,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-12 16:07:13,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:13,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:13,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:13,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:13,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:13,893 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:13,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:13,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:13,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:13,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:13,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:13,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 16:07:13,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:13,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:13,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:13,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:13,897 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:13,897 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:13,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:13,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:13,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:13,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:13,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:13,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-12 16:07:13,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:13,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:13,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:13,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:13,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:13,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:13,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:13,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:13,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:13,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:13,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:13,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-12 16:07:13,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:13,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:13,904 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:13,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:13,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:13,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:13,905 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:13,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:13,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:13,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:13,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:13,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 16:07:13,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:13,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:13,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:13,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:13,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:13,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:13,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:13,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:13,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:13,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:13,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:13,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-12 16:07:13,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:13,914 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:13,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:13,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:13,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:13,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:13,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:13,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:13,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:13,916 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:13,916 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:13,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-12 16:07:13,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:13,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:13,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:13,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:13,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:13,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:13,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:13,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:13,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:13,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:13,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:13,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-12 16:07:13,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:13,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:13,924 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:13,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:13,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:13,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:13,925 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:13,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:13,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:13,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:13,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:13,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-12 16:07:13,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:13,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:13,929 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:13,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:13,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:13,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:13,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:13,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:13,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:13,929 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:13,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:13,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-12 16:07:13,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:13,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:13,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:13,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:13,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:13,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:13,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:13,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:13,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:13,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:13,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:13,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1981 backedges. 759 proven. 298 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2020-10-12 16:07:13,975 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [28951659] [2020-10-12 16:07:13,975 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:07:13,975 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52] total 52 [2020-10-12 16:07:13,976 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501102159] [2020-10-12 16:07:13,976 INFO L459 AbstractCegarLoop]: Interpolant automaton has 52 states [2020-10-12 16:07:13,976 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:07:13,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2020-10-12 16:07:13,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=355, Invalid=2297, Unknown=0, NotChecked=0, Total=2652 [2020-10-12 16:07:13,977 INFO L87 Difference]: Start difference. First operand 193 states and 194 transitions. Second operand 52 states. [2020-10-12 16:07:16,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:07:16,953 INFO L93 Difference]: Finished difference Result 283 states and 307 transitions. [2020-10-12 16:07:16,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-10-12 16:07:16,954 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 190 [2020-10-12 16:07:16,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:07:16,955 INFO L225 Difference]: With dead ends: 283 [2020-10-12 16:07:16,955 INFO L226 Difference]: Without dead ends: 203 [2020-10-12 16:07:16,956 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 892 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=480, Invalid=5372, Unknown=0, NotChecked=0, Total=5852 [2020-10-12 16:07:16,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2020-10-12 16:07:16,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 194. [2020-10-12 16:07:16,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2020-10-12 16:07:16,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 195 transitions. [2020-10-12 16:07:16,975 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 195 transitions. Word has length 190 [2020-10-12 16:07:16,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:07:16,976 INFO L479 AbstractCegarLoop]: Abstraction has 194 states and 195 transitions. [2020-10-12 16:07:16,976 INFO L480 AbstractCegarLoop]: Interpolant automaton has 52 states. [2020-10-12 16:07:16,976 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 195 transitions. [2020-10-12 16:07:16,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-12 16:07:16,977 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:07:16,977 INFO L422 BasicCegarLoop]: trace histogram [24, 23, 23, 23, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:07:16,977 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2020-10-12 16:07:16,977 INFO L427 AbstractCegarLoop]: === Iteration 47 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:07:16,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:07:16,978 INFO L82 PathProgramCache]: Analyzing trace with hash -500499962, now seen corresponding path program 44 times [2020-10-12 16:07:16,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:07:16,978 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [260987005] [2020-10-12 16:07:16,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:07:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:17,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:18,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:18,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-12 16:07:18,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:18,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1629 [2020-10-12 16:07:18,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:18,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-12 16:07:18,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:07:18,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 231 [2020-10-12 16:07:18,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:20,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:07:20,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:20,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:20,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:20,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:07:20,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:20,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:20,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:20,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:07:20,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:20,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:07:20,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:20,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 16:07:20,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:20,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:20,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:20,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:20,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:20,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:20,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:20,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:20,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:20,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:20,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:20,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 16:07:20,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:20,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:20,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:20,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:20,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:20,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:20,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:20,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:20,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:20,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:20,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:20,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 16:07:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:20,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:20,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:20,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:20,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:20,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:20,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:20,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:20,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:20,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:20,019 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:20,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 16:07:20,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:20,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:20,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:20,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:20,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:20,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:20,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:20,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:20,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:20,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:20,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:20,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 16:07:20,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:20,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:20,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:20,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:20,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:20,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:20,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:20,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:20,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:20,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:20,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:20,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:07:20,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:20,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:20,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:20,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:20,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:20,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:20,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:20,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:20,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:20,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:20,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:20,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 16:07:20,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:20,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:20,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:20,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:20,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:20,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:20,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:20,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:20,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:20,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:20,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:20,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 16:07:20,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:20,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:20,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:20,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:20,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:20,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:20,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:20,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:20,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:20,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:20,037 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:20,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 16:07:20,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:20,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:20,039 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:20,039 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:20,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:20,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:20,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:20,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:20,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:20,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:20,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:20,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-12 16:07:20,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:20,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:20,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:20,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:20,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:20,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:20,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:20,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:20,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:20,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:20,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:20,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-12 16:07:20,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:20,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:20,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:20,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:20,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:20,045 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:20,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:20,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:20,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:20,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:20,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:20,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 16:07:20,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:20,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:20,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:20,048 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:20,048 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:20,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:20,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:20,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:20,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:20,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:20,049 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:20,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 16:07:20,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:20,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:20,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:20,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:20,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:20,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:20,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:20,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:20,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:20,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:20,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:20,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 16:07:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:20,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:20,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:20,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:20,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:20,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:20,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:20,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:20,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:20,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:20,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:20,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 16:07:20,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:20,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:20,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:20,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:20,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:20,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:20,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:20,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:20,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:20,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:20,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:20,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-12 16:07:20,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:20,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:20,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:20,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:20,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:20,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:20,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:20,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:20,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:20,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:20,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:20,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 16:07:20,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:20,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:20,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:20,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:20,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:20,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:20,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:20,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:20,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:20,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:20,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:20,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-12 16:07:20,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:20,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:20,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:20,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:20,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:20,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:20,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:20,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:20,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:20,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:20,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:20,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-12 16:07:20,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:20,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:20,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:20,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:20,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:20,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:20,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:20,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:20,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:20,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:20,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:20,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-12 16:07:20,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:20,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:20,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:20,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:20,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:20,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:20,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:20,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:20,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:20,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:20,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:20,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-12 16:07:20,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:20,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:20,086 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:20,087 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:20,087 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:20,087 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:20,087 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:20,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:20,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:20,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:20,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:20,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-12 16:07:20,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:20,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:20,092 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:20,092 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:20,092 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:20,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:20,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:20,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:20,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:20,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:20,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:20,135 INFO L134 CoverageAnalysis]: Checked inductivity of 2005 backedges. 320 proven. 761 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2020-10-12 16:07:20,135 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [260987005] [2020-10-12 16:07:20,135 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:07:20,136 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2020-10-12 16:07:20,136 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058060883] [2020-10-12 16:07:20,137 INFO L459 AbstractCegarLoop]: Interpolant automaton has 51 states [2020-10-12 16:07:20,137 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:07:20,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2020-10-12 16:07:20,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=628, Invalid=1922, Unknown=0, NotChecked=0, Total=2550 [2020-10-12 16:07:20,138 INFO L87 Difference]: Start difference. First operand 194 states and 195 transitions. Second operand 51 states. [2020-10-12 16:07:22,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:07:22,501 INFO L93 Difference]: Finished difference Result 207 states and 209 transitions. [2020-10-12 16:07:22,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-10-12 16:07:22,507 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 191 [2020-10-12 16:07:22,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:07:22,509 INFO L225 Difference]: With dead ends: 207 [2020-10-12 16:07:22,509 INFO L226 Difference]: Without dead ends: 205 [2020-10-12 16:07:22,510 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2118 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=2837, Invalid=6475, Unknown=0, NotChecked=0, Total=9312 [2020-10-12 16:07:22,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2020-10-12 16:07:22,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 201. [2020-10-12 16:07:22,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2020-10-12 16:07:22,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 202 transitions. [2020-10-12 16:07:22,527 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 202 transitions. Word has length 191 [2020-10-12 16:07:22,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:07:22,528 INFO L479 AbstractCegarLoop]: Abstraction has 201 states and 202 transitions. [2020-10-12 16:07:22,528 INFO L480 AbstractCegarLoop]: Interpolant automaton has 51 states. [2020-10-12 16:07:22,528 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 202 transitions. [2020-10-12 16:07:22,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-10-12 16:07:22,529 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:07:22,529 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 24, 24, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:07:22,529 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2020-10-12 16:07:22,530 INFO L427 AbstractCegarLoop]: === Iteration 48 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:07:22,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:07:22,530 INFO L82 PathProgramCache]: Analyzing trace with hash -1834812471, now seen corresponding path program 45 times [2020-10-12 16:07:22,530 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:07:22,530 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1976673541] [2020-10-12 16:07:22,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:07:22,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:22,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:24,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:24,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 252 [2020-10-12 16:07:24,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:24,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1917 [2020-10-12 16:07:24,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:24,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 53 [2020-10-12 16:07:24,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:07:24,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 240 [2020-10-12 16:07:24,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:26,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:07:26,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:26,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:26,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:26,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:07:26,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:26,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:26,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:26,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:07:26,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:26,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:07:26,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:26,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 16:07:26,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:26,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:26,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:26,403 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:26,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:26,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:26,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:26,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:26,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:26,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:26,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:26,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 16:07:26,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:26,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:26,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:26,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:26,409 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:26,409 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:26,409 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:26,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:26,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:26,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:26,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:26,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 16:07:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:26,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:26,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:26,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:26,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:26,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:26,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:26,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:26,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:26,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:26,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:26,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 16:07:26,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:26,418 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:26,419 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:26,419 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:26,420 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:26,420 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:26,420 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:26,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:26,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:26,420 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:26,421 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:26,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 16:07:26,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:26,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:26,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:26,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:26,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:26,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:26,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:26,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:26,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:26,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:26,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:26,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:07:26,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:26,429 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:26,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:26,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:26,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:26,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:26,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:26,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:26,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:26,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:26,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:26,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 16:07:26,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:26,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:26,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:26,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:26,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:26,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:26,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:26,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:26,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:26,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:26,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:26,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 16:07:26,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:26,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:26,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:26,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:26,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:26,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:26,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:26,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:26,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:26,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:26,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:26,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 16:07:26,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:26,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:26,442 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:26,442 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:26,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:26,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:26,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:26,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:26,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:26,443 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:26,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:26,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-12 16:07:26,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:26,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:26,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:26,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:26,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:26,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:26,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:26,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:26,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:26,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:26,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:26,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-12 16:07:26,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:26,448 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:26,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:26,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:26,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:26,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:26,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:26,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:26,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:26,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:26,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:26,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 16:07:26,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:26,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:26,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:26,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:26,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:26,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:26,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:26,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:26,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:26,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:26,454 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:26,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 16:07:26,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:26,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:26,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:26,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:26,459 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:26,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:26,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:26,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:26,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:26,460 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:26,460 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:26,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 16:07:26,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:26,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:26,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:26,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:26,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:26,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:26,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:26,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:26,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:26,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:26,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:26,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 16:07:26,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:26,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:26,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:26,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:26,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:26,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:26,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:26,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:26,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:26,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:26,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:26,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-12 16:07:26,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:26,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:26,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:26,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:26,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:26,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:26,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:26,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:26,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:26,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:26,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:26,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 16:07:26,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:26,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:26,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:26,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:26,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:26,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:26,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:26,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:26,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:26,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:26,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:26,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-12 16:07:26,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:26,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:26,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:26,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:26,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:26,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:26,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:26,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:26,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:26,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:26,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:26,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-12 16:07:26,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:26,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:26,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:26,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:26,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:26,496 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:26,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:26,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:26,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:26,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:26,497 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:26,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-12 16:07:26,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:26,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:26,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:26,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:26,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:26,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:26,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:26,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:26,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:26,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:26,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:26,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-12 16:07:26,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:26,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:26,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:26,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:26,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:26,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:26,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:26,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:26,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:26,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:26,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:26,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-12 16:07:26,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:26,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:26,514 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:26,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:26,515 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:26,515 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:26,515 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:26,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:26,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:26,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:26,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:26,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-12 16:07:26,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:26,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:26,521 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:26,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:26,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:26,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:26,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:26,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:26,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:26,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:26,522 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:26,575 INFO L134 CoverageAnalysis]: Checked inductivity of 2163 backedges. 828 proven. 323 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2020-10-12 16:07:26,575 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1976673541] [2020-10-12 16:07:26,575 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:07:26,576 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54] total 54 [2020-10-12 16:07:26,576 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418457335] [2020-10-12 16:07:26,576 INFO L459 AbstractCegarLoop]: Interpolant automaton has 54 states [2020-10-12 16:07:26,576 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:07:26,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2020-10-12 16:07:26,577 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=657, Invalid=2205, Unknown=0, NotChecked=0, Total=2862 [2020-10-12 16:07:26,577 INFO L87 Difference]: Start difference. First operand 201 states and 202 transitions. Second operand 54 states. [2020-10-12 16:07:28,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:07:28,581 INFO L93 Difference]: Finished difference Result 281 states and 306 transitions. [2020-10-12 16:07:28,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-10-12 16:07:28,582 INFO L78 Accepts]: Start accepts. Automaton has 54 states. Word has length 198 [2020-10-12 16:07:28,582 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:07:28,583 INFO L225 Difference]: With dead ends: 281 [2020-10-12 16:07:28,583 INFO L226 Difference]: Without dead ends: 202 [2020-10-12 16:07:28,584 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 738 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=692, Invalid=2500, Unknown=0, NotChecked=0, Total=3192 [2020-10-12 16:07:28,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2020-10-12 16:07:28,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2020-10-12 16:07:28,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-10-12 16:07:28,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 203 transitions. [2020-10-12 16:07:28,604 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 203 transitions. Word has length 198 [2020-10-12 16:07:28,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:07:28,604 INFO L479 AbstractCegarLoop]: Abstraction has 202 states and 203 transitions. [2020-10-12 16:07:28,604 INFO L480 AbstractCegarLoop]: Interpolant automaton has 54 states. [2020-10-12 16:07:28,604 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 203 transitions. [2020-10-12 16:07:28,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-10-12 16:07:28,605 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:07:28,605 INFO L422 BasicCegarLoop]: trace histogram [25, 24, 24, 24, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:07:28,605 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2020-10-12 16:07:28,606 INFO L427 AbstractCegarLoop]: === Iteration 49 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:07:28,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:07:28,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1513188568, now seen corresponding path program 46 times [2020-10-12 16:07:28,606 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:07:28,606 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2989891] [2020-10-12 16:07:28,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:07:28,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:28,661 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:30,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:30,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-12 16:07:30,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:30,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1621 [2020-10-12 16:07:30,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:30,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 52 [2020-10-12 16:07:30,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:07:30,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 241 [2020-10-12 16:07:30,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:31,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:07:31,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:31,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:31,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:31,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:07:31,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:31,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:31,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:31,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:07:31,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:31,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:07:31,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:31,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 16:07:31,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:31,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:31,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:31,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:31,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:31,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:31,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:31,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:31,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:31,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:31,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:31,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:07:31,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:31,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:31,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:31,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:31,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:31,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:31,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:31,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:31,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:31,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:31,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:31,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 16:07:31,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:31,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:31,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:31,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:31,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:31,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:31,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:31,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:31,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:31,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:31,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:31,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 16:07:31,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:31,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:31,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:31,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:31,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:31,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:31,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:31,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:31,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:31,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:31,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:31,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-12 16:07:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:31,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:31,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:31,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:31,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:31,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:31,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:31,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:31,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:31,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:31,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:31,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 16:07:31,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:31,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:31,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:31,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:31,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:31,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:31,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:31,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:31,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:31,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:31,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:31,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-12 16:07:31,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:31,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:31,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:31,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:31,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:31,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:31,772 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:31,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:31,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:31,772 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:31,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:31,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-12 16:07:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:31,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:31,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:31,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:31,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:31,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:31,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:31,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:31,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:31,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:31,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:31,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-12 16:07:31,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:31,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:31,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:31,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:31,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:31,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:31,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:31,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:31,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:31,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:31,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:31,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-12 16:07:31,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:31,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:31,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:31,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:31,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:31,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:31,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:31,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:31,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:31,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:31,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:31,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 16:07:31,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:31,783 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:31,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:31,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:31,784 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:31,784 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:31,784 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:31,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:31,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:31,784 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:31,784 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:31,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-12 16:07:31,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:31,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:31,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:31,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:31,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:31,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:31,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:31,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:31,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:31,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:31,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:31,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-12 16:07:31,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:31,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:31,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:31,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:31,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:31,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:31,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:31,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:31,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:31,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:31,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:31,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-12 16:07:31,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:31,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:31,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:31,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:31,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:31,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:31,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:31,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:31,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:31,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:31,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:31,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-12 16:07:31,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:31,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:31,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:31,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:31,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:31,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:31,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:31,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:31,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:31,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:31,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:31,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 16:07:31,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:31,804 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:31,805 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:31,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:31,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:31,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:31,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:31,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:31,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:31,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:31,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:31,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-12 16:07:31,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:31,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:31,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:31,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:31,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:31,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:31,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:31,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:31,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:31,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:31,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:31,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-12 16:07:31,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:31,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:31,811 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:31,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:31,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:31,812 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:31,812 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:31,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:31,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:31,812 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:31,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:31,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-12 16:07:31,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:31,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:31,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:31,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:31,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:31,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:31,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:31,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:31,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:31,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:31,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:31,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-12 16:07:31,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:31,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:31,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:31,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:31,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:31,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:31,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:31,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:31,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:31,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:31,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:31,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-12 16:07:31,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:31,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:31,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:31,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:31,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:31,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:31,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:31,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:31,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:31,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:31,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:31,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-12 16:07:31,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:31,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:31,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:31,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:31,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:31,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:31,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:31,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:31,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:31,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:31,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:31,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-10-12 16:07:31,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:31,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:31,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:31,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:31,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:31,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:31,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:31,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:31,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:31,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:31,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:31,856 INFO L134 CoverageAnalysis]: Checked inductivity of 2188 backedges. 346 proven. 830 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2020-10-12 16:07:31,856 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2989891] [2020-10-12 16:07:31,856 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:07:31,857 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2020-10-12 16:07:31,857 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864284185] [2020-10-12 16:07:31,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 53 states [2020-10-12 16:07:31,857 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:07:31,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2020-10-12 16:07:31,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=679, Invalid=2077, Unknown=0, NotChecked=0, Total=2756 [2020-10-12 16:07:31,858 INFO L87 Difference]: Start difference. First operand 202 states and 203 transitions. Second operand 53 states. [2020-10-12 16:07:34,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:07:34,385 INFO L93 Difference]: Finished difference Result 215 states and 217 transitions. [2020-10-12 16:07:34,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-10-12 16:07:34,386 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 199 [2020-10-12 16:07:34,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:07:34,388 INFO L225 Difference]: With dead ends: 215 [2020-10-12 16:07:34,388 INFO L226 Difference]: Without dead ends: 213 [2020-10-12 16:07:34,390 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2306 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=3080, Invalid=7020, Unknown=0, NotChecked=0, Total=10100 [2020-10-12 16:07:34,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2020-10-12 16:07:34,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 209. [2020-10-12 16:07:34,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2020-10-12 16:07:34,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 210 transitions. [2020-10-12 16:07:34,407 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 210 transitions. Word has length 199 [2020-10-12 16:07:34,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:07:34,407 INFO L479 AbstractCegarLoop]: Abstraction has 209 states and 210 transitions. [2020-10-12 16:07:34,408 INFO L480 AbstractCegarLoop]: Interpolant automaton has 53 states. [2020-10-12 16:07:34,408 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 210 transitions. [2020-10-12 16:07:34,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2020-10-12 16:07:34,409 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:07:34,409 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 25, 25, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:07:34,409 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable48 [2020-10-12 16:07:34,409 INFO L427 AbstractCegarLoop]: === Iteration 50 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:07:34,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:07:34,410 INFO L82 PathProgramCache]: Analyzing trace with hash 1633237095, now seen corresponding path program 47 times [2020-10-12 16:07:34,410 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:07:34,410 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [39295440] [2020-10-12 16:07:34,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:07:34,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:34,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:36,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:36,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 262 [2020-10-12 16:07:36,603 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:36,603 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2144 [2020-10-12 16:07:36,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:36,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 55 [2020-10-12 16:07:36,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:07:36,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 250 [2020-10-12 16:07:36,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:38,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:07:38,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:38,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:38,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:38,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:07:38,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:38,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:38,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:38,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:07:38,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:38,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:07:38,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:38,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-12 16:07:38,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:38,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:38,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:38,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:38,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:38,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:38,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:38,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:38,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:38,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:38,770 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:38,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 16:07:38,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:38,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:38,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:38,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:38,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:38,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:38,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:38,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:38,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:38,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:38,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:38,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-12 16:07:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:38,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:38,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:38,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:38,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:38,776 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:38,776 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:38,776 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:38,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:38,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:38,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:38,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 16:07:38,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:38,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:38,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:38,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:38,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:38,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:38,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:38,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:38,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:38,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:38,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:38,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-10-12 16:07:38,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:38,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:38,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:38,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:38,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:38,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:38,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:38,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:38,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:38,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:38,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:38,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 16:07:38,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:38,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:38,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:38,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:38,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:38,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:38,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:38,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:38,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:38,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:38,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:38,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2020-10-12 16:07:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:38,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:38,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:38,790 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:38,790 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:38,790 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:38,790 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:38,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:38,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:38,790 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:38,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:38,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-12 16:07:38,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:38,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:38,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:38,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:38,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:38,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:38,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:38,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:38,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:38,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:38,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:38,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-12 16:07:38,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:38,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:38,797 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:38,797 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:38,797 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:38,797 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:38,797 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:38,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:38,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:38,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:38,798 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:38,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-12 16:07:38,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:38,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:38,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:38,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:38,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:38,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:38,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:38,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:38,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:38,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:38,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:38,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-12 16:07:38,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:38,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:38,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:38,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:38,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:38,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:38,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:38,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:38,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:38,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:38,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:38,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-12 16:07:38,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:38,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:38,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:38,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:38,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:38,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:38,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:38,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:38,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:38,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:38,814 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:38,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-12 16:07:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:38,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:38,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:38,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:38,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:38,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:38,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:38,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:38,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:38,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:38,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:38,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-12 16:07:38,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:38,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:38,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:38,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:38,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:38,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:38,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:38,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:38,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:38,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:38,825 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:38,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-10-12 16:07:38,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:38,827 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:38,828 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:38,829 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:38,829 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:38,829 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:38,829 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:38,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:38,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:38,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:38,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:38,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 16:07:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:38,831 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:38,832 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:38,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:38,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:38,833 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:38,833 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:38,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:38,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:38,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:38,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:38,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-12 16:07:38,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:38,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:38,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:38,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:38,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:38,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:38,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:38,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:38,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:38,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:38,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:38,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-12 16:07:38,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:38,839 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:38,840 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:38,840 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:38,840 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:38,840 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:38,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:38,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:38,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:38,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:38,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:38,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-12 16:07:38,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:38,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:38,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:38,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:38,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:38,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:38,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:38,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:38,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:38,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:38,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:38,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-12 16:07:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:38,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:38,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:38,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:38,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:38,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:38,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:38,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:38,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:38,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:38,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:38,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-10-12 16:07:38,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:38,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:38,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:38,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:38,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:38,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:38,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:38,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:38,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:38,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:38,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:38,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-12 16:07:38,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:38,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:38,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:38,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:38,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:38,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:38,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:38,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:38,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:38,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:38,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:38,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-10-12 16:07:38,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:38,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:38,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:38,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:38,859 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:38,859 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:38,859 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:38,859 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:38,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:38,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:38,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:38,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-12 16:07:38,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:38,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:38,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:38,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:38,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:38,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:38,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:38,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:38,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:38,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:38,864 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:38,914 INFO L134 CoverageAnalysis]: Checked inductivity of 2353 backedges. 900 proven. 349 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2020-10-12 16:07:38,915 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [39295440] [2020-10-12 16:07:38,915 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:07:38,915 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56] total 56 [2020-10-12 16:07:38,915 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280974199] [2020-10-12 16:07:38,915 INFO L459 AbstractCegarLoop]: Interpolant automaton has 56 states [2020-10-12 16:07:38,915 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:07:38,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2020-10-12 16:07:38,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=686, Invalid=2394, Unknown=0, NotChecked=0, Total=3080 [2020-10-12 16:07:38,916 INFO L87 Difference]: Start difference. First operand 209 states and 210 transitions. Second operand 56 states. [2020-10-12 16:07:41,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:07:41,152 INFO L93 Difference]: Finished difference Result 292 states and 318 transitions. [2020-10-12 16:07:41,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2020-10-12 16:07:41,153 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 206 [2020-10-12 16:07:41,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:07:41,154 INFO L225 Difference]: With dead ends: 292 [2020-10-12 16:07:41,155 INFO L226 Difference]: Without dead ends: 210 [2020-10-12 16:07:41,156 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 767 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=722, Invalid=2700, Unknown=0, NotChecked=0, Total=3422 [2020-10-12 16:07:41,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2020-10-12 16:07:41,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 210. [2020-10-12 16:07:41,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-10-12 16:07:41,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 211 transitions. [2020-10-12 16:07:41,175 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 211 transitions. Word has length 206 [2020-10-12 16:07:41,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:07:41,175 INFO L479 AbstractCegarLoop]: Abstraction has 210 states and 211 transitions. [2020-10-12 16:07:41,175 INFO L480 AbstractCegarLoop]: Interpolant automaton has 56 states. [2020-10-12 16:07:41,176 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 211 transitions. [2020-10-12 16:07:41,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-10-12 16:07:41,177 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:07:41,177 INFO L422 BasicCegarLoop]: trace histogram [26, 25, 25, 25, 24, 24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:07:41,177 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable49 [2020-10-12 16:07:41,177 INFO L427 AbstractCegarLoop]: === Iteration 51 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:07:41,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:07:41,178 INFO L82 PathProgramCache]: Analyzing trace with hash 2086863046, now seen corresponding path program 48 times [2020-10-12 16:07:41,178 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:07:41,178 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1517609196] [2020-10-12 16:07:41,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:07:41,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:41,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:43,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:43,317 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 263 [2020-10-12 16:07:43,317 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:43,317 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2094 [2020-10-12 16:07:43,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:43,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-12 16:07:43,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:07:43,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 251 [2020-10-12 16:07:43,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:44,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:07:44,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:44,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:44,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:44,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:07:44,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:44,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:44,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:44,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:07:44,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:44,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:07:44,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:44,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 16:07:44,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:44,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:44,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:44,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:44,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:44,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:44,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:44,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:44,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:44,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:44,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:44,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 16:07:44,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:44,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:44,987 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:44,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:44,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:44,988 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:44,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:44,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:44,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:44,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:44,988 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:44,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 16:07:44,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:44,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:44,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:44,991 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:44,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:44,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:44,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:44,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:44,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:44,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:44,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:44,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 16:07:44,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:44,993 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:44,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:44,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:44,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:44,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:44,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:44,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:44,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:44,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:44,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:44,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-12 16:07:44,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:44,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:44,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:44,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:44,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:44,997 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:44,997 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:44,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:44,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:44,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:44,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:44,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-12 16:07:44,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:44,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:45,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:45,000 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:45,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:45,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:45,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:45,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:45,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:45,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:45,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:07:45,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:45,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:45,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:45,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:45,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:45,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:45,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:45,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:45,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:45,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:45,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-12 16:07:45,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:45,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:45,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:45,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:45,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:45,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:45,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:45,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:45,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:45,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:45,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 16:07:45,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:45,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:45,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:45,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:45,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:45,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:45,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:45,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:45,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:45,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:45,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-12 16:07:45,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:45,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:45,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:45,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:45,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:45,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:45,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:45,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:45,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:45,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:45,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 16:07:45,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:45,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:45,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:45,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:45,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:45,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:45,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:45,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:45,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:45,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:45,015 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-12 16:07:45,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:45,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:45,017 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:45,017 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:45,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:45,018 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:45,018 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:45,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:45,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:45,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:45,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-12 16:07:45,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:45,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:45,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:45,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:45,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:45,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:45,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:45,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:45,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:45,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:45,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-12 16:07:45,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:45,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:45,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:45,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:45,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:45,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:45,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:45,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:45,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:45,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:45,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-12 16:07:45,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:45,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:45,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:45,032 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:45,032 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:45,032 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:45,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:45,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:45,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:45,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:45,033 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 16:07:45,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:45,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:45,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:45,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:45,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:45,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:45,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:45,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:45,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:45,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:45,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-12 16:07:45,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:45,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:45,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:45,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:45,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:45,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:45,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:45,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:45,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:45,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:45,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-12 16:07:45,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:45,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:45,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:45,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:45,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:45,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:45,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:45,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:45,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:45,048 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:45,048 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-12 16:07:45,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:45,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:45,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:45,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:45,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:45,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:45,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:45,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:45,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:45,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:45,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-12 16:07:45,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:45,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:45,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:45,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:45,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:45,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:45,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:45,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:45,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:45,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:45,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-12 16:07:45,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:45,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:45,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:45,061 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:45,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:45,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:45,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:45,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:45,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:45,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:45,063 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-12 16:07:45,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:45,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:45,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:45,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:45,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:45,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:45,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:45,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:45,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:45,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:45,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-12 16:07:45,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:45,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:45,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:45,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:45,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:45,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:45,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:45,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:45,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:45,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:45,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-10-12 16:07:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:45,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:45,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:45,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:45,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:45,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:45,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:45,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:45,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:45,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:45,079 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:45,114 INFO L134 CoverageAnalysis]: Checked inductivity of 2379 backedges. 373 proven. 902 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2020-10-12 16:07:45,114 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1517609196] [2020-10-12 16:07:45,114 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:07:45,115 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55] total 55 [2020-10-12 16:07:45,115 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096546833] [2020-10-12 16:07:45,115 INFO L459 AbstractCegarLoop]: Interpolant automaton has 55 states [2020-10-12 16:07:45,115 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:07:45,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2020-10-12 16:07:45,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=732, Invalid=2238, Unknown=0, NotChecked=0, Total=2970 [2020-10-12 16:07:45,116 INFO L87 Difference]: Start difference. First operand 210 states and 211 transitions. Second operand 55 states. [2020-10-12 16:07:47,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:07:47,801 INFO L93 Difference]: Finished difference Result 223 states and 225 transitions. [2020-10-12 16:07:47,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-10-12 16:07:47,802 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 207 [2020-10-12 16:07:47,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:07:47,804 INFO L225 Difference]: With dead ends: 223 [2020-10-12 16:07:47,805 INFO L226 Difference]: Without dead ends: 221 [2020-10-12 16:07:47,805 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2502 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=3333, Invalid=7587, Unknown=0, NotChecked=0, Total=10920 [2020-10-12 16:07:47,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2020-10-12 16:07:47,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 217. [2020-10-12 16:07:47,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-10-12 16:07:47,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 218 transitions. [2020-10-12 16:07:47,819 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 218 transitions. Word has length 207 [2020-10-12 16:07:47,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:07:47,819 INFO L479 AbstractCegarLoop]: Abstraction has 217 states and 218 transitions. [2020-10-12 16:07:47,819 INFO L480 AbstractCegarLoop]: Interpolant automaton has 55 states. [2020-10-12 16:07:47,819 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 218 transitions. [2020-10-12 16:07:47,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-10-12 16:07:47,820 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:07:47,821 INFO L422 BasicCegarLoop]: trace histogram [26, 26, 26, 26, 25, 25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:07:47,821 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable50 [2020-10-12 16:07:47,821 INFO L427 AbstractCegarLoop]: === Iteration 52 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:07:47,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:07:47,821 INFO L82 PathProgramCache]: Analyzing trace with hash -1185293047, now seen corresponding path program 49 times [2020-10-12 16:07:47,821 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:07:47,821 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1028557927] [2020-10-12 16:07:47,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:07:47,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:47,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:49,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:49,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 272 [2020-10-12 16:07:49,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:49,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2128 [2020-10-12 16:07:49,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:49,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 57 [2020-10-12 16:07:49,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:07:49,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 260 [2020-10-12 16:07:49,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:52,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:07:52,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:52,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:52,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:52,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:07:52,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:52,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:52,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:52,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:07:52,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:52,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:07:52,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:52,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 16:07:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:52,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:52,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:52,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:52,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:52,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:52,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:52,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:52,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:52,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:52,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:52,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-12 16:07:52,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:52,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:52,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:52,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:52,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:52,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:52,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:52,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:52,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:52,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:52,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:52,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 16:07:52,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:52,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:52,319 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:52,319 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:52,319 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:52,319 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:52,319 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:52,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:52,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:52,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:52,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:52,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-12 16:07:52,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:52,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:52,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:52,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:52,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:52,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:52,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:52,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:52,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:52,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:52,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:52,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-12 16:07:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:52,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:52,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:52,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:52,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:52,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:52,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:52,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:52,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:52,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:52,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:52,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-12 16:07:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:52,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:52,329 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:52,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:52,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:52,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:52,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:52,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:52,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:52,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:52,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:52,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 16:07:52,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:52,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:52,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:52,334 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:52,334 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:52,334 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:52,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:52,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:52,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:52,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:52,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:52,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-12 16:07:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:52,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:52,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:52,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:52,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:52,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:52,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:52,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:52,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:52,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:52,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:52,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 16:07:52,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:52,340 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:52,341 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:52,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:52,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:52,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:52,342 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:52,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:52,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:52,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:52,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:52,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-12 16:07:52,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:52,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:52,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:52,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:52,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:52,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:52,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:52,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:52,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:52,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:52,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:52,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 16:07:52,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:52,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:52,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:52,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:52,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:52,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:52,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:52,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:52,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:52,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:52,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:52,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-12 16:07:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:52,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:52,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:52,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:52,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:52,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:52,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:52,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:52,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:52,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:52,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:52,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-12 16:07:52,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:52,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:52,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:52,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:52,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:52,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:52,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:52,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:52,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:52,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:52,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:52,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-12 16:07:52,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:52,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:52,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:52,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:52,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:52,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:52,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:52,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:52,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:52,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:52,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:52,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-12 16:07:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:52,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:52,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:52,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:52,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:52,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:07:52,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:52,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:52,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:52,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:52,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:52,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-12 16:07:52,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:52,370 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:52,371 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:52,371 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:52,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:52,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:52,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:52,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:52,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:52,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:52,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:52,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-12 16:07:52,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:52,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:52,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:52,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:52,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:52,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:52,375 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:52,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:52,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:52,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:52,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:52,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-12 16:07:52,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:52,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:52,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:52,379 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:52,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:52,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:52,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:52,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:52,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:52,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:52,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:52,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-12 16:07:52,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:52,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:52,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:52,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:52,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:52,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:52,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:52,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:52,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:52,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:52,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:52,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-12 16:07:52,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:52,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:52,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:52,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:52,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:52,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:52,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:52,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:52,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:52,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:52,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:52,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-12 16:07:52,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:52,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:52,391 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:52,392 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:52,392 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:52,392 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:52,392 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:52,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:52,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:52,392 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:52,393 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:52,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2020-10-12 16:07:52,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:52,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:52,396 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:52,396 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:52,397 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:52,397 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:52,397 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:52,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:52,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:52,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:52,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:52,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-12 16:07:52,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:52,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:52,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:52,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:52,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:52,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:52,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:52,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:52,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:52,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:52,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:52,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2020-10-12 16:07:52,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:52,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:52,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:52,405 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:52,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:52,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:52,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:52,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:52,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:52,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:52,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:52,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-12 16:07:52,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:52,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:52,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:52,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:52,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:52,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:52,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:52,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:52,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:52,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:52,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:52,462 INFO L134 CoverageAnalysis]: Checked inductivity of 2551 backedges. 975 proven. 376 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2020-10-12 16:07:52,462 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1028557927] [2020-10-12 16:07:52,462 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:07:52,462 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [58] total 58 [2020-10-12 16:07:52,462 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075647594] [2020-10-12 16:07:52,463 INFO L459 AbstractCegarLoop]: Interpolant automaton has 58 states [2020-10-12 16:07:52,463 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:07:52,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2020-10-12 16:07:52,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=763, Invalid=2543, Unknown=0, NotChecked=0, Total=3306 [2020-10-12 16:07:52,464 INFO L87 Difference]: Start difference. First operand 217 states and 218 transitions. Second operand 58 states. [2020-10-12 16:07:55,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:07:55,075 INFO L93 Difference]: Finished difference Result 303 states and 330 transitions. [2020-10-12 16:07:55,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2020-10-12 16:07:55,075 INFO L78 Accepts]: Start accepts. Automaton has 58 states. Word has length 214 [2020-10-12 16:07:55,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:07:55,077 INFO L225 Difference]: With dead ends: 303 [2020-10-12 16:07:55,077 INFO L226 Difference]: Without dead ends: 218 [2020-10-12 16:07:55,079 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 852 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=800, Invalid=2860, Unknown=0, NotChecked=0, Total=3660 [2020-10-12 16:07:55,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2020-10-12 16:07:55,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 218. [2020-10-12 16:07:55,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-10-12 16:07:55,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 219 transitions. [2020-10-12 16:07:55,099 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 219 transitions. Word has length 214 [2020-10-12 16:07:55,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:07:55,100 INFO L479 AbstractCegarLoop]: Abstraction has 218 states and 219 transitions. [2020-10-12 16:07:55,100 INFO L480 AbstractCegarLoop]: Interpolant automaton has 58 states. [2020-10-12 16:07:55,100 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 219 transitions. [2020-10-12 16:07:55,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2020-10-12 16:07:55,101 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:07:55,101 INFO L422 BasicCegarLoop]: trace histogram [27, 26, 26, 26, 25, 25, 25, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:07:55,102 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51 [2020-10-12 16:07:55,102 INFO L427 AbstractCegarLoop]: === Iteration 53 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:07:55,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:07:55,104 INFO L82 PathProgramCache]: Analyzing trace with hash 931190376, now seen corresponding path program 50 times [2020-10-12 16:07:55,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:07:55,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [689363120] [2020-10-12 16:07:55,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:07:55,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:55,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:57,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:57,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 273 [2020-10-12 16:07:57,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:57,260 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2117 [2020-10-12 16:07:57,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:57,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 56 [2020-10-12 16:07:57,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:07:57,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 261 [2020-10-12 16:07:57,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:07:59,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:07:59,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:59,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:07:59,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:07:59,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 16:07:59,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,013 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:59,014 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,014 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,014 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 16:07:59,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:59,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:07:59,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:59,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 16:07:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:59,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 16:07:59,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,025 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:59,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 16:07:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,028 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,028 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,028 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:59,028 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 16:07:59,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:59,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 16:07:59,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:59,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,033 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 16:07:59,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,036 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:59,036 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 16:07:59,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:59,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 16:07:59,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:59,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 16:07:59,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,044 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:59,044 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 16:07:59,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,047 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:59,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-12 16:07:59,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:59,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 16:07:59,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:59,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-12 16:07:59,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:59,055 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-12 16:07:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:59,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 16:07:59,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:59,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-12 16:07:59,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,063 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,063 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,063 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,063 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:59,063 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,064 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-12 16:07:59,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:59,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,067 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2020-10-12 16:07:59,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:59,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,069 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-10-12 16:07:59,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:59,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-10-12 16:07:59,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,075 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:59,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-12 16:07:59,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,077 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,078 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,078 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:07:59,078 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-12 16:07:59,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:07:59,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:07:59,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:07:59,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:07:59,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:07:59,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:07:59,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:07:59,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:07:59,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:07:59,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:07:59,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:07:59,108 INFO L134 CoverageAnalysis]: Checked inductivity of 2578 backedges. 401 proven. 977 refuted. 0 times theorem prover too weak. 1200 trivial. 0 not checked. [2020-10-12 16:07:59,108 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [689363120] [2020-10-12 16:07:59,108 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:07:59,109 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [57] total 57 [2020-10-12 16:07:59,109 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452296630] [2020-10-12 16:07:59,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 57 states [2020-10-12 16:07:59,109 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:07:59,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2020-10-12 16:07:59,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=787, Invalid=2405, Unknown=0, NotChecked=0, Total=3192 [2020-10-12 16:07:59,111 INFO L87 Difference]: Start difference. First operand 218 states and 219 transitions. Second operand 57 states. [2020-10-12 16:08:02,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:08:02,036 INFO L93 Difference]: Finished difference Result 231 states and 233 transitions. [2020-10-12 16:08:02,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2020-10-12 16:08:02,037 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 215 [2020-10-12 16:08:02,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:08:02,040 INFO L225 Difference]: With dead ends: 231 [2020-10-12 16:08:02,040 INFO L226 Difference]: Without dead ends: 229 [2020-10-12 16:08:02,041 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2706 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=3596, Invalid=8176, Unknown=0, NotChecked=0, Total=11772 [2020-10-12 16:08:02,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2020-10-12 16:08:02,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 225. [2020-10-12 16:08:02,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2020-10-12 16:08:02,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 226 transitions. [2020-10-12 16:08:02,060 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 226 transitions. Word has length 215 [2020-10-12 16:08:02,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:08:02,060 INFO L479 AbstractCegarLoop]: Abstraction has 225 states and 226 transitions. [2020-10-12 16:08:02,060 INFO L480 AbstractCegarLoop]: Interpolant automaton has 57 states. [2020-10-12 16:08:02,060 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 226 transitions. [2020-10-12 16:08:02,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-10-12 16:08:02,061 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:08:02,062 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 27, 27, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:08:02,062 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52 [2020-10-12 16:08:02,062 INFO L427 AbstractCegarLoop]: === Iteration 54 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:08:02,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:08:02,062 INFO L82 PathProgramCache]: Analyzing trace with hash -898577113, now seen corresponding path program 51 times [2020-10-12 16:08:02,063 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:08:02,063 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [168111970] [2020-10-12 16:08:02,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:08:02,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:02,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:04,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:04,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 282 [2020-10-12 16:08:04,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:04,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2299 [2020-10-12 16:08:04,399 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:04,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 59 [2020-10-12 16:08:04,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:08:04,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 270 [2020-10-12 16:08:04,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:08:07,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:08:07,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:07,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:08:07,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:08:07,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 16:08:07,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:07,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 16:08:07,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,013 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,013 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,013 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:07,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-12 16:08:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:07,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 16:08:07,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:07,020 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-12 16:08:07,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:07,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 16:08:07,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,027 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,027 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:07,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-12 16:08:07,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:07,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 16:08:07,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:07,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-12 16:08:07,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:07,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 16:08:07,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,043 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,043 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:07,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,044 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2020-10-12 16:08:07,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,047 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,047 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,047 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:07,047 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 16:08:07,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:07,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-10-12 16:08:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:07,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-12 16:08:07,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:07,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-12 16:08:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:08:07,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-12 16:08:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:08:07,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-12 16:08:07,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:08:07,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 16:08:07,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,083 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,083 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:08:07,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,084 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 162 [2020-10-12 16:08:07,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:08:07,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [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 16:08:07,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:08:07,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,098 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 176 [2020-10-12 16:08:07,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,103 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,103 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:08:07,103 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,104 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-10-12 16:08:07,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,109 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,109 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,109 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:08:07,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,110 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 190 [2020-10-12 16:08:07,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:08:07,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,116 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 16:08:07,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,117 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 197 [2020-10-12 16:08:07,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,128 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,128 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 16:08:07,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:07,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:07,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:08:07,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-10-12 16:08:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,135 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:07,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:07,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:07,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:08:07,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:07,137 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 211 [2020-10-12 16:08:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:07,142 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 16:08:07,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:07,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [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 16:08:07,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:07,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:07,262 INFO L134 CoverageAnalysis]: Checked inductivity of 2757 backedges. 1053 proven. 404 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2020-10-12 16:08:07,262 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [168111970] [2020-10-12 16:08:07,262 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:08:07,263 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60] total 60 [2020-10-12 16:08:07,263 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833829517] [2020-10-12 16:08:07,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 60 states [2020-10-12 16:08:07,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:08:07,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2020-10-12 16:08:07,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=794, Invalid=2746, Unknown=0, NotChecked=0, Total=3540 [2020-10-12 16:08:07,264 INFO L87 Difference]: Start difference. First operand 225 states and 226 transitions. Second operand 60 states. [2020-10-12 16:08:09,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:08:09,648 INFO L93 Difference]: Finished difference Result 314 states and 342 transitions. [2020-10-12 16:08:09,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2020-10-12 16:08:09,649 INFO L78 Accepts]: Start accepts. Automaton has 60 states. Word has length 222 [2020-10-12 16:08:09,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:08:09,650 INFO L225 Difference]: With dead ends: 314 [2020-10-12 16:08:09,650 INFO L226 Difference]: Without dead ends: 226 [2020-10-12 16:08:09,651 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 883 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=832, Invalid=3074, Unknown=0, NotChecked=0, Total=3906 [2020-10-12 16:08:09,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-10-12 16:08:09,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2020-10-12 16:08:09,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-10-12 16:08:09,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 227 transitions. [2020-10-12 16:08:09,671 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 227 transitions. Word has length 222 [2020-10-12 16:08:09,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:08:09,671 INFO L479 AbstractCegarLoop]: Abstraction has 226 states and 227 transitions. [2020-10-12 16:08:09,671 INFO L480 AbstractCegarLoop]: Interpolant automaton has 60 states. [2020-10-12 16:08:09,672 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 227 transitions. [2020-10-12 16:08:09,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-10-12 16:08:09,673 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:08:09,673 INFO L422 BasicCegarLoop]: trace histogram [28, 27, 27, 27, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:08:09,673 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53 [2020-10-12 16:08:09,673 INFO L427 AbstractCegarLoop]: === Iteration 55 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:08:09,673 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:08:09,674 INFO L82 PathProgramCache]: Analyzing trace with hash 1475606406, now seen corresponding path program 52 times [2020-10-12 16:08:09,674 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:08:09,674 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [918736103] [2020-10-12 16:08:09,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:08:09,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:09,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:11,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:11,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 283 [2020-10-12 16:08:11,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:11,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2225 [2020-10-12 16:08:11,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:11,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 58 [2020-10-12 16:08:11,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:08:11,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 271 [2020-10-12 16:08:11,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:13,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:08:13,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:13,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:13,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:13,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:08:13,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:13,943 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:13,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:13,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:08:13,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:13,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:08:13,944 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:13,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 16:08:13,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:13,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:13,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:13,947 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:13,947 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:13,947 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:13,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:13,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:13,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:13,948 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:13,948 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:13,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 16:08:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:13,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:13,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:13,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:13,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:13,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:13,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:13,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:13,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:13,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:13,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:13,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 16:08:13,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:13,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:13,953 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:13,953 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:13,953 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:13,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:13,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:13,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:13,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:13,954 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:13,954 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:13,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 16:08:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:13,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:13,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:13,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:13,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:13,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:13,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:13,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:13,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:13,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:13,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:13,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 16:08:13,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:13,958 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:13,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:13,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:13,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:13,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:13,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:13,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:13,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:13,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:13,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:13,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 16:08:13,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:13,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:13,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:13,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:13,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:13,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:13,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:13,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:13,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:13,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:13,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:13,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-12 16:08:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:13,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:13,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:13,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:13,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:13,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:08:13,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:13,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:13,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:13,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:13,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:13,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 16:08:13,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:13,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:13,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:13,970 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:13,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:13,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:13,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:13,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:13,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:13,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:13,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:13,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 16:08:13,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:13,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:13,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:13,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:13,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:13,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:13,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:13,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:13,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:13,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:13,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:13,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 16:08:13,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:13,976 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:13,977 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:13,977 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:13,977 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:13,977 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:13,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:13,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:13,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:13,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:13,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:13,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 16:08:13,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:13,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:13,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:13,980 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:13,980 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:13,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:13,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:13,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:13,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:13,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:13,981 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:13,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-12 16:08:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:13,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:13,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:13,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:13,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:13,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:13,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:13,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:13,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:13,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:13,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:13,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 16:08:13,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:13,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:13,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:13,986 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:13,986 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:13,986 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:13,986 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:13,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:13,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:13,987 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:13,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:13,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-12 16:08:13,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:13,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:13,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:13,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:13,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:13,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:13,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:13,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:13,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:13,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:13,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:13,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-12 16:08:13,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:13,991 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:13,992 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:13,992 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:13,992 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:13,992 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:13,992 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:13,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:13,992 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:13,993 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:13,993 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:13,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 16:08:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:13,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:13,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:13,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:13,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:13,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:13,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:13,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:13,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:13,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:13,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:13,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 16:08:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:13,998 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:13,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:13,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:13,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:13,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:13,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:13,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:13,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:14,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:14,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:14,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-12 16:08:14,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:14,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:14,002 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:14,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:14,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:14,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:14,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:14,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:14,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:14,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:14,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:14,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-12 16:08:14,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:14,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:14,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:14,006 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:14,006 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:14,006 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:14,006 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:14,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:14,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:14,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:14,007 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:14,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-12 16:08:14,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:14,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:14,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:14,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:14,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:14,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:14,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:14,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:14,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:14,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:14,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:14,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-12 16:08:14,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:14,011 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:14,012 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:14,012 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:14,012 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:14,012 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:14,013 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:14,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:14,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:14,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:14,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:14,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-10-12 16:08:14,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:14,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:14,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:14,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:14,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:14,016 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:14,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:14,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:14,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:14,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:14,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:14,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-10-12 16:08:14,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:14,018 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:14,019 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:14,019 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:14,019 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:14,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:14,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:14,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:14,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:14,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:14,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:14,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-10-12 16:08:14,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:14,021 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:14,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:14,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:14,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:14,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:14,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:14,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:14,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:14,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:14,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:14,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-12 16:08:14,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:14,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:14,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:14,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:14,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:14,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:14,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:14,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:14,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:14,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:14,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:14,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-12 16:08:14,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:14,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:14,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:14,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:14,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:14,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:14,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:14,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:14,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:14,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:14,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:14,056 INFO L134 CoverageAnalysis]: Checked inductivity of 2785 backedges. 430 proven. 1055 refuted. 0 times theorem prover too weak. 1300 trivial. 0 not checked. [2020-10-12 16:08:14,056 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [918736103] [2020-10-12 16:08:14,056 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:08:14,057 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [59] total 59 [2020-10-12 16:08:14,057 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2097994422] [2020-10-12 16:08:14,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 59 states [2020-10-12 16:08:14,057 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:08:14,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2020-10-12 16:08:14,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=844, Invalid=2578, Unknown=0, NotChecked=0, Total=3422 [2020-10-12 16:08:14,058 INFO L87 Difference]: Start difference. First operand 226 states and 227 transitions. Second operand 59 states. [2020-10-12 16:08:17,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:08:17,251 INFO L93 Difference]: Finished difference Result 239 states and 241 transitions. [2020-10-12 16:08:17,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2020-10-12 16:08:17,252 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 223 [2020-10-12 16:08:17,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:08:17,254 INFO L225 Difference]: With dead ends: 239 [2020-10-12 16:08:17,254 INFO L226 Difference]: Without dead ends: 237 [2020-10-12 16:08:17,256 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2918 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=3869, Invalid=8787, Unknown=0, NotChecked=0, Total=12656 [2020-10-12 16:08:17,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-10-12 16:08:17,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 233. [2020-10-12 16:08:17,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-12 16:08:17,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 234 transitions. [2020-10-12 16:08:17,277 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 234 transitions. Word has length 223 [2020-10-12 16:08:17,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:08:17,278 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 234 transitions. [2020-10-12 16:08:17,278 INFO L480 AbstractCegarLoop]: Interpolant automaton has 59 states. [2020-10-12 16:08:17,278 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 234 transitions. [2020-10-12 16:08:17,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2020-10-12 16:08:17,279 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:08:17,279 INFO L422 BasicCegarLoop]: trace histogram [28, 28, 28, 28, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:08:17,279 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54 [2020-10-12 16:08:17,280 INFO L427 AbstractCegarLoop]: === Iteration 56 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:08:17,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:08:17,280 INFO L82 PathProgramCache]: Analyzing trace with hash 97111625, now seen corresponding path program 53 times [2020-10-12 16:08:17,280 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:08:17,280 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [533470244] [2020-10-12 16:08:17,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:08:17,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:17,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:20,426 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:20,426 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 292 [2020-10-12 16:08:20,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:20,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3093 [2020-10-12 16:08:20,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:20,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 61 [2020-10-12 16:08:20,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:08:20,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 280 [2020-10-12 16:08:20,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:23,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:08:23,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:23,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:23,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:23,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:08:23,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:23,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:23,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:23,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:08:23,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:23,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:08:23,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:23,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 16:08:23,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:23,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:23,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:23,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:23,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:23,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:23,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:23,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:23,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:23,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:23,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:23,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-12 16:08:23,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:23,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:23,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:23,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:23,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:23,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:23,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:23,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:23,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:23,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:23,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:23,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 16:08:23,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:23,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:23,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:23,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:23,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:23,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:23,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:23,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:23,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:23,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:23,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:23,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 16:08:23,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:23,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:23,054 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:23,054 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:23,054 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:23,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:23,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:23,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:23,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:23,055 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:23,055 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:23,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 16:08:23,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:23,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:23,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:23,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:23,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:23,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:23,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:23,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:23,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:23,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:23,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:23,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-10-12 16:08:23,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:23,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:23,061 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:23,062 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:23,062 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:23,062 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:23,062 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:23,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:23,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:23,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:23,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:23,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-12 16:08:23,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:23,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:23,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:23,065 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:23,065 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:23,065 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:23,065 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:23,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:23,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:23,066 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:23,066 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:23,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-10-12 16:08:23,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:23,068 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:23,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:23,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:23,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:23,069 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:23,069 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:23,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:23,069 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:23,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:23,070 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:23,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 16:08:23,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:23,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:23,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:23,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:23,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:23,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:23,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:23,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:23,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:23,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:23,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:23,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-10-12 16:08:23,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:23,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:23,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:23,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:23,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:23,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:23,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:23,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:23,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:23,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:23,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:23,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 16:08:23,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:23,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:23,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:23,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:23,080 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:23,080 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:23,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:23,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:23,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:23,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:23,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:23,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-12 16:08:23,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:23,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:23,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:23,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:23,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:23,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:23,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:23,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:23,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:23,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:23,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:23,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 16:08:23,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:23,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:23,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:23,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:23,089 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:23,089 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:23,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:23,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:23,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:23,090 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:23,090 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:23,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2020-10-12 16:08:23,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:23,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:23,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:23,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:23,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:23,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:23,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:23,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:23,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:23,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:23,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:23,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-12 16:08:23,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:23,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:23,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:23,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:23,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:23,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:23,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:23,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:23,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:23,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:23,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:23,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-12 16:08:23,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:23,101 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:23,102 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:23,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:23,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:23,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:23,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:23,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:23,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:23,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:23,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:23,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 16:08:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:23,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:23,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:23,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:23,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:23,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:23,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:23,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:23,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:23,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:23,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:23,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-10-12 16:08:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:23,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:23,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:23,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:23,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:23,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:23,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:23,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:23,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:23,110 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:23,110 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:23,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-12 16:08:23,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:23,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:23,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:23,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:23,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:23,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:23,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:23,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:23,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:23,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:23,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:23,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-10-12 16:08:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:23,117 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:23,118 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:23,118 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:23,118 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:23,118 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:23,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:23,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:23,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:23,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:23,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:23,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-12 16:08:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:23,123 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:23,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:23,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:23,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:23,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:23,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:23,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:23,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:23,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:23,126 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:23,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-10-12 16:08:23,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:23,128 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:23,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:23,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:23,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:23,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:23,129 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:23,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:23,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:23,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:23,130 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:23,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-10-12 16:08:23,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:23,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:23,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:23,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:23,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:23,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:23,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:23,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:23,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:23,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:23,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:23,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-10-12 16:08:23,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:23,138 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:23,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:23,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:23,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:23,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:23,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:23,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:23,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:23,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:23,140 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:23,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-12 16:08:23,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:23,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:23,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:23,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:23,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:23,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:08:23,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:23,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:23,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:23,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:23,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:23,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-12 16:08:23,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:23,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:23,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:23,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:23,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:23,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:23,150 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:23,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:23,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:23,150 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:23,150 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:23,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-12 16:08:23,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:23,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:23,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:23,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:23,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:23,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:23,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:23,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:23,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:23,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:23,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:23,209 INFO L134 CoverageAnalysis]: Checked inductivity of 2971 backedges. 1134 proven. 433 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2020-10-12 16:08:23,210 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [533470244] [2020-10-12 16:08:23,210 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:08:23,210 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [62] total 62 [2020-10-12 16:08:23,210 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330024040] [2020-10-12 16:08:23,210 INFO L459 AbstractCegarLoop]: Interpolant automaton has 62 states [2020-10-12 16:08:23,211 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:08:23,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2020-10-12 16:08:23,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=905, Invalid=2877, Unknown=0, NotChecked=0, Total=3782 [2020-10-12 16:08:23,211 INFO L87 Difference]: Start difference. First operand 233 states and 234 transitions. Second operand 62 states. [2020-10-12 16:08:26,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:08:26,110 INFO L93 Difference]: Finished difference Result 325 states and 354 transitions. [2020-10-12 16:08:26,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2020-10-12 16:08:26,111 INFO L78 Accepts]: Start accepts. Automaton has 62 states. Word has length 230 [2020-10-12 16:08:26,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:08:26,113 INFO L225 Difference]: With dead ends: 325 [2020-10-12 16:08:26,113 INFO L226 Difference]: Without dead ends: 234 [2020-10-12 16:08:26,115 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1005 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=944, Invalid=3216, Unknown=0, NotChecked=0, Total=4160 [2020-10-12 16:08:26,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2020-10-12 16:08:26,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2020-10-12 16:08:26,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 234 states. [2020-10-12 16:08:26,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 235 transitions. [2020-10-12 16:08:26,137 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 235 transitions. Word has length 230 [2020-10-12 16:08:26,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:08:26,137 INFO L479 AbstractCegarLoop]: Abstraction has 234 states and 235 transitions. [2020-10-12 16:08:26,137 INFO L480 AbstractCegarLoop]: Interpolant automaton has 62 states. [2020-10-12 16:08:26,137 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 235 transitions. [2020-10-12 16:08:26,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2020-10-12 16:08:26,139 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:08:26,139 INFO L422 BasicCegarLoop]: trace histogram [29, 28, 28, 28, 27, 27, 27, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:08:26,139 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable55 [2020-10-12 16:08:26,139 INFO L427 AbstractCegarLoop]: === Iteration 57 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:08:26,139 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:08:26,139 INFO L82 PathProgramCache]: Analyzing trace with hash -1612174936, now seen corresponding path program 54 times [2020-10-12 16:08:26,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:08:26,140 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1020342886] [2020-10-12 16:08:26,140 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:08:26,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:26,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:28,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:28,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 293 [2020-10-12 16:08:28,872 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:28,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2690 [2020-10-12 16:08:28,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:28,872 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 60 [2020-10-12 16:08:28,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:08:28,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 281 [2020-10-12 16:08:28,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:31,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:08:31,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:31,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:31,177 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:31,177 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:08:31,177 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:31,177 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:31,178 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:31,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:08:31,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:31,178 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:08:31,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:31,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 16:08:31,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:31,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:31,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:31,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:31,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:31,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:31,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:31,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:31,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:31,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:31,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:31,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 16:08:31,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:31,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:31,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:31,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:31,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:31,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:31,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:31,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:31,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:31,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:31,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:31,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-12 16:08:31,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:31,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:31,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:31,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:31,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:31,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:31,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:31,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:31,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:31,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:31,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:31,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:08:31,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:31,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:31,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:31,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:31,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:31,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:31,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:31,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:31,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:31,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:31,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:31,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-12 16:08:31,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:31,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:31,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:31,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:31,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:31,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:31,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:31,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:31,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:31,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:31,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:31,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 16:08:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:31,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:31,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:31,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:31,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:31,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:31,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:31,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:31,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:31,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:31,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:31,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-12 16:08:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:31,198 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:31,198 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:31,198 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:31,199 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:31,199 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:31,199 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:31,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:31,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:31,199 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:31,199 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:31,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 16:08:31,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:31,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:31,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:31,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:31,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:31,202 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:31,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:31,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:31,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:31,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:31,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:31,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 16:08:31,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:31,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:31,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:31,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:31,204 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:31,204 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:31,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:31,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:31,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:31,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:31,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:31,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 16:08:31,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:31,206 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:31,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:31,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:31,207 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:31,207 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:31,208 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:31,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:31,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:31,208 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:31,208 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:31,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 16:08:31,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:31,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:31,210 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:31,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:31,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:31,211 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:31,211 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:31,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:31,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:31,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:31,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:31,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 16:08:31,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:31,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:31,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:31,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:31,214 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:31,214 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:31,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:31,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:31,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:31,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:31,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:31,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 16:08:31,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:31,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:31,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:31,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:31,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:31,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:31,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:31,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:31,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:31,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:31,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:31,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 16:08:31,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:31,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:31,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:31,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:31,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:31,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:31,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:31,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:31,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:31,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:31,220 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:31,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-12 16:08:31,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:31,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:31,223 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:31,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:31,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:31,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:31,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:31,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:31,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:31,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:31,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:31,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-12 16:08:31,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:31,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:31,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:31,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:31,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:31,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:31,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:31,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:31,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:31,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:31,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:31,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-12 16:08:31,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:31,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:31,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:31,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:31,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:31,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:31,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:31,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:31,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:31,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:31,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:31,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-12 16:08:31,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:31,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:31,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:31,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:31,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:31,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:31,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:31,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:31,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:31,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:31,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:31,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-12 16:08:31,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:31,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:31,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:31,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:31,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:31,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:31,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:31,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:31,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:31,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:31,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:31,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-12 16:08:31,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:31,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:31,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:31,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:31,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:31,239 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:31,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:31,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:31,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:31,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:31,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:31,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-12 16:08:31,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:31,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:31,242 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:31,242 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:31,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:31,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:31,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:31,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:31,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:31,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:31,243 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:31,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 16:08:31,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:31,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:31,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:31,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:31,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:31,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:31,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:31,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:31,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:31,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:31,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:31,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-12 16:08:31,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:31,250 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:31,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:31,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:31,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:31,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:31,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:31,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:31,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:31,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:31,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:31,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-12 16:08:31,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:31,254 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:31,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:31,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:31,255 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:31,255 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:31,255 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:31,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:31,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:31,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:31,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:31,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-10-12 16:08:31,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:31,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:31,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:31,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:31,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:31,258 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:31,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:31,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:31,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:31,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:31,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:31,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-12 16:08:31,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:31,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:31,261 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:31,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:31,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:31,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:31,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:31,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:31,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:31,262 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:31,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:31,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-12 16:08:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:31,264 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:31,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:31,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:31,287 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:31,288 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:31,288 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:31,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:31,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:31,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:31,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:31,318 INFO L134 CoverageAnalysis]: Checked inductivity of 3000 backedges. 460 proven. 1136 refuted. 0 times theorem prover too weak. 1404 trivial. 0 not checked. [2020-10-12 16:08:31,319 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1020342886] [2020-10-12 16:08:31,319 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:08:31,319 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [61] total 61 [2020-10-12 16:08:31,319 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471220446] [2020-10-12 16:08:31,319 INFO L459 AbstractCegarLoop]: Interpolant automaton has 61 states [2020-10-12 16:08:31,319 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:08:31,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2020-10-12 16:08:31,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=903, Invalid=2757, Unknown=0, NotChecked=0, Total=3660 [2020-10-12 16:08:31,320 INFO L87 Difference]: Start difference. First operand 234 states and 235 transitions. Second operand 61 states. [2020-10-12 16:08:34,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:08:34,928 INFO L93 Difference]: Finished difference Result 247 states and 249 transitions. [2020-10-12 16:08:34,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2020-10-12 16:08:34,930 INFO L78 Accepts]: Start accepts. Automaton has 61 states. Word has length 231 [2020-10-12 16:08:34,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:08:34,932 INFO L225 Difference]: With dead ends: 247 [2020-10-12 16:08:34,932 INFO L226 Difference]: Without dead ends: 245 [2020-10-12 16:08:34,934 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3138 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=4152, Invalid=9420, Unknown=0, NotChecked=0, Total=13572 [2020-10-12 16:08:34,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2020-10-12 16:08:34,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 241. [2020-10-12 16:08:34,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2020-10-12 16:08:34,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 242 transitions. [2020-10-12 16:08:34,955 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 242 transitions. Word has length 231 [2020-10-12 16:08:34,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:08:34,955 INFO L479 AbstractCegarLoop]: Abstraction has 241 states and 242 transitions. [2020-10-12 16:08:34,955 INFO L480 AbstractCegarLoop]: Interpolant automaton has 61 states. [2020-10-12 16:08:34,956 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 242 transitions. [2020-10-12 16:08:34,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2020-10-12 16:08:34,957 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:08:34,957 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 29, 29, 28, 28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:08:34,957 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56 [2020-10-12 16:08:34,958 INFO L427 AbstractCegarLoop]: === Iteration 58 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:08:34,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:08:34,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1778471399, now seen corresponding path program 55 times [2020-10-12 16:08:34,958 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:08:34,958 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2053820308] [2020-10-12 16:08:34,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:08:35,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:35,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:37,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:37,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 302 [2020-10-12 16:08:37,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:37,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2792 [2020-10-12 16:08:37,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:37,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 63 [2020-10-12 16:08:37,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:08:37,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 290 [2020-10-12 16:08:37,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:41,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:08:41,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:41,460 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:41,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:41,460 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:08:41,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:41,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:41,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:41,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:08:41,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:41,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:08:41,461 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:41,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-12 16:08:41,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:41,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:41,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:41,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:41,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:41,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:08:41,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:41,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:41,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:41,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:41,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:41,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 16:08:41,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:41,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:41,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:41,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:41,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:41,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:08:41,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:41,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:41,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:41,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:41,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:41,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-12 16:08:41,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:41,474 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:41,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:41,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:41,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:41,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:08:41,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:41,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:41,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:41,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:41,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:41,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 16:08:41,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:41,480 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:41,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:41,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:41,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:41,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:08:41,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:41,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:41,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:41,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:41,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:41,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-12 16:08:41,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:41,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:41,488 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:41,488 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:41,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:41,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:08:41,489 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:41,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:41,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:41,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:41,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:41,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 16:08:41,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:41,492 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:41,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:41,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:41,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:41,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:08:41,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:41,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:41,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:41,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:41,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:41,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2020-10-12 16:08:41,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:41,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:41,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:41,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:41,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:41,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:08:41,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:41,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:41,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:41,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:41,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:41,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 16:08:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:41,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:41,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:41,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:41,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:41,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:08:41,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:41,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:41,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:41,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:41,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:41,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-12 16:08:41,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:41,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:41,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:41,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:41,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:41,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 16:08:41,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:41,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:41,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:41,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:41,514 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:41,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 16:08:41,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:41,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:41,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:41,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:41,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:41,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:08:41,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:41,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:41,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:41,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:41,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:41,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-12 16:08:41,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:41,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:41,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:41,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:41,526 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:41,526 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:08:41,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:41,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:41,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:41,527 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:41,527 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:41,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 16:08:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:41,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:41,532 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:41,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:41,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:41,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:08:41,533 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:41,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:41,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:41,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:41,534 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:41,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-10-12 16:08:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:41,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:41,538 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:41,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:41,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:41,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:08:41,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:41,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:41,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:41,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:41,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:41,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 16:08:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:41,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:41,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:41,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:41,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:41,546 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:08:41,546 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:41,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:41,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:41,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:41,547 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:41,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-12 16:08:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:41,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:41,551 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:41,551 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:41,551 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:41,552 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:08:41,552 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:41,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:41,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:41,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:41,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:41,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-12 16:08:41,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:41,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:41,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:41,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:41,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:41,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:08:41,558 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:41,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:41,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:41,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:41,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:41,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-12 16:08:41,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:41,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:41,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:41,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:41,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:41,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:08:41,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:41,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:41,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:41,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:41,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:41,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-12 16:08:41,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:41,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:41,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:41,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:41,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:41,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:08:41,575 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:41,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:41,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:41,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:41,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:41,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-10-12 16:08:41,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:41,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:41,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:41,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:41,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:41,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:08:41,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:41,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:41,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:41,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:41,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:41,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-12 16:08:41,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:41,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:41,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:41,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:41,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:41,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:08:41,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:41,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:41,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:41,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:41,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:41,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-12 16:08:41,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:41,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:41,592 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:41,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:41,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:41,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:08:41,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:41,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:41,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:41,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:41,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:41,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 16:08:41,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:41,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:41,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:41,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:41,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:41,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:08:41,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:41,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:41,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:41,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:41,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:41,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2020-10-12 16:08:41,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:41,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:41,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:41,605 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:41,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:41,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:08:41,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:41,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:41,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:41,606 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:41,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:41,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-12 16:08:41,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:41,609 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:41,611 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:41,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:41,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:41,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:08:41,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:41,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:41,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:41,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:41,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:41,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2020-10-12 16:08:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:41,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:41,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:41,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:41,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:41,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:08:41,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:41,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:41,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:41,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:41,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:41,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-12 16:08:41,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:41,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:41,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:41,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:41,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:41,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:41,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:41,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:41,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:41,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:41,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:41,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2020-10-12 16:08:41,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:41,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:41,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:41,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:41,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:41,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:41,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:41,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:41,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:41,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:41,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:41,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-12 16:08:41,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:41,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:41,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:41,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:41,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:41,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:08:41,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:41,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:41,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:41,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:41,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:41,708 INFO L134 CoverageAnalysis]: Checked inductivity of 3193 backedges. 1218 proven. 463 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2020-10-12 16:08:41,708 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2053820308] [2020-10-12 16:08:41,708 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:08:41,708 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64] total 64 [2020-10-12 16:08:41,709 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457687367] [2020-10-12 16:08:41,709 INFO L459 AbstractCegarLoop]: Interpolant automaton has 64 states [2020-10-12 16:08:41,709 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:08:41,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2020-10-12 16:08:41,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=664, Invalid=3368, Unknown=0, NotChecked=0, Total=4032 [2020-10-12 16:08:41,710 INFO L87 Difference]: Start difference. First operand 241 states and 242 transitions. Second operand 64 states. [2020-10-12 16:08:44,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:08:44,775 INFO L93 Difference]: Finished difference Result 336 states and 366 transitions. [2020-10-12 16:08:44,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2020-10-12 16:08:44,776 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 238 [2020-10-12 16:08:44,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:08:44,778 INFO L225 Difference]: With dead ends: 336 [2020-10-12 16:08:44,778 INFO L226 Difference]: Without dead ends: 242 [2020-10-12 16:08:44,779 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1049 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=752, Invalid=5410, Unknown=0, NotChecked=0, Total=6162 [2020-10-12 16:08:44,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-10-12 16:08:44,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2020-10-12 16:08:44,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-10-12 16:08:44,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 243 transitions. [2020-10-12 16:08:44,802 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 243 transitions. Word has length 238 [2020-10-12 16:08:44,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:08:44,802 INFO L479 AbstractCegarLoop]: Abstraction has 242 states and 243 transitions. [2020-10-12 16:08:44,802 INFO L480 AbstractCegarLoop]: Interpolant automaton has 64 states. [2020-10-12 16:08:44,802 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 243 transitions. [2020-10-12 16:08:44,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-10-12 16:08:44,804 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:08:44,804 INFO L422 BasicCegarLoop]: trace histogram [30, 29, 29, 29, 28, 28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:08:44,804 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable57 [2020-10-12 16:08:44,804 INFO L427 AbstractCegarLoop]: === Iteration 59 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:08:44,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:08:44,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1593433670, now seen corresponding path program 56 times [2020-10-12 16:08:44,805 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:08:44,805 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [681370416] [2020-10-12 16:08:44,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:08:44,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:44,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:47,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:47,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 303 [2020-10-12 16:08:47,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:47,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2774 [2020-10-12 16:08:47,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:47,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 62 [2020-10-12 16:08:47,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:08:47,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 291 [2020-10-12 16:08:47,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:50,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:08:50,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:50,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:50,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:50,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:08:50,060 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:50,060 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:50,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:50,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:08:50,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:50,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:08:50,061 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:50,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 16:08:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:50,063 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:50,064 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:50,064 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:50,064 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:50,064 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:50,064 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:50,064 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:50,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:50,065 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:50,065 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:50,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 16:08:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:50,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:50,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:50,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:50,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:50,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:50,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:50,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:50,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:50,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:50,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:50,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 16:08:50,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:50,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:50,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:50,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:50,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:50,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:50,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:50,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:50,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:50,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:50,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:50,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 16:08:50,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:50,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:50,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:50,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:50,073 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:50,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:50,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:50,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:50,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:50,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:50,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:50,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 16:08:50,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:50,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:50,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:50,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:50,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:50,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:50,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:50,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:50,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:50,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:50,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:50,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-12 16:08:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:50,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:50,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:50,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:50,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:50,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:50,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:50,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:50,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:50,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:50,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:50,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-12 16:08:50,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:50,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:50,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:50,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:50,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:50,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:50,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:50,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:50,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:50,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:50,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:50,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-12 16:08:50,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:50,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:50,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:50,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:50,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:50,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:50,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:50,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:50,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:50,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:50,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:50,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 16:08:50,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:50,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:50,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:50,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:50,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:50,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:50,088 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:50,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:50,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:50,088 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:50,088 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:50,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-12 16:08:50,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:50,090 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:50,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:50,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:50,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:50,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:50,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:50,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:50,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:50,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:50,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:50,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 16:08:50,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:50,093 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:50,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:50,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:50,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:50,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:08:50,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:50,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:50,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:50,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:50,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:50,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-12 16:08:50,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:50,096 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:50,097 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:50,097 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:50,097 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:50,097 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:50,097 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:50,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:50,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:50,098 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:50,098 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:50,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 16:08:50,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:50,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:50,101 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:50,102 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:50,102 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:50,102 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:50,102 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:50,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:50,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:50,103 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:50,103 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:50,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-12 16:08:50,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:50,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:50,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:50,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:50,107 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:50,107 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:50,107 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:50,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:50,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:50,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:50,108 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:50,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-12 16:08:50,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:50,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:50,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:50,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:50,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:50,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:50,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:50,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:50,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:50,113 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:50,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:50,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 16:08:50,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:50,115 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:50,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:50,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:50,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:50,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:50,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:50,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:50,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:50,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:50,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:50,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-12 16:08:50,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:50,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:50,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:50,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:50,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:50,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:50,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:50,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:50,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:50,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:50,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:50,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-12 16:08:50,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:50,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:50,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:50,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:50,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:50,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:50,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:50,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:50,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:50,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:50,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:50,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-12 16:08:50,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:50,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:50,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:50,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:50,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:50,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:50,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:50,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:50,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:50,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:50,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:50,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-12 16:08:50,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:50,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:50,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:50,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:50,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:50,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:50,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:50,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:50,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:50,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:50,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:50,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-12 16:08:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:50,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:50,142 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:50,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:50,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:50,143 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:50,143 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:50,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:50,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:50,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:50,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:50,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-10-12 16:08:50,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:50,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:50,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:50,148 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:50,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:50,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:50,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:50,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:50,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:50,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:50,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:50,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-12 16:08:50,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:50,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:50,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:50,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:50,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:50,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:50,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:50,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:50,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:50,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:50,154 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:50,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-12 16:08:50,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:50,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:50,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:50,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:50,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:50,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:50,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:50,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:50,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:50,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:50,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:50,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-10-12 16:08:50,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:50,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:50,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:50,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:50,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:50,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:50,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:50,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:50,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:50,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:50,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:50,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-10-12 16:08:50,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:50,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:50,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:50,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:50,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:50,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:50,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:50,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:50,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:50,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:50,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:50,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-12 16:08:50,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:50,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:50,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:50,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:50,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:50,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:08:50,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:50,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:50,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:50,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:50,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:08:50,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-10-12 16:08:50,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:50,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:50,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:50,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:08:50,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:50,181 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:08:50,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:50,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:08:50,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:08:50,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:08:50,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 16:08:50,254 INFO L134 CoverageAnalysis]: Checked inductivity of 3223 backedges. 491 proven. 1220 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2020-10-12 16:08:50,255 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [681370416] [2020-10-12 16:08:50,255 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:08:50,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [63] total 63 [2020-10-12 16:08:50,255 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933225075] [2020-10-12 16:08:50,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 63 states [2020-10-12 16:08:50,256 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:08:50,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2020-10-12 16:08:50,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=964, Invalid=2942, Unknown=0, NotChecked=0, Total=3906 [2020-10-12 16:08:50,257 INFO L87 Difference]: Start difference. First operand 242 states and 243 transitions. Second operand 63 states. [2020-10-12 16:08:53,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:08:53,969 INFO L93 Difference]: Finished difference Result 255 states and 257 transitions. [2020-10-12 16:08:53,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2020-10-12 16:08:53,971 INFO L78 Accepts]: Start accepts. Automaton has 63 states. Word has length 239 [2020-10-12 16:08:53,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:08:53,973 INFO L225 Difference]: With dead ends: 255 [2020-10-12 16:08:53,973 INFO L226 Difference]: Without dead ends: 253 [2020-10-12 16:08:53,975 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3366 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=4445, Invalid=10075, Unknown=0, NotChecked=0, Total=14520 [2020-10-12 16:08:53,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-10-12 16:08:53,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 249. [2020-10-12 16:08:53,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-10-12 16:08:53,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 250 transitions. [2020-10-12 16:08:53,997 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 250 transitions. Word has length 239 [2020-10-12 16:08:53,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:08:53,998 INFO L479 AbstractCegarLoop]: Abstraction has 249 states and 250 transitions. [2020-10-12 16:08:53,998 INFO L480 AbstractCegarLoop]: Interpolant automaton has 63 states. [2020-10-12 16:08:53,998 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 250 transitions. [2020-10-12 16:08:53,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-10-12 16:08:53,999 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:08:54,000 INFO L422 BasicCegarLoop]: trace histogram [30, 30, 30, 30, 29, 29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:08:54,000 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable58 [2020-10-12 16:08:54,000 INFO L427 AbstractCegarLoop]: === Iteration 60 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:08:54,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:08:54,000 INFO L82 PathProgramCache]: Analyzing trace with hash 911658889, now seen corresponding path program 57 times [2020-10-12 16:08:54,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:08:54,001 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1595103020] [2020-10-12 16:08:54,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:08:54,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:08:54,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:08:57,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:08:57,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 312 [2020-10-12 16:08:57,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:08:57,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3078 [2020-10-12 16:08:57,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:08:57,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 65 [2020-10-12 16:08:57,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:08:57,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 300 [2020-10-12 16:08:57,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:09:00,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:09:00,322 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:00,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:09:00,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:09:00,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 16:09:00,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:09:00,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-12 16:09:00,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:09:00,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 16:09:00,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:09:00,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-12 16:09:00,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,341 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,342 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,342 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,343 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,343 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:09:00,343 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,343 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,344 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 16:09:00,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:09:00,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-12 16:09:00,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:09:00,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-12 16:09:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:00,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-12 16:09:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,364 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,364 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:00,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,365 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,365 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 16:09:00,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:09:00,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-12 16:09:00,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:09:00,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 16:09:00,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,381 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:09:00,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-10-12 16:09:00,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 16:09:00,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 16:09:00,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,390 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:00,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-10-12 16:09:00,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:00,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-12 16:09:00,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:00,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-12 16:09:00,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:00,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,402 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-12 16:09:00,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:00,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-12 16:09:00,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,409 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:00,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,410 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-12 16:09:00,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:00,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2020-10-12 16:09:00,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:00,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,417 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-12 16:09:00,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,421 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,421 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:00,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-10-12 16:09:00,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,424 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:00,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,426 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-12 16:09:00,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,429 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:00,429 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,429 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-10-12 16:09:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,433 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:00,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,433 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-10-12 16:09:00,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,437 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,437 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,437 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,437 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:00,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,438 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,438 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-10-12 16:09:00,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:00,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-12 16:09:00,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:00,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-10-12 16:09:00,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,449 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:00,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2020-10-12 16:09:00,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:00,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:00,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:00,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:00,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:00,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:00,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:00,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:00,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:00,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:00,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:00,522 INFO L134 CoverageAnalysis]: Checked inductivity of 3423 backedges. 1305 proven. 494 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2020-10-12 16:09:00,523 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1595103020] [2020-10-12 16:09:00,523 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:09:00,523 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [66] total 66 [2020-10-12 16:09:00,523 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631246118] [2020-10-12 16:09:00,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 66 states [2020-10-12 16:09:00,524 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:09:00,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2020-10-12 16:09:00,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=999, Invalid=3291, Unknown=0, NotChecked=0, Total=4290 [2020-10-12 16:09:00,524 INFO L87 Difference]: Start difference. First operand 249 states and 250 transitions. Second operand 66 states. [2020-10-12 16:09:04,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:09:04,065 INFO L93 Difference]: Finished difference Result 347 states and 378 transitions. [2020-10-12 16:09:04,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2020-10-12 16:09:04,066 INFO L78 Accepts]: Start accepts. Automaton has 66 states. Word has length 246 [2020-10-12 16:09:04,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:09:04,068 INFO L225 Difference]: With dead ends: 347 [2020-10-12 16:09:04,068 INFO L226 Difference]: Without dead ends: 250 [2020-10-12 16:09:04,069 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1104 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=1040, Invalid=3652, Unknown=0, NotChecked=0, Total=4692 [2020-10-12 16:09:04,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2020-10-12 16:09:04,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 250. [2020-10-12 16:09:04,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 250 states. [2020-10-12 16:09:04,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 250 states and 251 transitions. [2020-10-12 16:09:04,087 INFO L78 Accepts]: Start accepts. Automaton has 250 states and 251 transitions. Word has length 246 [2020-10-12 16:09:04,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:09:04,087 INFO L479 AbstractCegarLoop]: Abstraction has 250 states and 251 transitions. [2020-10-12 16:09:04,087 INFO L480 AbstractCegarLoop]: Interpolant automaton has 66 states. [2020-10-12 16:09:04,088 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 251 transitions. [2020-10-12 16:09:04,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-10-12 16:09:04,089 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:09:04,089 INFO L422 BasicCegarLoop]: trace histogram [31, 30, 30, 30, 29, 29, 29, 29, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:09:04,089 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable59 [2020-10-12 16:09:04,089 INFO L427 AbstractCegarLoop]: === Iteration 61 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:09:04,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:09:04,089 INFO L82 PathProgramCache]: Analyzing trace with hash 627608808, now seen corresponding path program 58 times [2020-10-12 16:09:04,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:09:04,090 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1885508012] [2020-10-12 16:09:04,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:09:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:04,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:07,003 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:07,003 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 313 [2020-10-12 16:09:07,003 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:07,003 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2873 [2020-10-12 16:09:07,003 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:07,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 64 [2020-10-12 16:09:07,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:09:07,004 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 301 [2020-10-12 16:09:07,004 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:09,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:09:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:09,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:09,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:09,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:09:09,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:09,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:09,638 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:09,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:09:09,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:09,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:09:09,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:09,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 16:09:09,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:09,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:09,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:09,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:09,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:09,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:09,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:09,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:09,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:09,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:09,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:09,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 16:09:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:09,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:09,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:09,644 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:09,644 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:09,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:09,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:09,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:09,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:09,644 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:09,644 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:09,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 16:09:09,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:09,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:09,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:09,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:09,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:09,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:09,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:09,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:09,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:09,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:09,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:09,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 16:09:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:09,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:09,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:09,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:09,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:09,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:09,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:09,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:09,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:09,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:09,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:09,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:09:09,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:09,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:09,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:09,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:09,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:09,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:09,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:09,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:09,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:09,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:09,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:09,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 16:09:09,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:09,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:09,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:09,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:09,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:09,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:09,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:09,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:09,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:09,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:09,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:09,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 16:09:09,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:09,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:09,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:09,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:09,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:09,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:09,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:09,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:09,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:09,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:09,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:09,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 16:09:09,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:09,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:09,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:09,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:09,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:09,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:09,661 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:09,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:09,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:09,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:09,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:09,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-12 16:09:09,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:09,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:09,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:09,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:09,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:09,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:09,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:09,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:09,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:09,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:09,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:09,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-12 16:09:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:09,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:09,666 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:09,666 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:09,666 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:09,667 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:09,667 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:09,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:09,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:09,667 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:09,667 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:09,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 16:09:09,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:09,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:09,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:09,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:09,669 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:09,669 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:09,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:09,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:09,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:09,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:09,670 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:09,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 16:09:09,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:09,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:09,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:09,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:09,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:09,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:09,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:09,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:09,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:09,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:09,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:09,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 16:09:09,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:09,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:09,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:09,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:09,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:09,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:09,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:09,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:09,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:09,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:09,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:09,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 16:09:09,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:09,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:09,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:09,680 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:09,680 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:09,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:09,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:09,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:09,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:09,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:09,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:09,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-12 16:09:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:09,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:09,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:09,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:09,683 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:09,683 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:09,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:09,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:09,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:09,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:09,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:09,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 16:09:09,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:09,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:09,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:09,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:09,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:09,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:09,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:09,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:09,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:09,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:09,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:09,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-12 16:09:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:09,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:09,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:09,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:09,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:09,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:09,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:09,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:09,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:09,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:09,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:09,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-12 16:09:09,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:09,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:09,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:09,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:09,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:09,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:09,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:09,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:09,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:09,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:09,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:09,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-12 16:09:09,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:09,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:09,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:09,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:09,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:09,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:09,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:09,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:09,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:09,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:09,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:09,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-12 16:09:09,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:09,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:09,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:09,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:09,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:09,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:09,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:09,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:09,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:09,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:09,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:09,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-12 16:09:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:09,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:09,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:09,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:09,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:09,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:09,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:09,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:09,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:09,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:09,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:09,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-12 16:09:09,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:09,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:09,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:09,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:09,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:09,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:09,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:09,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:09,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:09,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:09,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:09,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-12 16:09:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:09,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:09,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:09,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:09,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:09,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:09,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:09,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:09,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:09,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:09,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:09,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-12 16:09:09,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:09,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:09,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:09,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:09,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:09,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:09,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:09,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:09,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:09,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:09,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:09,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-12 16:09:09,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:09,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:09,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:09,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:09,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:09,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:09,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:09,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:09,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:09,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:09,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:09,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-12 16:09:09,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:09,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:09,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:09,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:09,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:09,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:09,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:09,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:09,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:09,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:09,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:09,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-12 16:09:09,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:09,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:09,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:09,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:09,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:09,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:09,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:09,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:09,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:09,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:09,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:09,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-12 16:09:09,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:09,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:09,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:09,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:09,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:09,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:09,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:09,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:09,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:09,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:09,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:09,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-10-12 16:09:09,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:09,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:09,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:09,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:09,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:09,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:09,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:09,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:09,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:09,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:09,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:09,774 INFO L134 CoverageAnalysis]: Checked inductivity of 3454 backedges. 523 proven. 1307 refuted. 0 times theorem prover too weak. 1624 trivial. 0 not checked. [2020-10-12 16:09:09,774 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1885508012] [2020-10-12 16:09:09,774 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:09:09,774 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65] total 65 [2020-10-12 16:09:09,775 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [18496948] [2020-10-12 16:09:09,775 INFO L459 AbstractCegarLoop]: Interpolant automaton has 65 states [2020-10-12 16:09:09,775 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:09:09,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2020-10-12 16:09:09,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1027, Invalid=3133, Unknown=0, NotChecked=0, Total=4160 [2020-10-12 16:09:09,776 INFO L87 Difference]: Start difference. First operand 250 states and 251 transitions. Second operand 65 states. [2020-10-12 16:09:13,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 16:09:13,525 INFO L93 Difference]: Finished difference Result 263 states and 265 transitions. [2020-10-12 16:09:13,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2020-10-12 16:09:13,526 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 247 [2020-10-12 16:09:13,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 16:09:13,527 INFO L225 Difference]: With dead ends: 263 [2020-10-12 16:09:13,527 INFO L226 Difference]: Without dead ends: 261 [2020-10-12 16:09:13,529 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3602 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=4748, Invalid=10752, Unknown=0, NotChecked=0, Total=15500 [2020-10-12 16:09:13,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2020-10-12 16:09:13,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 257. [2020-10-12 16:09:13,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2020-10-12 16:09:13,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 258 transitions. [2020-10-12 16:09:13,557 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 258 transitions. Word has length 247 [2020-10-12 16:09:13,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 16:09:13,557 INFO L479 AbstractCegarLoop]: Abstraction has 257 states and 258 transitions. [2020-10-12 16:09:13,557 INFO L480 AbstractCegarLoop]: Interpolant automaton has 65 states. [2020-10-12 16:09:13,558 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 258 transitions. [2020-10-12 16:09:13,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2020-10-12 16:09:13,559 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 16:09:13,560 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 31, 31, 30, 30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 16:09:13,560 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable60 [2020-10-12 16:09:13,560 INFO L427 AbstractCegarLoop]: === Iteration 62 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 16:09:13,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 16:09:13,561 INFO L82 PathProgramCache]: Analyzing trace with hash -1054423385, now seen corresponding path program 59 times [2020-10-12 16:09:13,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 16:09:13,561 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [149879796] [2020-10-12 16:09:13,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 16:09:13,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:13,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:16,964 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:16,964 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 322 [2020-10-12 16:09:16,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:16,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3340 [2020-10-12 16:09:16,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:16,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 67 [2020-10-12 16:09:16,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 16:09:16,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 310 [2020-10-12 16:09:16,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:20,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 16:09:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:20,681 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:20,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:20,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 16:09:20,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:20,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 16:09:20,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:20,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 16:09:20,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:20,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 16:09:20,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:20,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 16:09:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:20,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:20,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:20,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:20,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:20,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:20,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:20,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:20,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:20,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:20,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:20,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 16:09:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:20,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:20,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:20,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:20,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:20,690 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:20,690 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:20,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:20,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:20,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:20,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:20,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-10-12 16:09:20,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:20,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:20,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:20,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:20,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:20,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:20,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:20,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:20,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:20,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:20,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:20,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 16:09:20,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:20,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:20,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:20,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:20,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:20,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:20,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:20,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:20,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:20,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:20,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:20,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 16:09:20,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:20,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:20,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:20,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:20,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:20,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:20,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:20,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:20,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:20,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:20,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:20,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 16:09:20,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:20,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:20,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:20,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:20,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:20,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:20,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:20,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:20,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:20,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:20,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:20,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-10-12 16:09:20,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:20,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:20,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:20,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:20,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:20,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:20,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:20,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:20,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:20,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:20,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:20,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 16:09:20,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:20,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:20,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:20,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:20,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:20,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:20,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:20,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:20,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:20,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:20,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:20,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2020-10-12 16:09:20,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:20,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:20,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:20,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:20,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:20,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:20,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:20,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:20,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:20,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:20,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:20,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-12 16:09:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:20,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:20,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:20,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:20,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:20,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:20,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:20,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:20,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:20,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:20,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:20,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2020-10-12 16:09:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:20,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:20,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:20,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:20,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:20,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:20,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:20,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:20,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:20,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:20,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:20,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 16:09:20,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:20,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:20,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:20,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:20,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:20,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:20,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:20,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:20,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:20,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:20,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:20,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2020-10-12 16:09:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:20,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:20,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:20,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:20,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:20,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:20,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:20,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:20,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:20,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:20,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:20,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 16:09:20,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:20,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:20,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:20,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:20,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:20,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:20,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:20,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:20,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:20,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:20,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:20,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-10-12 16:09:20,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:20,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:20,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:20,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:20,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:20,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:20,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:20,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:20,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:20,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:20,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:20,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 16:09:20,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:20,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:20,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:20,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:20,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:20,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:20,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:20,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:20,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:20,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:20,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:20,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-12 16:09:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:20,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:20,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:20,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:20,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:20,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:20,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:20,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:20,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:20,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:20,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:20,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-12 16:09:20,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:20,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:20,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:20,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:20,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:20,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:20,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:20,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:20,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:20,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:20,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:20,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-10-12 16:09:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:20,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:20,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:20,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:20,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:20,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:20,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:20,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:20,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:20,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:20,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:20,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-12 16:09:20,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:20,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:20,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:20,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:20,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:20,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:20,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:20,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:20,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:20,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:20,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:20,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-10-12 16:09:20,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:20,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:20,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:20,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:20,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:20,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:20,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:20,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:20,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:20,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:20,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:20,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-12 16:09:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:20,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:20,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:20,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:20,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:20,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:20,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:20,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:20,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:20,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:20,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:20,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-10-12 16:09:20,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:20,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:20,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:20,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:20,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:20,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:20,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:20,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:20,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:20,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:20,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:20,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-12 16:09:20,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:20,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:20,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:20,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:20,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:20,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:20,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:20,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:20,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:20,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:20,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:20,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-10-12 16:09:20,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:20,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:20,775 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:20,775 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:20,775 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:20,775 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:20,775 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:20,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:20,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:20,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:20,776 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:20,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-12 16:09:20,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:20,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:20,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:20,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:20,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:20,779 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:20,779 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:20,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:20,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:20,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:20,780 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:20,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-12 16:09:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:20,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:20,783 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:20,783 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:20,783 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:20,783 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:20,783 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:20,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:20,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:20,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:20,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:20,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-12 16:09:20,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:20,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:20,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:20,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:20,787 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:20,787 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:20,787 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:20,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:20,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:20,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:20,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:20,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-10-12 16:09:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:20,790 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:20,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:20,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:20,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:20,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:20,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:20,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:20,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:20,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:20,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:20,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2020-10-12 16:09:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 16:09:20,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 16:09:20,796 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 16:09:20,796 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 16:09:20,796 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 16:09:20,796 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 16:09:20,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 16:09:20,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 16:09:20,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 16:09:20,797 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 16:09:20,797 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 16:09:20,868 INFO L134 CoverageAnalysis]: Checked inductivity of 3661 backedges. 1395 proven. 526 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2020-10-12 16:09:20,869 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [149879796] [2020-10-12 16:09:20,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 16:09:20,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [68] total 68 [2020-10-12 16:09:20,869 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473771964] [2020-10-12 16:09:20,869 INFO L459 AbstractCegarLoop]: Interpolant automaton has 68 states [2020-10-12 16:09:20,869 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 16:09:20,870 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2020-10-12 16:09:20,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=953, Invalid=3603, Unknown=0, NotChecked=0, Total=4556 [2020-10-12 16:09:20,870 INFO L87 Difference]: Start difference. First operand 257 states and 258 transitions. Second operand 68 states.