/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/array-examples/standard_vararg_ground.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 10:07:12,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 10:07:12,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 10:07:12,077 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 10:07:12,078 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 10:07:12,079 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 10:07:12,080 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 10:07:12,082 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 10:07:12,083 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 10:07:12,084 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 10:07:12,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 10:07:12,086 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 10:07:12,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 10:07:12,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 10:07:12,089 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 10:07:12,090 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 10:07:12,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 10:07:12,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 10:07:12,093 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 10:07:12,095 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 10:07:12,097 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 10:07:12,098 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 10:07:12,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 10:07:12,100 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 10:07:12,104 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 10:07:12,104 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 10:07:12,105 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 10:07:12,108 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 10:07:12,109 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 10:07:12,111 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 10:07:12,112 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 10:07:12,113 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 10:07:12,114 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 10:07:12,115 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 10:07:12,118 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 10:07:12,118 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 10:07:12,119 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 10:07:12,119 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 10:07:12,119 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 10:07:12,120 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 10:07:12,121 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 10:07:12,122 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 10:07:12,168 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 10:07:12,171 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 10:07:12,172 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 10:07:12,173 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 10:07:12,173 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 10:07:12,175 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 10:07:12,175 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-12 10:07:12,175 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 10:07:12,176 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-12 10:07:12,176 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 10:07:12,176 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 10:07:12,176 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 10:07:12,176 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 10:07:12,176 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-12 10:07:12,177 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 10:07:12,177 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 10:07:12,177 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 10:07:12,177 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 10:07:12,177 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 10:07:12,178 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 10:07:12,178 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 10:07:12,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 10:07:12,179 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 10:07:12,179 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 10:07:12,180 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 10:07:12,180 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 10:07:12,180 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 10:07:12,181 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 10:07:12,181 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 10:07:12,181 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 10:07:12,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 10:07:12,506 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 10:07:12,510 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 10:07:12,511 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 10:07:12,512 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 10:07:12,513 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-examples/standard_vararg_ground.i [2020-10-12 10:07:12,590 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f26b5e53d/ebbaafa2f02d402b84dbed4ebe7659fb/FLAG6db4a7f6d [2020-10-12 10:07:13,012 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 10:07:13,012 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/array-examples/standard_vararg_ground.i [2020-10-12 10:07:13,018 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f26b5e53d/ebbaafa2f02d402b84dbed4ebe7659fb/FLAG6db4a7f6d [2020-10-12 10:07:13,396 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f26b5e53d/ebbaafa2f02d402b84dbed4ebe7659fb [2020-10-12 10:07:13,407 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 10:07:13,409 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 10:07:13,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 10:07:13,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 10:07:13,414 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 10:07:13,415 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 10:07:13" (1/1) ... [2020-10-12 10:07:13,418 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55571c15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:07:13, skipping insertion in model container [2020-10-12 10:07:13,418 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 10:07:13" (1/1) ... [2020-10-12 10:07:13,426 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 10:07:13,443 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 10:07:13,664 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 10:07:13,668 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 10:07:13,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 10:07:13,709 INFO L208 MainTranslator]: Completed translation [2020-10-12 10:07:13,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:07:13 WrapperNode [2020-10-12 10:07:13,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 10:07:13,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 10:07:13,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 10:07:13,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 10:07:13,797 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:07:13" (1/1) ... [2020-10-12 10:07:13,798 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:07:13" (1/1) ... [2020-10-12 10:07:13,806 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:07:13" (1/1) ... [2020-10-12 10:07:13,807 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:07:13" (1/1) ... [2020-10-12 10:07:13,813 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:07:13" (1/1) ... [2020-10-12 10:07:13,818 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:07:13" (1/1) ... [2020-10-12 10:07:13,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:07:13" (1/1) ... [2020-10-12 10:07:13,822 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 10:07:13,822 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 10:07:13,822 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 10:07:13,823 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 10:07:13,823 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:07:13" (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 10:07:13,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 10:07:13,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 10:07:13,892 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2020-10-12 10:07:13,893 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 10:07:13,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 10:07:13,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2020-10-12 10:07:13,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 10:07:13,893 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 10:07:13,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 10:07:13,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 10:07:13,894 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 10:07:13,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 10:07:13,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 10:07:13,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 10:07:14,129 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 10:07:14,130 INFO L295 CfgBuilder]: Removed 3 assume(true) statements. [2020-10-12 10:07:14,133 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:07:14 BoogieIcfgContainer [2020-10-12 10:07:14,133 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 10:07:14,134 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 10:07:14,135 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 10:07:14,137 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 10:07:14,138 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 10:07:13" (1/3) ... [2020-10-12 10:07:14,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68850c05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 10:07:14, skipping insertion in model container [2020-10-12 10:07:14,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:07:13" (2/3) ... [2020-10-12 10:07:14,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68850c05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 10:07:14, skipping insertion in model container [2020-10-12 10:07:14,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:07:14" (3/3) ... [2020-10-12 10:07:14,141 INFO L109 eAbstractionObserver]: Analyzing ICFG standard_vararg_ground.i [2020-10-12 10:07:14,152 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 10:07:14,160 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 10:07:14,178 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 10:07:14,211 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 10:07:14,211 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 10:07:14,212 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 10:07:14,212 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 10:07:14,212 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 10:07:14,212 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 10:07:14,212 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 10:07:14,213 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 10:07:14,234 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states. [2020-10-12 10:07:14,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-12 10:07:14,241 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:07:14,242 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:07:14,243 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:07:14,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:07:14,250 INFO L82 PathProgramCache]: Analyzing trace with hash -161951569, now seen corresponding path program 1 times [2020-10-12 10:07:14,259 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:07:14,260 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [944170861] [2020-10-12 10:07:14,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:07:14,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:14,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:14,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:14,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:14,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:14,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-12 10:07:14,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-12 10:07:14,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 244 [2020-10-12 10:07:14,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:14,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 10:07:14,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:07:14,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 10:07:14,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 10:07:14,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:07:14,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:14,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:14,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:14,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:07:14,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:14,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 10:07:14,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:14,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:07:14,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:14,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:07:14,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:14,724 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 10:07:14,725 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [944170861] [2020-10-12 10:07:14,727 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 10:07:14,728 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 10:07:14,729 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972752641] [2020-10-12 10:07:14,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 10:07:14,734 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:07:14,748 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 10:07:14,749 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-12 10:07:14,751 INFO L87 Difference]: Start difference. First operand 26 states. Second operand 5 states. [2020-10-12 10:07:14,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:07:14,888 INFO L93 Difference]: Finished difference Result 51 states and 66 transitions. [2020-10-12 10:07:14,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-12 10:07:14,890 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-12 10:07:14,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:07:14,899 INFO L225 Difference]: With dead ends: 51 [2020-10-12 10:07:14,899 INFO L226 Difference]: Without dead ends: 23 [2020-10-12 10:07:14,903 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-12 10:07:14,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-10-12 10:07:14,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-10-12 10:07:14,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-10-12 10:07:14,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2020-10-12 10:07:14,954 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 14 [2020-10-12 10:07:14,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:07:14,955 INFO L479 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2020-10-12 10:07:14,955 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 10:07:14,956 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2020-10-12 10:07:14,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-10-12 10:07:14,957 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:07:14,958 INFO L422 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:07:14,958 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 10:07:14,958 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:07:14,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:07:14,960 INFO L82 PathProgramCache]: Analyzing trace with hash 413439046, now seen corresponding path program 1 times [2020-10-12 10:07:14,960 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:07:14,961 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1146117293] [2020-10-12 10:07:14,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:07:14,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:15,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:15,106 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:15,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:15,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 10:07:15,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:07:15,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 303 [2020-10-12 10:07:15,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:15,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-12 10:07:15,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:07:15,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 13 [2020-10-12 10:07:15,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-12 10:07:15,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:07:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:15,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:15,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:15,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:07:15,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:15,537 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:07:15,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:15,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:07:15,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:15,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:07:15,538 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:15,543 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 10:07:15,543 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1146117293] [2020-10-12 10:07:15,544 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:07:15,544 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-12 10:07:15,544 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635096549] [2020-10-12 10:07:15,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 10:07:15,546 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:07:15,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 10:07:15,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-10-12 10:07:15,547 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. Second operand 10 states. [2020-10-12 10:07:15,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:07:15,753 INFO L93 Difference]: Finished difference Result 33 states and 35 transitions. [2020-10-12 10:07:15,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 10:07:15,754 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 17 [2020-10-12 10:07:15,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:07:15,756 INFO L225 Difference]: With dead ends: 33 [2020-10-12 10:07:15,756 INFO L226 Difference]: Without dead ends: 31 [2020-10-12 10:07:15,757 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210 [2020-10-12 10:07:15,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-10-12 10:07:15,764 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 29. [2020-10-12 10:07:15,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2020-10-12 10:07:15,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2020-10-12 10:07:15,766 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 17 [2020-10-12 10:07:15,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:07:15,767 INFO L479 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2020-10-12 10:07:15,767 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 10:07:15,767 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2020-10-12 10:07:15,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-12 10:07:15,768 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:07:15,768 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:07:15,768 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 10:07:15,769 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:07:15,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:07:15,769 INFO L82 PathProgramCache]: Analyzing trace with hash 519831165, now seen corresponding path program 1 times [2020-10-12 10:07:15,769 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:07:15,770 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [618902648] [2020-10-12 10:07:15,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:07:15,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:15,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:15,793 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:15,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:15,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 35 [2020-10-12 10:07:15,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:07:15,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 166 [2020-10-12 10:07:15,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:15,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 10:07:15,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:07:15,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 10:07:15,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:16,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:07:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:16,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:16,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:16,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:07:16,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:16,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:16,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:16,007 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:07:16,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:16,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:07:16,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:16,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 10:07:16,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:16,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:16,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:16,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:16,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:16,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 10:07:16,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:16,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:16,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:16,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:16,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:16,027 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 10:07:16,029 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [618902648] [2020-10-12 10:07:16,029 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:07:16,030 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-10-12 10:07:16,030 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512912947] [2020-10-12 10:07:16,032 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-12 10:07:16,033 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:07:16,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-12 10:07:16,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-12 10:07:16,034 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand 7 states. [2020-10-12 10:07:16,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:07:16,131 INFO L93 Difference]: Finished difference Result 47 states and 51 transitions. [2020-10-12 10:07:16,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 10:07:16,132 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 25 [2020-10-12 10:07:16,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:07:16,135 INFO L225 Difference]: With dead ends: 47 [2020-10-12 10:07:16,135 INFO L226 Difference]: Without dead ends: 31 [2020-10-12 10:07:16,136 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2020-10-12 10:07:16,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-10-12 10:07:16,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-10-12 10:07:16,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-10-12 10:07:16,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2020-10-12 10:07:16,148 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 25 [2020-10-12 10:07:16,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:07:16,148 INFO L479 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2020-10-12 10:07:16,148 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-12 10:07:16,149 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2020-10-12 10:07:16,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-10-12 10:07:16,150 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:07:16,150 INFO L422 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:07:16,150 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 10:07:16,150 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:07:16,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:07:16,151 INFO L82 PathProgramCache]: Analyzing trace with hash 212733250, now seen corresponding path program 2 times [2020-10-12 10:07:16,151 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:07:16,151 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1142341790] [2020-10-12 10:07:16,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:07:16,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:16,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:16,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:16,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:16,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-10-12 10:07:16,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:07:16,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-12 10:07:16,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:16,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 10:07:16,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:07:16,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-10-12 10:07:16,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-12 10:07:16,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:07:16,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:16,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:16,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:16,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:07:16,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:16,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:16,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:16,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:07:16,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:16,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:07:16,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:16,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-10-12 10:07:16,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:16,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:16,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:16,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:16,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:16,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 10:07:16,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:16,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:16,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:16,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:16,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:16,521 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 10:07:16,521 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1142341790] [2020-10-12 10:07:16,521 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:07:16,522 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 10:07:16,522 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977178145] [2020-10-12 10:07:16,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 10:07:16,523 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:07:16,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 10:07:16,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2020-10-12 10:07:16,524 INFO L87 Difference]: Start difference. First operand 31 states and 33 transitions. Second operand 12 states. [2020-10-12 10:07:16,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:07:16,841 INFO L93 Difference]: Finished difference Result 48 states and 52 transitions. [2020-10-12 10:07:16,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-10-12 10:07:16,841 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 27 [2020-10-12 10:07:16,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:07:16,843 INFO L225 Difference]: With dead ends: 48 [2020-10-12 10:07:16,843 INFO L226 Difference]: Without dead ends: 33 [2020-10-12 10:07:16,844 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=65, Invalid=277, Unknown=0, NotChecked=0, Total=342 [2020-10-12 10:07:16,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2020-10-12 10:07:16,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2020-10-12 10:07:16,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2020-10-12 10:07:16,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 35 transitions. [2020-10-12 10:07:16,850 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 35 transitions. Word has length 27 [2020-10-12 10:07:16,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:07:16,851 INFO L479 AbstractCegarLoop]: Abstraction has 33 states and 35 transitions. [2020-10-12 10:07:16,851 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 10:07:16,851 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 35 transitions. [2020-10-12 10:07:16,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-12 10:07:16,852 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:07:16,852 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:07:16,852 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 10:07:16,852 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:07:16,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:07:16,853 INFO L82 PathProgramCache]: Analyzing trace with hash 1444380359, now seen corresponding path program 3 times [2020-10-12 10:07:16,853 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:07:16,853 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [746753980] [2020-10-12 10:07:16,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:07:16,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:16,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:16,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:17,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:17,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-12 10:07:17,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:07:17,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 155 [2020-10-12 10:07:17,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:17,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-12 10:07:17,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:07:17,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 10:07:17,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:17,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:07:17,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:17,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:17,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:17,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:07:17,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:17,136 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:07:17,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:17,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:07:17,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:17,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:07:17,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:17,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 10:07:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:17,143 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:17,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:17,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:17,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:17,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 10:07:17,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:17,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:17,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:17,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:17,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:17,155 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-12 10:07:17,156 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [746753980] [2020-10-12 10:07:17,156 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:07:17,156 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-12 10:07:17,156 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046019445] [2020-10-12 10:07:17,157 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-12 10:07:17,157 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:07:17,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-12 10:07:17,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2020-10-12 10:07:17,158 INFO L87 Difference]: Start difference. First operand 33 states and 35 transitions. Second operand 12 states. [2020-10-12 10:07:17,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:07:17,440 INFO L93 Difference]: Finished difference Result 45 states and 47 transitions. [2020-10-12 10:07:17,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 10:07:17,441 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 29 [2020-10-12 10:07:17,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:07:17,442 INFO L225 Difference]: With dead ends: 45 [2020-10-12 10:07:17,442 INFO L226 Difference]: Without dead ends: 43 [2020-10-12 10:07:17,443 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2020-10-12 10:07:17,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-10-12 10:07:17,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2020-10-12 10:07:17,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2020-10-12 10:07:17,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions. [2020-10-12 10:07:17,450 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 29 [2020-10-12 10:07:17,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:07:17,451 INFO L479 AbstractCegarLoop]: Abstraction has 41 states and 43 transitions. [2020-10-12 10:07:17,451 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-12 10:07:17,451 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2020-10-12 10:07:17,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2020-10-12 10:07:17,452 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:07:17,452 INFO L422 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:07:17,452 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 10:07:17,452 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:07:17,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:07:17,453 INFO L82 PathProgramCache]: Analyzing trace with hash 241227774, now seen corresponding path program 4 times [2020-10-12 10:07:17,453 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:07:17,453 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [889351019] [2020-10-12 10:07:17,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:07:17,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:17,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:17,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:17,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:17,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 49 [2020-10-12 10:07:17,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:07:17,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 162 [2020-10-12 10:07:17,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:17,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-10-12 10:07:17,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:07:17,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-12 10:07:17,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:17,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:07:17,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:17,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:17,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:17,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:07:17,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:17,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:17,795 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:17,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:07:17,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:17,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:07:17,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:17,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 10:07:17,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:17,801 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:17,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:17,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:17,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:17,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:07:17,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:17,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:17,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:17,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:17,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:17,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 10:07:17,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:17,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:17,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:17,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:17,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:17,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 10:07:17,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:17,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:17,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:17,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:17,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:17,823 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-12 10:07:17,824 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [889351019] [2020-10-12 10:07:17,824 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:07:17,824 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-10-12 10:07:17,824 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060807943] [2020-10-12 10:07:17,825 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-12 10:07:17,825 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:07:17,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-12 10:07:17,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2020-10-12 10:07:17,826 INFO L87 Difference]: Start difference. First operand 41 states and 43 transitions. Second operand 14 states. [2020-10-12 10:07:18,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:07:18,171 INFO L93 Difference]: Finished difference Result 53 states and 55 transitions. [2020-10-12 10:07:18,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-12 10:07:18,171 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 37 [2020-10-12 10:07:18,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:07:18,173 INFO L225 Difference]: With dead ends: 53 [2020-10-12 10:07:18,173 INFO L226 Difference]: Without dead ends: 51 [2020-10-12 10:07:18,174 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=400, Unknown=0, NotChecked=0, Total=462 [2020-10-12 10:07:18,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-10-12 10:07:18,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 49. [2020-10-12 10:07:18,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-10-12 10:07:18,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 51 transitions. [2020-10-12 10:07:18,182 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 51 transitions. Word has length 37 [2020-10-12 10:07:18,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:07:18,182 INFO L479 AbstractCegarLoop]: Abstraction has 49 states and 51 transitions. [2020-10-12 10:07:18,182 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-12 10:07:18,183 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 51 transitions. [2020-10-12 10:07:18,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-10-12 10:07:18,184 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:07:18,184 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:07:18,184 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 10:07:18,185 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:07:18,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:07:18,185 INFO L82 PathProgramCache]: Analyzing trace with hash 318048821, now seen corresponding path program 5 times [2020-10-12 10:07:18,185 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:07:18,186 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2013974856] [2020-10-12 10:07:18,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:07:18,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:18,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:18,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:18,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:18,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 59 [2020-10-12 10:07:18,426 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:07:18,426 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 216 [2020-10-12 10:07:18,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:18,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 9 [2020-10-12 10:07:18,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:07:18,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 42 [2020-10-12 10:07:18,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:18,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:07:18,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:18,500 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:18,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:18,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:07:18,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:18,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:18,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:18,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:07:18,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:18,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:07:18,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:18,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-12 10:07:18,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:18,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:18,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:18,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:18,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:18,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:07:18,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:18,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:18,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:18,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:18,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:18,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 10:07:18,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:18,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:18,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:18,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:18,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:18,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:07:18,521 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:18,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:18,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:18,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:18,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:18,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 10:07:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:18,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:18,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:18,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:18,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:18,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:07:18,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:18,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:18,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:18,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:18,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:18,535 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 24 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-12 10:07:18,535 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2013974856] [2020-10-12 10:07:18,535 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:07:18,536 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-12 10:07:18,536 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485621043] [2020-10-12 10:07:18,536 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 10:07:18,537 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:07:18,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 10:07:18,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2020-10-12 10:07:18,537 INFO L87 Difference]: Start difference. First operand 49 states and 51 transitions. Second operand 11 states. [2020-10-12 10:07:18,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:07:18,684 INFO L93 Difference]: Finished difference Result 75 states and 81 transitions. [2020-10-12 10:07:18,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 10:07:18,684 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 45 [2020-10-12 10:07:18,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:07:18,685 INFO L225 Difference]: With dead ends: 75 [2020-10-12 10:07:18,686 INFO L226 Difference]: Without dead ends: 51 [2020-10-12 10:07:18,687 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-10-12 10:07:18,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2020-10-12 10:07:18,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2020-10-12 10:07:18,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-10-12 10:07:18,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 53 transitions. [2020-10-12 10:07:18,694 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 53 transitions. Word has length 45 [2020-10-12 10:07:18,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:07:18,694 INFO L479 AbstractCegarLoop]: Abstraction has 51 states and 53 transitions. [2020-10-12 10:07:18,695 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 10:07:18,695 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 53 transitions. [2020-10-12 10:07:18,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-12 10:07:18,696 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:07:18,696 INFO L422 BasicCegarLoop]: trace histogram [5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:07:18,697 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 10:07:18,697 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:07:18,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:07:18,697 INFO L82 PathProgramCache]: Analyzing trace with hash 1120470138, now seen corresponding path program 6 times [2020-10-12 10:07:18,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:07:18,698 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [269956093] [2020-10-12 10:07:18,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:07:18,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:18,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:18,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:18,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:18,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 61 [2020-10-12 10:07:18,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:07:18,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 228 [2020-10-12 10:07:18,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:18,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 10:07:18,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:07:18,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-12 10:07:18,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:19,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:07:19,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:19,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:19,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:19,141 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:07:19,141 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:19,141 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:19,141 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:19,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:07:19,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:19,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:07:19,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:19,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-12 10:07:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:19,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:19,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:19,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:19,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:19,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 10:07:19,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:19,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:19,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:19,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:19,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:19,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 10:07:19,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:19,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:19,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:19,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:19,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:19,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 10:07:19,181 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:19,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:19,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:19,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:19,182 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:19,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 10:07:19,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:19,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:19,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:19,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:19,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:19,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 10:07:19,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:19,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:19,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:19,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:19,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:19,204 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 10 proven. 34 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-10-12 10:07:19,204 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [269956093] [2020-10-12 10:07:19,205 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:07:19,205 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-12 10:07:19,205 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051812514] [2020-10-12 10:07:19,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-12 10:07:19,206 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:07:19,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-12 10:07:19,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2020-10-12 10:07:19,207 INFO L87 Difference]: Start difference. First operand 51 states and 53 transitions. Second operand 16 states. [2020-10-12 10:07:19,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:07:19,659 INFO L93 Difference]: Finished difference Result 76 states and 82 transitions. [2020-10-12 10:07:19,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-10-12 10:07:19,660 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 47 [2020-10-12 10:07:19,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:07:19,661 INFO L225 Difference]: With dead ends: 76 [2020-10-12 10:07:19,661 INFO L226 Difference]: Without dead ends: 53 [2020-10-12 10:07:19,662 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2020-10-12 10:07:19,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2020-10-12 10:07:19,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2020-10-12 10:07:19,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-10-12 10:07:19,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 55 transitions. [2020-10-12 10:07:19,670 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 55 transitions. Word has length 47 [2020-10-12 10:07:19,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:07:19,670 INFO L479 AbstractCegarLoop]: Abstraction has 53 states and 55 transitions. [2020-10-12 10:07:19,670 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-12 10:07:19,670 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2020-10-12 10:07:19,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-10-12 10:07:19,671 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:07:19,671 INFO L422 BasicCegarLoop]: trace histogram [6, 5, 4, 4, 4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:07:19,672 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 10:07:19,672 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:07:19,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:07:19,672 INFO L82 PathProgramCache]: Analyzing trace with hash -846757505, now seen corresponding path program 7 times [2020-10-12 10:07:19,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:07:19,673 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1678302449] [2020-10-12 10:07:19,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:07:19,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:19,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:19,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:19,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:19,902 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-12 10:07:19,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:07:19,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 220 [2020-10-12 10:07:19,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:19,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 14 [2020-10-12 10:07:19,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:07:19,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-12 10:07:19,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:20,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:07:20,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:20,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:20,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:20,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:07:20,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:20,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:20,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:20,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:07:20,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:20,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:07:20,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:20,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 10:07:20,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:20,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:20,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:20,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:20,128 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:20,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:07:20,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:20,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:20,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:20,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:20,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:20,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 10:07:20,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:20,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:20,138 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:20,138 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:20,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:20,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 10:07:20,139 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:20,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:20,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:20,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:20,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:20,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 10:07:20,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:20,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:20,149 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:20,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:20,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:20,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 10:07:20,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:20,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:20,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:20,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:20,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:20,182 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 6 proven. 46 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2020-10-12 10:07:20,183 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1678302449] [2020-10-12 10:07:20,183 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:07:20,183 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-12 10:07:20,183 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856762807] [2020-10-12 10:07:20,184 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-12 10:07:20,184 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:07:20,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-12 10:07:20,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2020-10-12 10:07:20,185 INFO L87 Difference]: Start difference. First operand 53 states and 55 transitions. Second operand 16 states. [2020-10-12 10:07:20,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:07:20,780 INFO L93 Difference]: Finished difference Result 65 states and 67 transitions. [2020-10-12 10:07:20,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-12 10:07:20,781 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 49 [2020-10-12 10:07:20,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:07:20,782 INFO L225 Difference]: With dead ends: 65 [2020-10-12 10:07:20,782 INFO L226 Difference]: Without dead ends: 63 [2020-10-12 10:07:20,786 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=530, Unknown=0, NotChecked=0, Total=600 [2020-10-12 10:07:20,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-10-12 10:07:20,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 61. [2020-10-12 10:07:20,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2020-10-12 10:07:20,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 63 transitions. [2020-10-12 10:07:20,801 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 63 transitions. Word has length 49 [2020-10-12 10:07:20,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:07:20,802 INFO L479 AbstractCegarLoop]: Abstraction has 61 states and 63 transitions. [2020-10-12 10:07:20,802 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-12 10:07:20,802 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 63 transitions. [2020-10-12 10:07:20,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-10-12 10:07:20,804 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:07:20,804 INFO L422 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:07:20,804 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-12 10:07:20,804 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:07:20,805 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:07:20,805 INFO L82 PathProgramCache]: Analyzing trace with hash 803119798, now seen corresponding path program 8 times [2020-10-12 10:07:20,805 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:07:20,806 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [294566006] [2020-10-12 10:07:20,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:07:20,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:20,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:20,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:21,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:21,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 73 [2020-10-12 10:07:21,242 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:07:21,242 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 425 [2020-10-12 10:07:21,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:21,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-12 10:07:21,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:07:21,243 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-10-12 10:07:21,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:21,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:07:21,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:21,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:21,534 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:21,535 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:07:21,535 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:21,535 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:21,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:21,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:07:21,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:21,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:07:21,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:21,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-10-12 10:07:21,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:21,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:21,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:21,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:21,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:21,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 10:07:21,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:21,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:21,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:21,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:21,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:21,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 10:07:21,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:21,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:21,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:21,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:21,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:21,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 10:07:21,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:21,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:21,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:21,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:21,563 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:21,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 10:07:21,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:21,571 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:21,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:21,577 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:21,577 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:21,577 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 10:07:21,577 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:21,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:21,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:21,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:21,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:21,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 10:07:21,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:21,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:21,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:21,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:21,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:21,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 10:07:21,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:21,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:21,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:21,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:21,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:21,615 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 32 proven. 38 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-10-12 10:07:21,615 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [294566006] [2020-10-12 10:07:21,616 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:07:21,616 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-12 10:07:21,616 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368516344] [2020-10-12 10:07:21,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-12 10:07:21,617 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:07:21,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-12 10:07:21,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2020-10-12 10:07:21,618 INFO L87 Difference]: Start difference. First operand 61 states and 63 transitions. Second operand 18 states. [2020-10-12 10:07:22,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:07:22,168 INFO L93 Difference]: Finished difference Result 90 states and 97 transitions. [2020-10-12 10:07:22,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-12 10:07:22,169 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 57 [2020-10-12 10:07:22,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:07:22,170 INFO L225 Difference]: With dead ends: 90 [2020-10-12 10:07:22,170 INFO L226 Difference]: Without dead ends: 63 [2020-10-12 10:07:22,173 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=156, Invalid=714, Unknown=0, NotChecked=0, Total=870 [2020-10-12 10:07:22,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2020-10-12 10:07:22,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2020-10-12 10:07:22,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-10-12 10:07:22,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 65 transitions. [2020-10-12 10:07:22,184 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 65 transitions. Word has length 57 [2020-10-12 10:07:22,184 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:07:22,184 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 65 transitions. [2020-10-12 10:07:22,185 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-12 10:07:22,185 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 65 transitions. [2020-10-12 10:07:22,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-12 10:07:22,189 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:07:22,189 INFO L422 BasicCegarLoop]: trace histogram [7, 6, 5, 5, 5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:07:22,189 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-12 10:07:22,189 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:07:22,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:07:22,189 INFO L82 PathProgramCache]: Analyzing trace with hash 2027707771, now seen corresponding path program 9 times [2020-10-12 10:07:22,190 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:07:22,191 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [857883227] [2020-10-12 10:07:22,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:07:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:22,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:22,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:22,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:22,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-12 10:07:22,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:07:22,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 385 [2020-10-12 10:07:22,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:22,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-10-12 10:07:22,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:07:22,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-12 10:07:22,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:22,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:07:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:22,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:22,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:22,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:07:22,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:22,910 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:07:22,910 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:22,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:07:22,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:22,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:07:22,912 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:22,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 10:07:22,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:22,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:22,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:22,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:22,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:22,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 10:07:22,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:22,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:22,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:22,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:22,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:22,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 10:07:22,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:22,930 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:22,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:22,934 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:22,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:22,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 10:07:22,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:22,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:22,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:22,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:22,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:22,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 10:07:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:22,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:22,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:22,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:22,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:22,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 10:07:22,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:22,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:22,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:22,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:22,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:22,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 10:07:22,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:22,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:22,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:22,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:22,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:22,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 10:07:22,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:22,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:22,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:22,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:22,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:22,983 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 8 proven. 72 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-10-12 10:07:22,984 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [857883227] [2020-10-12 10:07:22,984 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:07:22,984 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-12 10:07:22,985 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113880479] [2020-10-12 10:07:22,986 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-12 10:07:22,986 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:07:22,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-12 10:07:22,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2020-10-12 10:07:22,988 INFO L87 Difference]: Start difference. First operand 63 states and 65 transitions. Second operand 18 states. [2020-10-12 10:07:23,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:07:23,594 INFO L93 Difference]: Finished difference Result 75 states and 77 transitions. [2020-10-12 10:07:23,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-12 10:07:23,595 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 59 [2020-10-12 10:07:23,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:07:23,596 INFO L225 Difference]: With dead ends: 75 [2020-10-12 10:07:23,596 INFO L226 Difference]: Without dead ends: 73 [2020-10-12 10:07:23,597 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=78, Invalid=678, Unknown=0, NotChecked=0, Total=756 [2020-10-12 10:07:23,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-10-12 10:07:23,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 71. [2020-10-12 10:07:23,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-10-12 10:07:23,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 73 transitions. [2020-10-12 10:07:23,614 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 73 transitions. Word has length 59 [2020-10-12 10:07:23,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:07:23,615 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 73 transitions. [2020-10-12 10:07:23,615 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-12 10:07:23,615 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 73 transitions. [2020-10-12 10:07:23,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2020-10-12 10:07:23,616 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:07:23,616 INFO L422 BasicCegarLoop]: trace histogram [7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:07:23,616 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-12 10:07:23,616 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:07:23,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:07:23,620 INFO L82 PathProgramCache]: Analyzing trace with hash -981089614, now seen corresponding path program 10 times [2020-10-12 10:07:23,620 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:07:23,621 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1355283393] [2020-10-12 10:07:23,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:07:23,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:23,630 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:23,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:24,122 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:24,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-12 10:07:24,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:07:24,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 494 [2020-10-12 10:07:24,123 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:24,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-12 10:07:24,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:07:24,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-10-12 10:07:24,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:24,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:07:24,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:24,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:24,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:24,435 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:07:24,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:24,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:24,436 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:24,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:07:24,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:24,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:07:24,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:24,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-10-12 10:07:24,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:24,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:24,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:24,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:24,450 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:24,450 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 10:07:24,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:24,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:24,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:24,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:24,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:24,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 10:07:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:24,459 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:24,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:24,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:24,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:24,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 10:07:24,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:24,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:24,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:24,467 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:24,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:24,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 10:07:24,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:24,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:24,477 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:24,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:24,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:24,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 10:07:24,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:24,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:24,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:24,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:24,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:24,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 10:07:24,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:24,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:24,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:24,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:24,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:24,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 10:07:24,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:24,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:24,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:24,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:24,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:24,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 10:07:24,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:24,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:24,501 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:24,501 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:24,501 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:24,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 10:07:24,502 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:24,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:24,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:24,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:24,503 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:24,536 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 50 proven. 52 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-10-12 10:07:24,536 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1355283393] [2020-10-12 10:07:24,537 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:07:24,537 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-12 10:07:24,537 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310400327] [2020-10-12 10:07:24,538 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-12 10:07:24,538 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:07:24,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-12 10:07:24,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=310, Unknown=0, NotChecked=0, Total=380 [2020-10-12 10:07:24,540 INFO L87 Difference]: Start difference. First operand 71 states and 73 transitions. Second operand 20 states. [2020-10-12 10:07:25,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:07:25,189 INFO L93 Difference]: Finished difference Result 104 states and 112 transitions. [2020-10-12 10:07:25,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-10-12 10:07:25,189 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 67 [2020-10-12 10:07:25,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:07:25,191 INFO L225 Difference]: With dead ends: 104 [2020-10-12 10:07:25,191 INFO L226 Difference]: Without dead ends: 73 [2020-10-12 10:07:25,192 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 227 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=205, Invalid=985, Unknown=0, NotChecked=0, Total=1190 [2020-10-12 10:07:25,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-10-12 10:07:25,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-10-12 10:07:25,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-10-12 10:07:25,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 75 transitions. [2020-10-12 10:07:25,206 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 75 transitions. Word has length 67 [2020-10-12 10:07:25,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:07:25,206 INFO L479 AbstractCegarLoop]: Abstraction has 73 states and 75 transitions. [2020-10-12 10:07:25,207 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-12 10:07:25,207 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 75 transitions. [2020-10-12 10:07:25,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-10-12 10:07:25,208 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:07:25,208 INFO L422 BasicCegarLoop]: trace histogram [8, 7, 6, 6, 6, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:07:25,208 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-12 10:07:25,209 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:07:25,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:07:25,209 INFO L82 PathProgramCache]: Analyzing trace with hash 1948289847, now seen corresponding path program 11 times [2020-10-12 10:07:25,209 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:07:25,210 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [828265051] [2020-10-12 10:07:25,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:07:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:25,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:25,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:25,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:25,694 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-12 10:07:25,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:07:25,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 476 [2020-10-12 10:07:25,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:25,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 18 [2020-10-12 10:07:25,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:07:25,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-12 10:07:25,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:25,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:07:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:25,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:25,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:25,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:07:25,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:25,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:25,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:25,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:07:25,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:25,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:07:25,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:26,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 10:07:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:26,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:26,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:26,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:26,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:26,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:07:26,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:26,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:26,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:26,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:26,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:26,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 10:07:26,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:26,012 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:26,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:26,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:26,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:26,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:07:26,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:26,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:26,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:26,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:26,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:26,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 10:07:26,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:26,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:26,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:26,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:26,023 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:26,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:07:26,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:26,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:26,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:26,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:26,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:26,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 10:07:26,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:26,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:26,032 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:26,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:26,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:26,033 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:07:26,033 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:26,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:26,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:26,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:26,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:26,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 10:07:26,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:26,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:26,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:26,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:26,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:26,042 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:07:26,042 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:26,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:26,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:26,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:26,043 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:26,055 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 10 proven. 104 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2020-10-12 10:07:26,056 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [828265051] [2020-10-12 10:07:26,056 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:07:26,056 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-10-12 10:07:26,056 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121251974] [2020-10-12 10:07:26,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-10-12 10:07:26,057 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:07:26,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-10-12 10:07:26,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=342, Unknown=0, NotChecked=0, Total=380 [2020-10-12 10:07:26,058 INFO L87 Difference]: Start difference. First operand 73 states and 75 transitions. Second operand 20 states. [2020-10-12 10:07:26,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:07:26,724 INFO L93 Difference]: Finished difference Result 85 states and 87 transitions. [2020-10-12 10:07:26,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-12 10:07:26,725 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 69 [2020-10-12 10:07:26,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:07:26,726 INFO L225 Difference]: With dead ends: 85 [2020-10-12 10:07:26,726 INFO L226 Difference]: Without dead ends: 83 [2020-10-12 10:07:26,727 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=83, Invalid=787, Unknown=0, NotChecked=0, Total=870 [2020-10-12 10:07:26,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-10-12 10:07:26,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 81. [2020-10-12 10:07:26,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2020-10-12 10:07:26,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 83 transitions. [2020-10-12 10:07:26,744 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 83 transitions. Word has length 69 [2020-10-12 10:07:26,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:07:26,745 INFO L479 AbstractCegarLoop]: Abstraction has 81 states and 83 transitions. [2020-10-12 10:07:26,745 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-10-12 10:07:26,745 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 83 transitions. [2020-10-12 10:07:26,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2020-10-12 10:07:26,746 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:07:26,746 INFO L422 BasicCegarLoop]: trace histogram [8, 7, 7, 7, 7, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:07:26,748 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-12 10:07:26,748 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:07:26,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:07:26,749 INFO L82 PathProgramCache]: Analyzing trace with hash 646870126, now seen corresponding path program 12 times [2020-10-12 10:07:26,749 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:07:26,749 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1924657418] [2020-10-12 10:07:26,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:07:26,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:26,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:26,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:27,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:27,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-12 10:07:27,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:07:27,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 487 [2020-10-12 10:07:27,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:27,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-12 10:07:27,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:07:27,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 85 [2020-10-12 10:07:27,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:27,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:07:27,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:27,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:27,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:27,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:07:27,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:27,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:27,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:27,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:07:27,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:27,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:07:27,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:27,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-12 10:07:27,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:27,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:27,598 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:27,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:27,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:27,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 10:07:27,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:27,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:27,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:27,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:27,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:27,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 10:07:27,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:27,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:27,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:27,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:27,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:27,609 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 10:07:27,609 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:27,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:27,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:27,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:27,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:27,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 10:07:27,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:27,614 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:27,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:27,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:27,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:27,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 10:07:27,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:27,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:27,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:27,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:27,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:27,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 10:07:27,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:27,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:27,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:27,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:27,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:27,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 10:07:27,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:27,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:27,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:27,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:27,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:27,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 10:07:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:27,636 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:27,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:27,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:27,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:27,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 10:07:27,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:27,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:27,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:27,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:27,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:27,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 10:07:27,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:27,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:27,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:27,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:27,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:27,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:07:27,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:27,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:27,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:27,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:27,650 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:27,669 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 52 proven. 88 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2020-10-12 10:07:27,669 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1924657418] [2020-10-12 10:07:27,669 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:07:27,670 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-12 10:07:27,670 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846097050] [2020-10-12 10:07:27,670 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-12 10:07:27,670 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:07:27,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-12 10:07:27,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=380, Unknown=0, NotChecked=0, Total=462 [2020-10-12 10:07:27,671 INFO L87 Difference]: Start difference. First operand 81 states and 83 transitions. Second operand 22 states. [2020-10-12 10:07:28,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:07:28,498 INFO L93 Difference]: Finished difference Result 118 states and 127 transitions. [2020-10-12 10:07:28,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-12 10:07:28,499 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 77 [2020-10-12 10:07:28,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:07:28,500 INFO L225 Difference]: With dead ends: 118 [2020-10-12 10:07:28,500 INFO L226 Difference]: Without dead ends: 83 [2020-10-12 10:07:28,503 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 278 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=233, Invalid=1173, Unknown=0, NotChecked=0, Total=1406 [2020-10-12 10:07:28,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2020-10-12 10:07:28,511 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2020-10-12 10:07:28,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2020-10-12 10:07:28,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 85 transitions. [2020-10-12 10:07:28,512 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 85 transitions. Word has length 77 [2020-10-12 10:07:28,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:07:28,512 INFO L479 AbstractCegarLoop]: Abstraction has 83 states and 85 transitions. [2020-10-12 10:07:28,512 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-12 10:07:28,512 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 85 transitions. [2020-10-12 10:07:28,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-12 10:07:28,516 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:07:28,517 INFO L422 BasicCegarLoop]: trace histogram [9, 8, 7, 7, 7, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:07:28,517 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-12 10:07:28,517 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:07:28,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:07:28,517 INFO L82 PathProgramCache]: Analyzing trace with hash -484435277, now seen corresponding path program 13 times [2020-10-12 10:07:28,518 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:07:28,518 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [791106609] [2020-10-12 10:07:28,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:07:28,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:28,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:28,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:28,998 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:28,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-12 10:07:28,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:07:28,999 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 473 [2020-10-12 10:07:28,999 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:28,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 20 [2020-10-12 10:07:29,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:07:29,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 87 [2020-10-12 10:07:29,000 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:29,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:07:29,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:29,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:29,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:29,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:07:29,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:29,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:29,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:29,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:07:29,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:29,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:07:29,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:29,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 10:07:29,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:29,312 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:29,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:29,315 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:29,315 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:29,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:29,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:29,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:29,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:29,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:29,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:29,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 10:07:29,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:29,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:29,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:29,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:29,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:29,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:29,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:29,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:29,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:29,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:29,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:29,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 10:07:29,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:29,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:29,330 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:29,330 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:29,330 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:29,330 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:29,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:29,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:29,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:29,331 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:29,331 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:29,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 10:07:29,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:29,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:29,336 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:29,337 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:29,337 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:29,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:29,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:29,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:29,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:29,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:29,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:29,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 10:07:29,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:29,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:29,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:29,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:29,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:29,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:29,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:29,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:29,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:29,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:29,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:29,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 10:07:29,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:29,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:29,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:29,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:29,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:29,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:29,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:29,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:29,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:29,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:29,351 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:29,365 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 12 proven. 142 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-10-12 10:07:29,366 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [791106609] [2020-10-12 10:07:29,366 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:07:29,366 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-12 10:07:29,366 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526769340] [2020-10-12 10:07:29,367 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-12 10:07:29,367 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:07:29,367 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-12 10:07:29,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=421, Unknown=0, NotChecked=0, Total=462 [2020-10-12 10:07:29,368 INFO L87 Difference]: Start difference. First operand 83 states and 85 transitions. Second operand 22 states. [2020-10-12 10:07:30,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:07:30,198 INFO L93 Difference]: Finished difference Result 95 states and 97 transitions. [2020-10-12 10:07:30,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-12 10:07:30,199 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 79 [2020-10-12 10:07:30,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:07:30,200 INFO L225 Difference]: With dead ends: 95 [2020-10-12 10:07:30,200 INFO L226 Difference]: Without dead ends: 93 [2020-10-12 10:07:30,202 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=94, Invalid=1028, Unknown=0, NotChecked=0, Total=1122 [2020-10-12 10:07:30,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-10-12 10:07:30,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91. [2020-10-12 10:07:30,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-10-12 10:07:30,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 93 transitions. [2020-10-12 10:07:30,209 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 93 transitions. Word has length 79 [2020-10-12 10:07:30,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:07:30,209 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 93 transitions. [2020-10-12 10:07:30,209 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-12 10:07:30,209 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 93 transitions. [2020-10-12 10:07:30,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-10-12 10:07:30,210 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:07:30,210 INFO L422 BasicCegarLoop]: trace histogram [9, 8, 8, 8, 8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:07:30,211 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-12 10:07:30,211 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:07:30,211 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:07:30,211 INFO L82 PathProgramCache]: Analyzing trace with hash 833931242, now seen corresponding path program 14 times [2020-10-12 10:07:30,211 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:07:30,211 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [364500743] [2020-10-12 10:07:30,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:07:30,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:30,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:30,266 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:30,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:30,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 109 [2020-10-12 10:07:30,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:07:30,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 667 [2020-10-12 10:07:30,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:30,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-12 10:07:30,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:07:30,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 97 [2020-10-12 10:07:30,887 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:31,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:07:31,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:31,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:31,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:31,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:07:31,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:31,297 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:31,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:31,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:07:31,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:31,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:07:31,298 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:31,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-12 10:07:31,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:31,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:31,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:31,304 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:31,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:31,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:07:31,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:31,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:31,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:31,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:31,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:31,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 10:07:31,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:31,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:31,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:31,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:31,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:31,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:07:31,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:31,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:31,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:31,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:31,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:31,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 10:07:31,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:31,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:31,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:31,325 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:31,325 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:31,325 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 10:07:31,325 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:31,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:31,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:31,326 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:31,326 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:31,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 10:07:31,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:31,331 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:31,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:31,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:31,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:31,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 10:07:31,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:31,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:31,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:31,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:31,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:31,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 10:07:31,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:31,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:31,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:31,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:31,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:31,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:07:31,345 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:31,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:31,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:31,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:31,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:31,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 10:07:31,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:31,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:31,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:31,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:31,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:31,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 10:07:31,357 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:31,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:31,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:31,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:31,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:31,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 10:07:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:31,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:31,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:31,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:31,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:31,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:07:31,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:31,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:31,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:31,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:31,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:31,401 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 74 proven. 110 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2020-10-12 10:07:31,401 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [364500743] [2020-10-12 10:07:31,404 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:07:31,405 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-12 10:07:31,405 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694608033] [2020-10-12 10:07:31,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-12 10:07:31,406 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:07:31,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-12 10:07:31,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=453, Unknown=0, NotChecked=0, Total=552 [2020-10-12 10:07:31,407 INFO L87 Difference]: Start difference. First operand 91 states and 93 transitions. Second operand 24 states. [2020-10-12 10:07:32,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:07:32,316 INFO L93 Difference]: Finished difference Result 132 states and 142 transitions. [2020-10-12 10:07:32,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-10-12 10:07:32,316 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 87 [2020-10-12 10:07:32,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:07:32,318 INFO L225 Difference]: With dead ends: 132 [2020-10-12 10:07:32,318 INFO L226 Difference]: Without dead ends: 93 [2020-10-12 10:07:32,319 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 350 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=286, Invalid=1436, Unknown=0, NotChecked=0, Total=1722 [2020-10-12 10:07:32,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2020-10-12 10:07:32,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2020-10-12 10:07:32,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-10-12 10:07:32,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 95 transitions. [2020-10-12 10:07:32,327 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 95 transitions. Word has length 87 [2020-10-12 10:07:32,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:07:32,328 INFO L479 AbstractCegarLoop]: Abstraction has 93 states and 95 transitions. [2020-10-12 10:07:32,328 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-12 10:07:32,328 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 95 transitions. [2020-10-12 10:07:32,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-10-12 10:07:32,329 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:07:32,329 INFO L422 BasicCegarLoop]: trace histogram [10, 9, 8, 8, 8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:07:32,329 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-12 10:07:32,329 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:07:32,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:07:32,330 INFO L82 PathProgramCache]: Analyzing trace with hash -1701635089, now seen corresponding path program 15 times [2020-10-12 10:07:32,330 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:07:32,330 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1523472876] [2020-10-12 10:07:32,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:07:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:32,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:32,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:32,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:32,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 111 [2020-10-12 10:07:32,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:07:32,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 611 [2020-10-12 10:07:32,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:32,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 22 [2020-10-12 10:07:32,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:07:32,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 99 [2020-10-12 10:07:32,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:33,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:07:33,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:33,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:33,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:33,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:07:33,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:33,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:33,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:33,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:07:33,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:33,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:07:33,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:33,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 10:07:33,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:33,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:33,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:33,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:33,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:33,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:33,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:33,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:33,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:33,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:33,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:33,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 10:07:33,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:33,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:33,379 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:33,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:33,380 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:33,380 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 10:07:33,380 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:33,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:33,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:33,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:33,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:33,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 10:07:33,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:33,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:33,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:33,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:33,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:33,387 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:33,387 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:33,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:33,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:33,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:33,388 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:33,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 10:07:33,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:33,392 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:33,397 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:33,397 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:33,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:33,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 10:07:33,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:33,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:33,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:33,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:33,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:33,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 10:07:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:33,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:33,403 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:33,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:33,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:33,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:33,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:33,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:33,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:33,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:33,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:33,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 10:07:33,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:33,409 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:33,411 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:33,411 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:33,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:33,412 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:33,412 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:33,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:33,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:33,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:33,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:33,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 10:07:33,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:33,416 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:33,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:33,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:33,418 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:33,418 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:33,418 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:33,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:33,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:33,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:33,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:33,436 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 14 proven. 186 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2020-10-12 10:07:33,436 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1523472876] [2020-10-12 10:07:33,437 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:07:33,437 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-12 10:07:33,437 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461931948] [2020-10-12 10:07:33,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-12 10:07:33,439 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:07:33,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-12 10:07:33,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=507, Unknown=0, NotChecked=0, Total=552 [2020-10-12 10:07:33,440 INFO L87 Difference]: Start difference. First operand 93 states and 95 transitions. Second operand 24 states. [2020-10-12 10:07:34,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:07:34,580 INFO L93 Difference]: Finished difference Result 105 states and 107 transitions. [2020-10-12 10:07:34,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-10-12 10:07:34,581 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 89 [2020-10-12 10:07:34,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:07:34,582 INFO L225 Difference]: With dead ends: 105 [2020-10-12 10:07:34,582 INFO L226 Difference]: Without dead ends: 103 [2020-10-12 10:07:34,584 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=102, Invalid=1230, Unknown=0, NotChecked=0, Total=1332 [2020-10-12 10:07:34,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-10-12 10:07:34,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 101. [2020-10-12 10:07:34,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-10-12 10:07:34,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 103 transitions. [2020-10-12 10:07:34,594 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 103 transitions. Word has length 89 [2020-10-12 10:07:34,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:07:34,595 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 103 transitions. [2020-10-12 10:07:34,595 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-12 10:07:34,595 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 103 transitions. [2020-10-12 10:07:34,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2020-10-12 10:07:34,597 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:07:34,597 INFO L422 BasicCegarLoop]: trace histogram [10, 9, 9, 9, 9, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:07:34,597 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-12 10:07:34,597 INFO L427 AbstractCegarLoop]: === Iteration 18 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:07:34,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:07:34,598 INFO L82 PathProgramCache]: Analyzing trace with hash -895431386, now seen corresponding path program 16 times [2020-10-12 10:07:34,598 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:07:34,598 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1953949017] [2020-10-12 10:07:34,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:07:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:34,605 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:34,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:35,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:35,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 121 [2020-10-12 10:07:35,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:07:35,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 687 [2020-10-12 10:07:35,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:35,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-12 10:07:35,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:07:35,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 109 [2020-10-12 10:07:35,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:35,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:07:35,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:35,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:35,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:35,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:07:35,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:35,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:35,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:35,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:07:35,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:35,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:07:35,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:35,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-10-12 10:07:35,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:35,810 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:35,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:35,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:35,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:35,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 10:07:35,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:35,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:35,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:35,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:35,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:35,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 10:07:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:35,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:35,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:35,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:35,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:35,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 10:07:35,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:35,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:35,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:35,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:35,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:35,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 10:07:35,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:35,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:35,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:35,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:35,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:35,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 10:07:35,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:35,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:35,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:35,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:35,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:35,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 10:07:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:35,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:35,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:35,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:35,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:35,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 10:07:35,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:35,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:35,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:35,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:35,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:35,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 10:07:35,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:35,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:35,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:35,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:35,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:35,849 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:07:35,849 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:35,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:35,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:35,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:35,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:35,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 10:07:35,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:35,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:35,856 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:35,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:35,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:35,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:07:35,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:35,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:35,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:35,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:35,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:35,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 10:07:35,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:35,863 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:35,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:35,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:35,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:35,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 10:07:35,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:35,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:35,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:35,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:35,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:35,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 10:07:35,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:35,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:35,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:35,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:35,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:35,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:07:35,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:35,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:35,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:35,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:35,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:35,908 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 128 proven. 106 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2020-10-12 10:07:35,909 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1953949017] [2020-10-12 10:07:35,909 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:07:35,909 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-10-12 10:07:35,914 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515535954] [2020-10-12 10:07:35,916 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-12 10:07:35,917 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:07:35,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-12 10:07:35,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=124, Invalid=526, Unknown=0, NotChecked=0, Total=650 [2020-10-12 10:07:35,918 INFO L87 Difference]: Start difference. First operand 101 states and 103 transitions. Second operand 26 states. [2020-10-12 10:07:37,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:07:37,058 INFO L93 Difference]: Finished difference Result 146 states and 157 transitions. [2020-10-12 10:07:37,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-10-12 10:07:37,059 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 97 [2020-10-12 10:07:37,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:07:37,061 INFO L225 Difference]: With dead ends: 146 [2020-10-12 10:07:37,061 INFO L226 Difference]: Without dead ends: 103 [2020-10-12 10:07:37,063 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 422 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=368, Invalid=1702, Unknown=0, NotChecked=0, Total=2070 [2020-10-12 10:07:37,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-10-12 10:07:37,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2020-10-12 10:07:37,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2020-10-12 10:07:37,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 105 transitions. [2020-10-12 10:07:37,072 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 105 transitions. Word has length 97 [2020-10-12 10:07:37,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:07:37,072 INFO L479 AbstractCegarLoop]: Abstraction has 103 states and 105 transitions. [2020-10-12 10:07:37,072 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-12 10:07:37,072 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 105 transitions. [2020-10-12 10:07:37,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-12 10:07:37,073 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:07:37,073 INFO L422 BasicCegarLoop]: trace histogram [11, 10, 9, 9, 9, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:07:37,074 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-12 10:07:37,074 INFO L427 AbstractCegarLoop]: === Iteration 19 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:07:37,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:07:37,074 INFO L82 PathProgramCache]: Analyzing trace with hash 689807083, now seen corresponding path program 17 times [2020-10-12 10:07:37,074 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:07:37,075 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1912045803] [2020-10-12 10:07:37,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:07:37,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:37,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:37,119 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:37,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:37,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 123 [2020-10-12 10:07:37,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:07:37,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 720 [2020-10-12 10:07:37,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:37,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 24 [2020-10-12 10:07:37,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:07:37,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 111 [2020-10-12 10:07:37,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:38,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:07:38,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:38,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:38,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:38,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:07:38,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:38,247 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:38,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:38,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:07:38,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:38,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:07:38,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:38,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 10:07:38,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:38,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:38,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:38,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:38,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:38,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:07:38,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:38,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:38,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:38,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:38,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:38,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 10:07:38,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:38,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:38,266 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:38,266 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:38,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:38,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:38,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:38,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:38,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:38,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:38,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:38,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 10:07:38,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:38,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:38,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:38,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:38,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:38,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:38,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:38,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:38,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:38,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:38,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:38,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 10:07:38,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:38,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:38,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:38,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:38,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:38,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 10:07:38,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:38,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:38,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:38,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:38,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:38,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-12 10:07:38,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:38,287 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:38,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:38,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:38,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:38,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 10:07:38,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:38,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:38,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:38,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:38,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:38,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 10:07:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:38,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:38,300 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:38,301 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:38,301 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:38,301 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:38,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:38,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:38,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:38,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:38,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:38,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-12 10:07:38,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:38,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:38,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:38,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:38,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:38,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:38,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:38,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:38,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:38,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:38,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:38,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 10:07:38,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:38,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:38,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:38,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:38,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:38,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:38,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:38,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:38,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:38,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:38,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:38,332 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 16 proven. 236 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2020-10-12 10:07:38,333 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1912045803] [2020-10-12 10:07:38,333 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:07:38,333 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-10-12 10:07:38,333 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837640222] [2020-10-12 10:07:38,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-10-12 10:07:38,335 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:07:38,335 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-10-12 10:07:38,335 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=601, Unknown=0, NotChecked=0, Total=650 [2020-10-12 10:07:38,336 INFO L87 Difference]: Start difference. First operand 103 states and 105 transitions. Second operand 26 states. [2020-10-12 10:07:39,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:07:39,643 INFO L93 Difference]: Finished difference Result 115 states and 117 transitions. [2020-10-12 10:07:39,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-10-12 10:07:39,644 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 99 [2020-10-12 10:07:39,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:07:39,647 INFO L225 Difference]: With dead ends: 115 [2020-10-12 10:07:39,647 INFO L226 Difference]: Without dead ends: 113 [2020-10-12 10:07:39,648 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=110, Invalid=1450, Unknown=0, NotChecked=0, Total=1560 [2020-10-12 10:07:39,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-10-12 10:07:39,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 111. [2020-10-12 10:07:39,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2020-10-12 10:07:39,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 113 transitions. [2020-10-12 10:07:39,656 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 113 transitions. Word has length 99 [2020-10-12 10:07:39,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:07:39,656 INFO L479 AbstractCegarLoop]: Abstraction has 111 states and 113 transitions. [2020-10-12 10:07:39,656 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-10-12 10:07:39,656 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 113 transitions. [2020-10-12 10:07:39,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-10-12 10:07:39,658 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:07:39,658 INFO L422 BasicCegarLoop]: trace histogram [11, 10, 10, 10, 10, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:07:39,658 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-12 10:07:39,658 INFO L427 AbstractCegarLoop]: === Iteration 20 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:07:39,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:07:39,659 INFO L82 PathProgramCache]: Analyzing trace with hash -488205278, now seen corresponding path program 18 times [2020-10-12 10:07:39,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:07:39,659 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [672517547] [2020-10-12 10:07:39,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:07:39,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:39,667 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:39,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:40,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:40,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 133 [2020-10-12 10:07:40,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:07:40,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 724 [2020-10-12 10:07:40,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:40,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-12 10:07:40,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:07:40,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 121 [2020-10-12 10:07:40,390 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:40,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:07:40,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:40,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:40,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:40,904 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:07:40,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:40,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:40,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:40,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:07:40,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:40,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:07:40,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:40,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 10:07:40,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:40,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:40,910 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:40,910 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:40,910 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:40,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:40,911 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:40,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:40,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:40,911 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:40,911 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:40,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 10:07:40,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:40,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:40,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:40,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:40,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:40,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:07:40,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:40,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:40,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:40,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:40,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:40,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 10:07:40,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:40,935 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:40,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:40,938 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:40,938 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:40,938 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:07:40,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:40,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:40,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:40,939 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:40,939 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:40,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 10:07:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:40,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:40,945 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:40,945 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:40,945 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:40,945 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:07:40,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:40,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:40,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:40,946 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:40,946 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:40,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-12 10:07:40,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:40,950 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:40,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:40,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:40,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:40,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:07:40,953 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:40,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:40,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:40,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:40,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:40,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 10:07:40,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:40,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:40,959 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:40,959 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:40,959 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:40,959 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:40,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:40,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:40,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:40,960 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:40,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:40,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-12 10:07:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:40,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:40,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:40,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:40,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:40,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:07:40,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:40,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:40,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:40,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:40,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:40,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 10:07:40,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:40,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:40,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:40,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:40,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:40,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:40,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:40,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:40,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:40,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:40,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:40,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 10:07:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:40,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:40,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:40,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:40,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:40,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:07:40,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:40,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:40,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:40,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:40,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:41,023 INFO L134 CoverageAnalysis]: Checked inductivity of 434 backedges. 162 proven. 128 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2020-10-12 10:07:41,024 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [672517547] [2020-10-12 10:07:41,024 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:07:41,024 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-12 10:07:41,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2045298346] [2020-10-12 10:07:41,025 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-12 10:07:41,025 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:07:41,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-12 10:07:41,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=146, Invalid=610, Unknown=0, NotChecked=0, Total=756 [2020-10-12 10:07:41,026 INFO L87 Difference]: Start difference. First operand 111 states and 113 transitions. Second operand 28 states. [2020-10-12 10:07:42,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:07:42,365 INFO L93 Difference]: Finished difference Result 160 states and 172 transitions. [2020-10-12 10:07:42,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-10-12 10:07:42,365 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 107 [2020-10-12 10:07:42,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:07:42,367 INFO L225 Difference]: With dead ends: 160 [2020-10-12 10:07:42,367 INFO L226 Difference]: Without dead ends: 113 [2020-10-12 10:07:42,369 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 539 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=441, Invalid=2109, Unknown=0, NotChecked=0, Total=2550 [2020-10-12 10:07:42,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-10-12 10:07:42,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2020-10-12 10:07:42,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-10-12 10:07:42,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 115 transitions. [2020-10-12 10:07:42,378 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 115 transitions. Word has length 107 [2020-10-12 10:07:42,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:07:42,378 INFO L479 AbstractCegarLoop]: Abstraction has 113 states and 115 transitions. [2020-10-12 10:07:42,378 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-12 10:07:42,379 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 115 transitions. [2020-10-12 10:07:42,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2020-10-12 10:07:42,380 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:07:42,380 INFO L422 BasicCegarLoop]: trace histogram [12, 11, 10, 10, 10, 9, 9, 9, 9, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:07:42,380 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-12 10:07:42,380 INFO L427 AbstractCegarLoop]: === Iteration 21 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:07:42,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:07:42,381 INFO L82 PathProgramCache]: Analyzing trace with hash -1605389401, now seen corresponding path program 19 times [2020-10-12 10:07:42,381 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:07:42,381 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1851850681] [2020-10-12 10:07:42,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:07:42,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:42,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:42,444 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:43,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:43,144 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 135 [2020-10-12 10:07:43,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:07:43,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 756 [2020-10-12 10:07:43,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:43,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 26 [2020-10-12 10:07:43,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:07:43,145 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 123 [2020-10-12 10:07:43,145 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:43,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:07:43,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:43,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:43,642 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:43,642 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:07:43,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:43,643 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:43,643 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:43,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:07:43,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:43,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:07:43,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:43,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 10:07:43,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:43,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:43,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:43,647 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:43,647 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:43,647 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:43,647 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:43,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:43,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:43,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:43,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:43,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 10:07:43,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:43,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:43,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:43,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:43,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:43,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:43,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:43,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:43,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:43,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:43,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:43,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 10:07:43,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:43,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:43,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:43,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:43,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:43,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:43,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:43,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:43,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:43,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:43,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:43,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 10:07:43,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:43,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:43,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:43,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:43,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:43,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:43,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:43,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:43,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:43,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:43,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:43,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 10:07:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:43,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:43,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:43,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:43,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:43,664 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:43,664 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:43,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:43,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:43,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:43,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:43,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 10:07:43,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:43,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:43,669 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:43,669 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:43,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:43,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:43,670 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:43,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:43,670 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:43,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:43,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:43,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-12 10:07:43,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:43,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:43,675 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:43,675 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:43,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:43,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:43,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:43,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:43,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:43,676 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:43,676 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:43,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 10:07:43,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:43,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:43,680 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:43,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:43,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:43,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:43,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:43,681 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:43,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:43,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:43,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:43,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-12 10:07:43,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:43,685 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:43,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:43,687 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:43,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:43,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:43,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:43,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:43,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:43,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:43,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:43,711 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 18 proven. 292 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2020-10-12 10:07:43,712 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1851850681] [2020-10-12 10:07:43,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:07:43,712 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2020-10-12 10:07:43,712 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1048315867] [2020-10-12 10:07:43,713 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2020-10-12 10:07:43,713 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:07:43,713 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2020-10-12 10:07:43,714 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=703, Unknown=0, NotChecked=0, Total=756 [2020-10-12 10:07:43,714 INFO L87 Difference]: Start difference. First operand 113 states and 115 transitions. Second operand 28 states. [2020-10-12 10:07:45,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:07:45,225 INFO L93 Difference]: Finished difference Result 125 states and 127 transitions. [2020-10-12 10:07:45,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-10-12 10:07:45,226 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 109 [2020-10-12 10:07:45,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:07:45,228 INFO L225 Difference]: With dead ends: 125 [2020-10-12 10:07:45,228 INFO L226 Difference]: Without dead ends: 123 [2020-10-12 10:07:45,229 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=118, Invalid=1688, Unknown=0, NotChecked=0, Total=1806 [2020-10-12 10:07:45,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-10-12 10:07:45,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 121. [2020-10-12 10:07:45,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-10-12 10:07:45,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 123 transitions. [2020-10-12 10:07:45,238 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 123 transitions. Word has length 109 [2020-10-12 10:07:45,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:07:45,238 INFO L479 AbstractCegarLoop]: Abstraction has 121 states and 123 transitions. [2020-10-12 10:07:45,238 INFO L480 AbstractCegarLoop]: Interpolant automaton has 28 states. [2020-10-12 10:07:45,238 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 123 transitions. [2020-10-12 10:07:45,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2020-10-12 10:07:45,239 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:07:45,240 INFO L422 BasicCegarLoop]: trace histogram [12, 11, 11, 11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:07:45,240 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-10-12 10:07:45,240 INFO L427 AbstractCegarLoop]: === Iteration 22 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:07:45,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:07:45,240 INFO L82 PathProgramCache]: Analyzing trace with hash 1124478174, now seen corresponding path program 20 times [2020-10-12 10:07:45,241 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:07:45,241 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [491490707] [2020-10-12 10:07:45,241 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:07:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:45,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:45,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:45,972 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:45,972 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 145 [2020-10-12 10:07:45,972 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:07:45,972 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 725 [2020-10-12 10:07:45,973 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:45,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-12 10:07:45,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:07:45,973 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 133 [2020-10-12 10:07:45,973 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:46,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:07:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:46,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:46,569 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:46,569 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:07:46,570 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:46,570 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:46,570 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:46,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:07:46,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:46,570 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:07:46,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:46,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 10:07:46,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:46,572 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:46,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:46,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:46,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:46,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:46,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:46,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:46,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:46,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:46,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:46,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 10:07:46,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:46,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:46,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:46,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:46,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:46,580 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:07:46,580 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:46,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:46,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:46,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:46,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:46,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 10:07:46,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:46,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:46,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:46,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:46,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:46,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 10:07:46,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:46,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:46,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:46,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:46,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:46,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 10:07:46,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:46,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:46,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:46,597 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:46,597 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:46,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:07:46,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:46,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:46,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:46,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:46,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:46,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 10:07:46,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:46,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:46,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:46,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:46,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:46,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:46,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:46,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:46,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:46,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:46,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:46,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 10:07:46,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:46,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:46,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:46,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:46,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:46,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:46,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:46,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:46,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:46,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:46,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:46,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-12 10:07:46,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:46,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:46,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:46,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:46,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:46,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:46,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:46,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:46,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:46,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:46,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:46,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 10:07:46,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:46,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:46,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:46,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:46,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:46,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:07:46,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:46,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:46,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:46,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:46,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:46,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-12 10:07:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:46,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:46,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:46,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:46,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:46,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:46,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:46,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:46,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:46,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:46,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:46,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 10:07:46,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:46,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:46,647 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:46,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:46,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:46,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 10:07:46,648 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:46,648 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:46,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:46,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:46,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:46,702 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 200 proven. 152 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2020-10-12 10:07:46,702 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [491490707] [2020-10-12 10:07:46,703 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:07:46,703 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-12 10:07:46,703 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448516800] [2020-10-12 10:07:46,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-12 10:07:46,704 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:07:46,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-12 10:07:46,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=170, Invalid=700, Unknown=0, NotChecked=0, Total=870 [2020-10-12 10:07:46,705 INFO L87 Difference]: Start difference. First operand 121 states and 123 transitions. Second operand 30 states. [2020-10-12 10:07:48,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:07:48,145 INFO L93 Difference]: Finished difference Result 174 states and 187 transitions. [2020-10-12 10:07:48,146 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-12 10:07:48,146 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 117 [2020-10-12 10:07:48,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:07:48,148 INFO L225 Difference]: With dead ends: 174 [2020-10-12 10:07:48,148 INFO L226 Difference]: Without dead ends: 123 [2020-10-12 10:07:48,149 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 604 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=510, Invalid=2352, Unknown=0, NotChecked=0, Total=2862 [2020-10-12 10:07:48,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-10-12 10:07:48,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2020-10-12 10:07:48,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2020-10-12 10:07:48,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 125 transitions. [2020-10-12 10:07:48,160 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 125 transitions. Word has length 117 [2020-10-12 10:07:48,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:07:48,160 INFO L479 AbstractCegarLoop]: Abstraction has 123 states and 125 transitions. [2020-10-12 10:07:48,160 INFO L480 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-12 10:07:48,160 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 125 transitions. [2020-10-12 10:07:48,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2020-10-12 10:07:48,161 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:07:48,161 INFO L422 BasicCegarLoop]: trace histogram [13, 12, 11, 11, 11, 10, 10, 10, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:07:48,162 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-10-12 10:07:48,162 INFO L427 AbstractCegarLoop]: === Iteration 23 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:07:48,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:07:48,162 INFO L82 PathProgramCache]: Analyzing trace with hash 497379875, now seen corresponding path program 21 times [2020-10-12 10:07:48,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:07:48,163 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [40943999] [2020-10-12 10:07:48,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:07:48,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:48,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:48,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:48,879 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:48,879 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-12 10:07:48,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:07:48,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 710 [2020-10-12 10:07:48,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:48,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 28 [2020-10-12 10:07:48,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:07:48,880 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 135 [2020-10-12 10:07:48,880 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:49,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:07:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:49,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:49,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:49,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:07:49,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:49,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:49,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:49,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:07:49,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:49,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:07:49,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:49,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 10:07:49,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:49,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:49,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:49,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:49,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:49,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:07:49,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:49,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:49,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:49,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:49,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:49,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 10:07:49,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:49,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:49,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:49,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:49,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:49,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:49,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:49,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:49,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:49,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:49,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:49,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 10:07:49,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:49,734 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:49,736 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:49,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:49,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:49,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:49,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:49,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:49,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:49,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:49,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:49,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 10:07:49,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:49,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:49,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:49,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:49,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:49,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 10:07:49,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:49,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:49,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:49,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:49,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:49,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 10:07:49,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:49,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:49,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:49,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:49,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:49,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:49,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:49,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:49,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:49,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:49,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:49,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 10:07:49,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:49,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:49,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:49,762 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:49,762 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:49,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:07:49,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:49,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:49,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:49,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:49,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:49,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-12 10:07:49,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:49,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:49,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:49,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:49,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:49,770 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:49,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:49,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:49,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:49,771 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:49,772 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:49,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 10:07:49,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:49,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:49,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:49,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:49,778 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:49,778 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:49,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:49,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:49,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:49,779 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:49,779 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:07:49,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 10:07:49,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:49,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:49,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:49,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:49,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:49,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:49,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:49,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:49,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:49,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:49,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:49,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 10:07:49,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:49,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:49,791 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:49,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:49,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:49,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:49,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:49,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:49,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:49,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:49,792 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:49,821 INFO L134 CoverageAnalysis]: Checked inductivity of 556 backedges. 20 proven. 354 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2020-10-12 10:07:49,824 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [40943999] [2020-10-12 10:07:49,828 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:07:49,828 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-10-12 10:07:49,830 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868876118] [2020-10-12 10:07:49,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-10-12 10:07:49,830 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:07:49,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-10-12 10:07:49,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=812, Unknown=0, NotChecked=0, Total=870 [2020-10-12 10:07:49,831 INFO L87 Difference]: Start difference. First operand 123 states and 125 transitions. Second operand 30 states. [2020-10-12 10:07:51,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:07:51,526 INFO L93 Difference]: Finished difference Result 135 states and 137 transitions. [2020-10-12 10:07:51,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-12 10:07:51,526 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 119 [2020-10-12 10:07:51,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:07:51,528 INFO L225 Difference]: With dead ends: 135 [2020-10-12 10:07:51,528 INFO L226 Difference]: Without dead ends: 133 [2020-10-12 10:07:51,529 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=123, Invalid=1857, Unknown=0, NotChecked=0, Total=1980 [2020-10-12 10:07:51,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-10-12 10:07:51,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 131. [2020-10-12 10:07:51,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2020-10-12 10:07:51,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 133 transitions. [2020-10-12 10:07:51,539 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 133 transitions. Word has length 119 [2020-10-12 10:07:51,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:07:51,539 INFO L479 AbstractCegarLoop]: Abstraction has 131 states and 133 transitions. [2020-10-12 10:07:51,539 INFO L480 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-10-12 10:07:51,539 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 133 transitions. [2020-10-12 10:07:51,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2020-10-12 10:07:51,540 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:07:51,540 INFO L422 BasicCegarLoop]: trace histogram [13, 12, 12, 12, 12, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:07:51,541 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-10-12 10:07:51,541 INFO L427 AbstractCegarLoop]: === Iteration 24 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:07:51,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:07:51,541 INFO L82 PathProgramCache]: Analyzing trace with hash 325822298, now seen corresponding path program 22 times [2020-10-12 10:07:51,541 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:07:51,542 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [33635580] [2020-10-12 10:07:51,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:07:51,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:51,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:51,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:52,349 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:52,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 157 [2020-10-12 10:07:52,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:07:52,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 801 [2020-10-12 10:07:52,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:52,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-12 10:07:52,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:07:52,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 145 [2020-10-12 10:07:52,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:53,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:07:53,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:53,032 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:53,033 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:53,033 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:07:53,033 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:53,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:53,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:53,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:07:53,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:53,034 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:07:53,034 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:53,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-12 10:07:53,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:53,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:53,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:53,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:53,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:53,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:07:53,040 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:53,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:53,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:53,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:53,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:53,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 10:07:53,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:53,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:53,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:53,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:53,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:53,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:53,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:53,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:53,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:53,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:53,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:53,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 10:07:53,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:53,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:53,051 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:53,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:53,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:53,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:07:53,052 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:53,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:53,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:53,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:53,053 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:53,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 10:07:53,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:53,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:53,058 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:53,058 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:53,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:53,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:53,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:53,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:53,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:53,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:53,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:53,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 10:07:53,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:53,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:53,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:53,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:53,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:53,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:07:53,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:53,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:53,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:53,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:53,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:53,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 10:07:53,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:53,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:53,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:53,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:53,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:53,075 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:07:53,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:53,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:53,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:53,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:53,075 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:53,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-12 10:07:53,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:53,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:53,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:53,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:53,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:53,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:07:53,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:53,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:53,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:53,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:53,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:53,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 10:07:53,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:53,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:53,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:53,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:53,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:53,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:07:53,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:53,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:53,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:53,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:53,091 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:53,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 10:07:53,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:53,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:53,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:53,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:53,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:53,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:07:53,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:53,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:53,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:53,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:53,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:53,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 10:07:53,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:53,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:53,106 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:53,106 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:53,106 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:53,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:07:53,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:53,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:53,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:53,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:53,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:53,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 10:07:53,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:53,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:53,113 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:53,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:53,114 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:53,114 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:07:53,114 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:53,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:53,114 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:53,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:53,115 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:53,150 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 242 proven. 178 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2020-10-12 10:07:53,150 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [33635580] [2020-10-12 10:07:53,150 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:07:53,151 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2020-10-12 10:07:53,151 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1218130136] [2020-10-12 10:07:53,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-10-12 10:07:53,151 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:07:53,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-10-12 10:07:53,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=796, Unknown=0, NotChecked=0, Total=992 [2020-10-12 10:07:53,152 INFO L87 Difference]: Start difference. First operand 131 states and 133 transitions. Second operand 32 states. [2020-10-12 10:07:54,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:07:54,843 INFO L93 Difference]: Finished difference Result 188 states and 202 transitions. [2020-10-12 10:07:54,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-10-12 10:07:54,843 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 127 [2020-10-12 10:07:54,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:07:54,845 INFO L225 Difference]: With dead ends: 188 [2020-10-12 10:07:54,845 INFO L226 Difference]: Without dead ends: 133 [2020-10-12 10:07:54,847 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 707 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=590, Invalid=2716, Unknown=0, NotChecked=0, Total=3306 [2020-10-12 10:07:54,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-10-12 10:07:54,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2020-10-12 10:07:54,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-10-12 10:07:54,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 135 transitions. [2020-10-12 10:07:54,857 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 135 transitions. Word has length 127 [2020-10-12 10:07:54,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:07:54,857 INFO L479 AbstractCegarLoop]: Abstraction has 133 states and 135 transitions. [2020-10-12 10:07:54,857 INFO L480 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-10-12 10:07:54,857 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 135 transitions. [2020-10-12 10:07:54,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2020-10-12 10:07:54,858 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:07:54,858 INFO L422 BasicCegarLoop]: trace histogram [14, 13, 12, 12, 12, 11, 11, 11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:07:54,859 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-10-12 10:07:54,859 INFO L427 AbstractCegarLoop]: === Iteration 25 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:07:54,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:07:54,859 INFO L82 PathProgramCache]: Analyzing trace with hash 327602783, now seen corresponding path program 23 times [2020-10-12 10:07:54,859 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:07:54,860 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1533458370] [2020-10-12 10:07:54,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:07:54,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:54,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:54,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:55,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:55,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 159 [2020-10-12 10:07:55,715 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:07:55,715 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 849 [2020-10-12 10:07:55,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:55,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 30 [2020-10-12 10:07:55,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:07:55,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 147 [2020-10-12 10:07:55,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:56,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:07:56,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:56,494 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:56,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:56,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:07:56,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:56,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:07:56,495 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:56,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:07:56,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:56,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:07:56,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:56,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 10:07:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:56,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:56,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:56,499 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:56,499 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:56,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:56,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:56,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:56,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:56,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:56,500 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:56,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 10:07:56,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:56,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:56,503 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:56,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:56,504 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:56,504 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:56,504 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:56,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:56,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:56,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:56,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:56,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 10:07:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:56,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:56,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:56,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:56,508 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:56,508 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:56,508 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:56,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:56,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:56,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:56,509 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:56,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 10:07:56,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:56,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:56,512 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:56,512 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:56,512 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:56,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:56,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:56,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:56,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:56,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:56,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:56,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 10:07:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:56,514 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:56,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:56,515 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:56,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:56,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:56,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:56,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:56,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:56,516 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:56,516 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:56,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 10:07:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:56,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:56,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:56,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:56,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:56,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:56,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:56,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:56,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:56,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:56,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:56,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 10:07:56,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:56,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:56,525 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:56,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:56,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:56,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:56,526 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:56,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:56,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:56,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:56,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:56,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 10:07:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:56,529 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:56,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:56,531 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:56,531 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:56,531 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:56,531 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:56,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:56,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:56,532 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:56,532 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:56,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 10:07:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:56,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:56,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:56,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:56,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:56,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:56,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:56,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:56,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:56,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:56,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:56,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 10:07:56,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:56,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:56,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:56,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:56,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:56,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:56,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:56,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:56,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:56,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:56,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:56,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 10:07:56,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:56,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:56,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:56,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:07:56,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:07:56,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:07:56,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:56,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:07:56,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:07:56,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:07:56,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:07:56,566 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 22 proven. 422 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2020-10-12 10:07:56,566 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1533458370] [2020-10-12 10:07:56,566 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:07:56,567 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2020-10-12 10:07:56,567 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1845795881] [2020-10-12 10:07:56,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 32 states [2020-10-12 10:07:56,567 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:07:56,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2020-10-12 10:07:56,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=931, Unknown=0, NotChecked=0, Total=992 [2020-10-12 10:07:56,568 INFO L87 Difference]: Start difference. First operand 133 states and 135 transitions. Second operand 32 states. [2020-10-12 10:07:58,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:07:58,710 INFO L93 Difference]: Finished difference Result 145 states and 147 transitions. [2020-10-12 10:07:58,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-10-12 10:07:58,711 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 129 [2020-10-12 10:07:58,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:07:58,713 INFO L225 Difference]: With dead ends: 145 [2020-10-12 10:07:58,713 INFO L226 Difference]: Without dead ends: 143 [2020-10-12 10:07:58,715 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=134, Invalid=2218, Unknown=0, NotChecked=0, Total=2352 [2020-10-12 10:07:58,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-10-12 10:07:58,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 141. [2020-10-12 10:07:58,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2020-10-12 10:07:58,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 143 transitions. [2020-10-12 10:07:58,724 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 143 transitions. Word has length 129 [2020-10-12 10:07:58,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:07:58,724 INFO L479 AbstractCegarLoop]: Abstraction has 141 states and 143 transitions. [2020-10-12 10:07:58,724 INFO L480 AbstractCegarLoop]: Interpolant automaton has 32 states. [2020-10-12 10:07:58,725 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 143 transitions. [2020-10-12 10:07:58,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2020-10-12 10:07:58,725 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:07:58,726 INFO L422 BasicCegarLoop]: trace histogram [14, 13, 13, 13, 13, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:07:58,726 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-10-12 10:07:58,726 INFO L427 AbstractCegarLoop]: === Iteration 26 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:07:58,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:07:58,726 INFO L82 PathProgramCache]: Analyzing trace with hash 628036502, now seen corresponding path program 24 times [2020-10-12 10:07:58,727 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:07:58,727 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1194745854] [2020-10-12 10:07:58,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:07:58,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:07:58,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:58,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:07:59,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:07:59,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 169 [2020-10-12 10:07:59,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:07:59,522 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 788 [2020-10-12 10:07:59,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:07:59,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-12 10:07:59,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:07:59,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-10-12 10:07:59,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:00,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:08:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:00,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:00,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:00,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:08:00,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:00,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:08:00,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:00,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:08:00,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:00,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:08:00,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:08:00,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 10:08:00,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:00,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:00,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:00,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:00,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:00,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 10:08:00,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:00,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:00,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:00,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:00,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:08:00,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 10:08:00,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:00,566 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:00,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:00,570 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:00,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:00,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 10:08:00,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:00,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:00,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:00,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:00,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:08:00,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 10:08:00,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:00,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:00,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:00,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:00,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:00,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 10:08:00,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:00,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:00,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:00,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:00,583 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:08:00,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 10:08:00,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:00,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:00,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:00,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:00,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:00,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 10:08:00,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:00,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:00,595 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:00,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:00,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:08:00,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 10:08:00,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:00,601 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:00,605 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:00,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:00,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:00,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 10:08:00,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:00,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:00,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:00,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:00,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:08:00,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 10:08:00,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:00,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:00,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:00,619 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:00,619 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:00,619 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 10:08:00,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:00,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:00,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:00,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:00,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:08:00,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 10:08:00,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:00,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:00,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:00,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:00,631 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:00,631 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 10:08:00,631 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:00,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:00,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:00,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:00,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:08:00,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 10:08:00,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:00,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:00,643 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:00,643 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:00,643 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:00,644 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 10:08:00,644 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:00,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:00,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:00,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:00,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:08:00,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 10:08:00,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:00,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:00,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:00,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:00,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:00,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 10:08:00,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:00,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:00,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:00,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:00,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 21 [2020-10-12 10:08:00,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 10:08:00,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:00,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:00,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:00,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:00,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:00,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 10:08:00,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:00,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:00,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:00,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:00,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:08:00,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 10:08:00,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:00,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:00,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:00,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:00,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:00,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 10:08:00,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:00,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:00,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:00,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:00,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:08:00,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-12 10:08:00,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:00,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:00,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:00,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:00,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:00,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 10:08:00,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:00,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:00,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:00,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:00,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 10:08:00,814 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 288 proven. 206 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2020-10-12 10:08:00,815 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1194745854] [2020-10-12 10:08:00,815 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:08:00,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2020-10-12 10:08:00,816 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142760843] [2020-10-12 10:08:00,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-10-12 10:08:00,817 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:08:00,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-10-12 10:08:00,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=898, Unknown=0, NotChecked=0, Total=1122 [2020-10-12 10:08:00,818 INFO L87 Difference]: Start difference. First operand 141 states and 143 transitions. Second operand 34 states. [2020-10-12 10:08:02,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:08:02,880 INFO L93 Difference]: Finished difference Result 202 states and 217 transitions. [2020-10-12 10:08:02,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-10-12 10:08:02,881 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 137 [2020-10-12 10:08:02,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:08:02,883 INFO L225 Difference]: With dead ends: 202 [2020-10-12 10:08:02,883 INFO L226 Difference]: Without dead ends: 143 [2020-10-12 10:08:02,885 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 818 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=676, Invalid=3106, Unknown=0, NotChecked=0, Total=3782 [2020-10-12 10:08:02,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2020-10-12 10:08:02,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2020-10-12 10:08:02,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2020-10-12 10:08:02,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 145 transitions. [2020-10-12 10:08:02,896 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 145 transitions. Word has length 137 [2020-10-12 10:08:02,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:08:02,896 INFO L479 AbstractCegarLoop]: Abstraction has 143 states and 145 transitions. [2020-10-12 10:08:02,896 INFO L480 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-10-12 10:08:02,896 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 145 transitions. [2020-10-12 10:08:02,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2020-10-12 10:08:02,897 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:08:02,898 INFO L422 BasicCegarLoop]: trace histogram [15, 14, 13, 13, 13, 12, 12, 12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:08:02,898 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-10-12 10:08:02,898 INFO L427 AbstractCegarLoop]: === Iteration 27 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:08:02,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:08:02,898 INFO L82 PathProgramCache]: Analyzing trace with hash 1380449371, now seen corresponding path program 25 times [2020-10-12 10:08:02,898 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:08:02,899 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2054776089] [2020-10-12 10:08:02,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:08:02,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:02,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:02,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:03,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:03,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 171 [2020-10-12 10:08:03,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:08:03,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 898 [2020-10-12 10:08:03,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:03,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 32 [2020-10-12 10:08:03,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:08:03,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 159 [2020-10-12 10:08:03,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:04,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:08:04,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:04,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:04,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:04,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:08:04,690 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:04,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:04,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:04,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:08:04,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:04,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:08:04,691 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:04,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 10:08:04,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:04,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:04,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:04,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:04,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:04,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:04,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:04,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:04,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:04,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:04,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:04,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 10:08:04,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:04,697 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:04,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:04,698 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:04,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:04,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:04,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:04,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:04,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:04,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:04,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:04,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 10:08:04,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:04,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:04,702 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:04,702 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:04,702 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:04,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:04,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:04,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:04,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:04,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:04,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:04,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-12 10:08:04,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:04,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:04,708 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:04,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:04,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:04,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:04,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:04,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:04,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:04,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:04,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:04,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 10:08:04,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:04,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:04,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:04,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:04,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:04,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:04,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:04,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:04,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:04,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:04,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:04,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-12 10:08:04,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:04,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:04,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:04,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:04,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:04,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:04,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:04,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:04,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:04,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:04,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:04,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 10:08:04,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:04,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:04,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:04,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:04,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:04,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:04,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:04,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:04,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:04,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:04,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:04,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 10:08:04,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:04,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:04,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:04,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:04,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:04,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:04,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:04,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:04,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:04,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:04,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:04,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-12 10:08:04,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:04,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:04,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:04,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:04,729 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:04,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:04,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:04,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:04,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:04,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:04,730 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:04,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-12 10:08:04,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:04,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:04,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:04,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:04,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:04,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:04,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:04,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:04,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:04,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:04,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:04,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-12 10:08:04,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:04,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:04,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:04,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:04,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:04,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:04,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:04,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:04,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:04,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:04,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:04,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-12 10:08:04,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:04,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:04,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:04,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:04,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:04,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:04,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:04,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:04,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:04,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:04,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:04,769 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 24 proven. 496 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2020-10-12 10:08:04,769 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2054776089] [2020-10-12 10:08:04,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:08:04,770 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2020-10-12 10:08:04,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390997140] [2020-10-12 10:08:04,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 34 states [2020-10-12 10:08:04,771 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:08:04,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2020-10-12 10:08:04,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=1057, Unknown=0, NotChecked=0, Total=1122 [2020-10-12 10:08:04,772 INFO L87 Difference]: Start difference. First operand 143 states and 145 transitions. Second operand 34 states. [2020-10-12 10:08:07,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:08:07,254 INFO L93 Difference]: Finished difference Result 155 states and 157 transitions. [2020-10-12 10:08:07,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-10-12 10:08:07,255 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 139 [2020-10-12 10:08:07,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:08:07,258 INFO L225 Difference]: With dead ends: 155 [2020-10-12 10:08:07,258 INFO L226 Difference]: Without dead ends: 153 [2020-10-12 10:08:07,259 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=142, Invalid=2510, Unknown=0, NotChecked=0, Total=2652 [2020-10-12 10:08:07,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-10-12 10:08:07,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 151. [2020-10-12 10:08:07,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2020-10-12 10:08:07,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 153 transitions. [2020-10-12 10:08:07,273 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 153 transitions. Word has length 139 [2020-10-12 10:08:07,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:08:07,274 INFO L479 AbstractCegarLoop]: Abstraction has 151 states and 153 transitions. [2020-10-12 10:08:07,274 INFO L480 AbstractCegarLoop]: Interpolant automaton has 34 states. [2020-10-12 10:08:07,274 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 153 transitions. [2020-10-12 10:08:07,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2020-10-12 10:08:07,277 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:08:07,277 INFO L422 BasicCegarLoop]: trace histogram [15, 14, 14, 14, 14, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:08:07,279 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-10-12 10:08:07,279 INFO L427 AbstractCegarLoop]: === Iteration 28 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:08:07,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:08:07,280 INFO L82 PathProgramCache]: Analyzing trace with hash -61570670, now seen corresponding path program 26 times [2020-10-12 10:08:07,280 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:08:07,280 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1371176427] [2020-10-12 10:08:07,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:08:07,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:07,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:07,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:08,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:08,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-10-12 10:08:08,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:08:08,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 993 [2020-10-12 10:08:08,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:08,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-12 10:08:08,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:08:08,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 169 [2020-10-12 10:08:08,291 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:09,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:08:09,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:09,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:09,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:09,311 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:08:09,311 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:09,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:09,312 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:09,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:08:09,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:09,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:08:09,313 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:09,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-12 10:08:09,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:09,317 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:09,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:09,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:09,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:09,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:08:09,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:09,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:09,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:09,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:09,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:09,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 10:08:09,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:09,328 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:09,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:09,332 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:09,332 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:09,332 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 10:08:09,332 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:09,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:09,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:09,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:09,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:09,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 10:08:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:09,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:09,338 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:09,339 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:09,339 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:09,339 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:08:09,339 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:09,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:09,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:09,340 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:09,340 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:09,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-12 10:08:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:09,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:09,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:09,346 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:09,346 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:09,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:08:09,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:09,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:09,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:09,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:09,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:09,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 10:08:09,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:09,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:09,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:09,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:09,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:09,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:08:09,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:09,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:09,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:09,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:09,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:09,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-12 10:08:09,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:09,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:09,361 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:09,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:09,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:09,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:08:09,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:09,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:09,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:09,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:09,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:09,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 10:08:09,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:09,366 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:09,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:09,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:09,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:09,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:08:09,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:09,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:09,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:09,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:09,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:09,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 10:08:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:09,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:09,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:09,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:09,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:09,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:08:09,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:09,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:09,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:09,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:09,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:09,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-12 10:08:09,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:09,383 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:09,385 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:09,385 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:09,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:09,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:08:09,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:09,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:09,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:09,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:09,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:09,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-12 10:08:09,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:09,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:09,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:09,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:09,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:09,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:08:09,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:09,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:09,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:09,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:09,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:09,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-12 10:08:09,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:09,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:09,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:09,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:09,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:09,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:08:09,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:09,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:09,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:09,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:09,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:09,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-12 10:08:09,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:09,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:09,409 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:09,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:09,410 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:09,410 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:08:09,410 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:09,410 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:09,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:09,411 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:09,411 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:09,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-12 10:08:09,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:09,414 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:09,417 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:09,417 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:09,417 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:09,417 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:08:09,417 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:09,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:09,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:09,418 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:09,418 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:09,474 INFO L134 CoverageAnalysis]: Checked inductivity of 886 backedges. 338 proven. 236 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-10-12 10:08:09,475 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1371176427] [2020-10-12 10:08:09,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:08:09,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2020-10-12 10:08:09,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589586294] [2020-10-12 10:08:09,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 36 states [2020-10-12 10:08:09,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:08:09,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2020-10-12 10:08:09,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=254, Invalid=1006, Unknown=0, NotChecked=0, Total=1260 [2020-10-12 10:08:09,477 INFO L87 Difference]: Start difference. First operand 151 states and 153 transitions. Second operand 36 states. [2020-10-12 10:08:11,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:08:11,638 INFO L93 Difference]: Finished difference Result 216 states and 232 transitions. [2020-10-12 10:08:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-10-12 10:08:11,638 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 147 [2020-10-12 10:08:11,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:08:11,641 INFO L225 Difference]: With dead ends: 216 [2020-10-12 10:08:11,641 INFO L226 Difference]: Without dead ends: 153 [2020-10-12 10:08:11,643 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 979 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=773, Invalid=3649, Unknown=0, NotChecked=0, Total=4422 [2020-10-12 10:08:11,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2020-10-12 10:08:11,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2020-10-12 10:08:11,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2020-10-12 10:08:11,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 155 transitions. [2020-10-12 10:08:11,654 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 155 transitions. Word has length 147 [2020-10-12 10:08:11,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:08:11,655 INFO L479 AbstractCegarLoop]: Abstraction has 153 states and 155 transitions. [2020-10-12 10:08:11,655 INFO L480 AbstractCegarLoop]: Interpolant automaton has 36 states. [2020-10-12 10:08:11,655 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 155 transitions. [2020-10-12 10:08:11,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-10-12 10:08:11,656 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:08:11,656 INFO L422 BasicCegarLoop]: trace histogram [16, 15, 14, 14, 14, 13, 13, 13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:08:11,656 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-10-12 10:08:11,657 INFO L427 AbstractCegarLoop]: === Iteration 29 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:08:11,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:08:11,657 INFO L82 PathProgramCache]: Analyzing trace with hash -785844201, now seen corresponding path program 27 times [2020-10-12 10:08:11,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:08:11,657 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [779426159] [2020-10-12 10:08:11,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:08:11,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:11,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:11,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:12,607 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:12,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 183 [2020-10-12 10:08:12,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:08:12,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 944 [2020-10-12 10:08:12,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:12,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 34 [2020-10-12 10:08:12,608 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:08:12,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 171 [2020-10-12 10:08:12,609 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:13,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:08:13,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:13,533 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:13,535 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:13,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:08:13,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:13,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:08:13,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:13,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:08:13,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:13,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:08:13,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:13,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 10:08:13,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:13,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:13,540 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:13,540 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:13,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:13,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:13,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:13,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:13,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:13,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:13,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:13,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 10:08:13,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:13,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:13,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:13,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:13,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:13,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:13,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:13,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:13,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:13,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:13,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:13,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 10:08:13,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:13,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:13,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:13,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:13,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:13,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:13,549 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:13,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:13,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:13,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:13,550 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:13,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 10:08:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:13,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:13,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:13,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:13,552 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:13,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:13,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:13,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:13,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:13,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:13,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:13,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 10:08:13,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:13,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:13,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:13,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:13,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:13,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:13,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:13,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:13,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:13,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:13,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:13,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-12 10:08:13,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:13,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:13,560 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:13,560 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:13,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:13,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:13,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:13,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:13,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:13,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:13,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:13,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 10:08:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:13,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:13,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:13,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:13,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:13,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:13,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:13,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:13,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:13,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:13,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:13,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-12 10:08:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:13,567 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:13,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:13,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:13,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:13,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:13,568 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:13,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:13,568 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:13,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:13,569 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:13,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 10:08:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:13,570 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:13,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:13,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:13,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:13,572 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:13,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:13,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:13,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:13,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:13,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:13,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 10:08:13,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:13,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:13,576 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:13,576 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:13,576 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:13,576 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:13,576 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:13,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:13,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:13,577 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:13,577 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:13,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 10:08:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:13,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:13,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:13,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:13,580 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:13,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:13,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:13,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:13,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:13,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:13,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:13,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 10:08:13,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:13,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:13,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:13,585 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:13,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:13,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:13,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:13,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:13,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:13,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:13,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:13,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-12 10:08:13,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:13,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:13,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:13,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:13,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:13,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:13,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:13,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:13,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:13,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:13,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:13,632 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 26 proven. 576 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-10-12 10:08:13,632 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [779426159] [2020-10-12 10:08:13,632 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:08:13,633 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2020-10-12 10:08:13,633 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208776898] [2020-10-12 10:08:13,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 36 states [2020-10-12 10:08:13,633 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:08:13,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2020-10-12 10:08:13,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=1190, Unknown=0, NotChecked=0, Total=1260 [2020-10-12 10:08:13,634 INFO L87 Difference]: Start difference. First operand 153 states and 155 transitions. Second operand 36 states. [2020-10-12 10:08:16,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:08:16,317 INFO L93 Difference]: Finished difference Result 165 states and 167 transitions. [2020-10-12 10:08:16,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-10-12 10:08:16,318 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 149 [2020-10-12 10:08:16,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:08:16,320 INFO L225 Difference]: With dead ends: 165 [2020-10-12 10:08:16,320 INFO L226 Difference]: Without dead ends: 163 [2020-10-12 10:08:16,322 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 171 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=147, Invalid=2715, Unknown=0, NotChecked=0, Total=2862 [2020-10-12 10:08:16,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-10-12 10:08:16,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 161. [2020-10-12 10:08:16,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2020-10-12 10:08:16,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 163 transitions. [2020-10-12 10:08:16,334 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 163 transitions. Word has length 149 [2020-10-12 10:08:16,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:08:16,334 INFO L479 AbstractCegarLoop]: Abstraction has 161 states and 163 transitions. [2020-10-12 10:08:16,334 INFO L480 AbstractCegarLoop]: Interpolant automaton has 36 states. [2020-10-12 10:08:16,334 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 163 transitions. [2020-10-12 10:08:16,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2020-10-12 10:08:16,336 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:08:16,336 INFO L422 BasicCegarLoop]: trace histogram [16, 15, 15, 15, 15, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:08:16,337 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-10-12 10:08:16,337 INFO L427 AbstractCegarLoop]: === Iteration 30 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:08:16,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:08:16,337 INFO L82 PathProgramCache]: Analyzing trace with hash -1773403826, now seen corresponding path program 28 times [2020-10-12 10:08:16,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:08:16,337 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1590061805] [2020-10-12 10:08:16,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:08:16,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:16,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:16,406 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:17,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:17,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 193 [2020-10-12 10:08:17,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:08:17,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1123 [2020-10-12 10:08:17,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:17,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-10-12 10:08:17,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:08:17,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 181 [2020-10-12 10:08:17,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:18,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:08:18,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:18,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:18,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:18,491 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:08:18,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:18,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:18,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:18,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:08:18,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:18,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:08:18,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:18,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-12 10:08:18,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:18,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:18,495 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:18,495 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:18,495 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:18,495 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:18,496 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:18,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:18,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:18,496 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:18,496 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:18,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 10:08:18,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:18,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:18,500 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:18,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:18,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:18,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:18,500 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:18,500 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:18,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:18,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:18,501 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:18,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 10:08:18,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:18,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:18,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:18,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:18,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:18,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:18,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:18,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:18,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:18,505 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:18,505 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:18,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 10:08:18,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:18,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:18,509 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:18,509 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:18,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:18,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:18,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:18,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:18,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:18,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:18,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:18,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 10:08:18,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:18,513 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:18,515 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:18,516 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:18,516 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:18,516 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:08:18,516 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:18,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:18,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:18,517 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:18,517 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:18,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-12 10:08:18,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:18,520 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:18,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:18,522 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:18,522 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:18,523 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:08:18,523 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:18,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:18,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:18,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:18,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:18,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 10:08:18,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:18,526 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:18,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:18,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:18,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:18,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:18,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:18,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:18,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:18,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:18,528 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:18,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-12 10:08:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:18,532 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:18,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:18,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:18,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:18,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:08:18,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:18,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:18,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:18,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:18,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:18,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 10:08:18,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:18,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:18,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:18,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:18,540 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:18,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:08:18,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:18,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:18,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:18,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:18,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:18,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 10:08:18,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:18,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:18,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:18,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:18,559 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:18,559 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:08:18,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:18,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:18,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:18,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:18,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:18,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 10:08:18,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:18,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:18,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:18,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:18,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:18,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:08:18,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:18,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:18,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:18,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:18,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:18,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 10:08:18,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:18,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:18,570 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:18,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:18,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:18,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:08:18,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:18,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:18,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:18,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:18,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:18,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-12 10:08:18,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:18,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:18,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:18,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:18,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:18,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:08:18,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:18,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:18,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:18,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:18,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:18,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 10:08:18,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:18,583 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:18,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:18,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:18,584 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:18,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:08:18,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:18,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:18,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:18,585 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:18,585 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:18,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1024 backedges. 340 proven. 320 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2020-10-12 10:08:18,632 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1590061805] [2020-10-12 10:08:18,633 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:08:18,633 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2020-10-12 10:08:18,633 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193436688] [2020-10-12 10:08:18,633 INFO L459 AbstractCegarLoop]: Interpolant automaton has 38 states [2020-10-12 10:08:18,633 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:08:18,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2020-10-12 10:08:18,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=274, Invalid=1132, Unknown=0, NotChecked=0, Total=1406 [2020-10-12 10:08:18,634 INFO L87 Difference]: Start difference. First operand 161 states and 163 transitions. Second operand 38 states. [2020-10-12 10:08:20,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:08:20,533 INFO L93 Difference]: Finished difference Result 230 states and 247 transitions. [2020-10-12 10:08:20,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-10-12 10:08:20,534 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 157 [2020-10-12 10:08:20,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:08:20,536 INFO L225 Difference]: With dead ends: 230 [2020-10-12 10:08:20,536 INFO L226 Difference]: Without dead ends: 163 [2020-10-12 10:08:20,538 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1078 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=825, Invalid=4005, Unknown=0, NotChecked=0, Total=4830 [2020-10-12 10:08:20,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2020-10-12 10:08:20,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2020-10-12 10:08:20,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-10-12 10:08:20,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 165 transitions. [2020-10-12 10:08:20,557 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 165 transitions. Word has length 157 [2020-10-12 10:08:20,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:08:20,557 INFO L479 AbstractCegarLoop]: Abstraction has 163 states and 165 transitions. [2020-10-12 10:08:20,557 INFO L480 AbstractCegarLoop]: Interpolant automaton has 38 states. [2020-10-12 10:08:20,558 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 165 transitions. [2020-10-12 10:08:20,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-12 10:08:20,559 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:08:20,559 INFO L422 BasicCegarLoop]: trace histogram [17, 16, 15, 15, 15, 14, 14, 14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:08:20,559 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2020-10-12 10:08:20,559 INFO L427 AbstractCegarLoop]: === Iteration 31 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:08:20,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:08:20,560 INFO L82 PathProgramCache]: Analyzing trace with hash 928372115, now seen corresponding path program 29 times [2020-10-12 10:08:20,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:08:20,560 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1463598003] [2020-10-12 10:08:20,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:08:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:20,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:20,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:21,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:21,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 195 [2020-10-12 10:08:21,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:08:21,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1053 [2020-10-12 10:08:21,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:21,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 36 [2020-10-12 10:08:21,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:08:21,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 183 [2020-10-12 10:08:21,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:22,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:08:22,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:22,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:22,757 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:22,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:08:22,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:22,758 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:22,758 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:22,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:08:22,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:22,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:08:22,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:22,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 10:08:22,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:22,761 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:22,762 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:22,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:22,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:22,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:22,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:22,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:22,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:22,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:22,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:22,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 10:08:22,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:22,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:22,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:22,770 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:22,770 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:22,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:08:22,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:22,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:22,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:22,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:22,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:22,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 10:08:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:22,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:22,788 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:22,788 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:22,789 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:22,789 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:22,789 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:22,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:22,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:22,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:22,790 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:22,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 10:08:22,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:22,792 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:22,794 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:22,794 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:22,794 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:22,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:22,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:22,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:22,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:22,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:22,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:22,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 10:08:22,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:22,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:22,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:22,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:22,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:22,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:22,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:22,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:22,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:22,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:22,800 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:22,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-12 10:08:22,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:22,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:22,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:22,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:22,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:22,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:22,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:22,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:22,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:22,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:22,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:22,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 10:08:22,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:22,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:22,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:22,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:22,811 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:22,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:08:22,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:22,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:22,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:22,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:22,812 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:22,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 10:08:22,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:22,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:22,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:22,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:22,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:22,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:22,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:22,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:22,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:22,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:22,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:22,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 10:08:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:22,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:22,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:22,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:22,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:22,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:22,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:22,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:22,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:22,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:22,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:22,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 10:08:22,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:22,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:22,822 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:22,822 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:22,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:22,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:22,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:22,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:22,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:22,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:22,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:22,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 10:08:22,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:22,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:22,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:22,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:22,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:22,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:22,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:22,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:22,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:22,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:22,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:22,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 10:08:22,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:22,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:22,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:22,832 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:22,832 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:22,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:22,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:22,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:22,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:22,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:22,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:22,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 10:08:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:22,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:22,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:22,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:22,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:22,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:22,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:22,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:22,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:22,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:22,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:22,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-12 10:08:22,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:22,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:22,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:22,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:22,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:22,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:22,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:22,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:22,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:22,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:22,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:22,875 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 28 proven. 662 refuted. 0 times theorem prover too weak. 366 trivial. 0 not checked. [2020-10-12 10:08:22,876 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1463598003] [2020-10-12 10:08:22,876 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:08:22,876 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2020-10-12 10:08:22,876 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403274466] [2020-10-12 10:08:22,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 38 states [2020-10-12 10:08:22,877 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:08:22,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2020-10-12 10:08:22,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=1333, Unknown=0, NotChecked=0, Total=1406 [2020-10-12 10:08:22,878 INFO L87 Difference]: Start difference. First operand 163 states and 165 transitions. Second operand 38 states. [2020-10-12 10:08:25,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:08:25,980 INFO L93 Difference]: Finished difference Result 175 states and 177 transitions. [2020-10-12 10:08:25,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-10-12 10:08:25,981 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 159 [2020-10-12 10:08:25,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:08:25,983 INFO L225 Difference]: With dead ends: 175 [2020-10-12 10:08:25,984 INFO L226 Difference]: Without dead ends: 173 [2020-10-12 10:08:25,984 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=158, Invalid=3148, Unknown=0, NotChecked=0, Total=3306 [2020-10-12 10:08:25,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-10-12 10:08:25,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 171. [2020-10-12 10:08:25,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2020-10-12 10:08:25,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 173 transitions. [2020-10-12 10:08:25,996 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 173 transitions. Word has length 159 [2020-10-12 10:08:25,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:08:25,996 INFO L479 AbstractCegarLoop]: Abstraction has 171 states and 173 transitions. [2020-10-12 10:08:25,996 INFO L480 AbstractCegarLoop]: Interpolant automaton has 38 states. [2020-10-12 10:08:25,996 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 173 transitions. [2020-10-12 10:08:25,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-12 10:08:25,997 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:08:25,998 INFO L422 BasicCegarLoop]: trace histogram [17, 16, 16, 16, 16, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:08:25,998 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2020-10-12 10:08:25,998 INFO L427 AbstractCegarLoop]: === Iteration 32 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:08:25,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:08:25,999 INFO L82 PathProgramCache]: Analyzing trace with hash -177102134, now seen corresponding path program 30 times [2020-10-12 10:08:25,999 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:08:25,999 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [821353180] [2020-10-12 10:08:25,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:08:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:26,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:26,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:27,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:27,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 205 [2020-10-12 10:08:27,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:08:27,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1246 [2020-10-12 10:08:27,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:27,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-12 10:08:27,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:08:27,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 193 [2020-10-12 10:08:27,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:28,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:08:28,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:28,367 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:28,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:28,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:08:28,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:28,368 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:08:28,368 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:28,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:08:28,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:28,369 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:08:28,369 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:28,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-12 10:08:28,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:28,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:28,372 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:28,373 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:28,373 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:28,373 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:28,373 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:28,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:28,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:28,373 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:28,373 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:28,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 10:08:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:28,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:28,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:28,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:28,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:28,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:08:28,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:28,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:28,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:28,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:28,378 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:28,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 10:08:28,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:28,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:28,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:28,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:28,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:28,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:28,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:28,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:28,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:28,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:28,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:28,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 10:08:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:28,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:28,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:28,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:28,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:28,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:28,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:28,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:28,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:28,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:28,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:28,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 10:08:28,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:28,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:28,390 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:28,390 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:28,391 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:28,391 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:28,391 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:28,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:28,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:28,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:28,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:28,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-12 10:08:28,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:28,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:28,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:28,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:28,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:28,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:28,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:28,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:28,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:28,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:28,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:28,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 10:08:28,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:28,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:28,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:28,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:28,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:28,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:28,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:28,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:28,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:28,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:28,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:28,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 10:08:28,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:28,402 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:28,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:28,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:28,404 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:28,404 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:28,404 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:28,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:28,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:28,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:28,404 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:28,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 10:08:28,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:28,407 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:28,408 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:28,408 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:28,408 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:28,408 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:28,408 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:28,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:28,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:28,409 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:28,409 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:28,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 10:08:28,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:28,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:28,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:28,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:28,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:28,414 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:08:28,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:28,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:28,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:28,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:28,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:28,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 10:08:28,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:28,417 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:28,418 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:28,418 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:28,419 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:28,419 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:28,419 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:28,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:28,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:28,419 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:28,419 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:28,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 10:08:28,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:28,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:28,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:28,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:28,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:28,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:08:28,425 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:28,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:28,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:28,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:28,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:28,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 10:08:28,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:28,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:28,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:28,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:28,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:28,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:08:28,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:28,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:28,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:28,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:28,430 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:28,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-12 10:08:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:28,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:28,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:28,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:28,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:28,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:28,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:28,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:28,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:28,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:28,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:28,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 10:08:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:28,438 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:28,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:28,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:28,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:28,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:28,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:28,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:28,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:28,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:28,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:28,493 INFO L134 CoverageAnalysis]: Checked inductivity of 1172 backedges. 450 proven. 302 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2020-10-12 10:08:28,493 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [821353180] [2020-10-12 10:08:28,494 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:08:28,494 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2020-10-12 10:08:28,494 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978610308] [2020-10-12 10:08:28,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 40 states [2020-10-12 10:08:28,495 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:08:28,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2020-10-12 10:08:28,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=320, Invalid=1240, Unknown=0, NotChecked=0, Total=1560 [2020-10-12 10:08:28,495 INFO L87 Difference]: Start difference. First operand 171 states and 173 transitions. Second operand 40 states. [2020-10-12 10:08:31,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:08:31,110 INFO L93 Difference]: Finished difference Result 244 states and 262 transitions. [2020-10-12 10:08:31,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-10-12 10:08:31,111 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 167 [2020-10-12 10:08:31,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:08:31,113 INFO L225 Difference]: With dead ends: 244 [2020-10-12 10:08:31,113 INFO L226 Difference]: Without dead ends: 173 [2020-10-12 10:08:31,114 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1247 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=975, Invalid=4575, Unknown=0, NotChecked=0, Total=5550 [2020-10-12 10:08:31,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2020-10-12 10:08:31,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2020-10-12 10:08:31,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2020-10-12 10:08:31,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 175 transitions. [2020-10-12 10:08:31,125 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 175 transitions. Word has length 167 [2020-10-12 10:08:31,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:08:31,126 INFO L479 AbstractCegarLoop]: Abstraction has 173 states and 175 transitions. [2020-10-12 10:08:31,126 INFO L480 AbstractCegarLoop]: Interpolant automaton has 40 states. [2020-10-12 10:08:31,126 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 175 transitions. [2020-10-12 10:08:31,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2020-10-12 10:08:31,127 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:08:31,127 INFO L422 BasicCegarLoop]: trace histogram [18, 17, 16, 16, 16, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:08:31,128 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2020-10-12 10:08:31,128 INFO L427 AbstractCegarLoop]: === Iteration 33 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:08:31,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:08:31,128 INFO L82 PathProgramCache]: Analyzing trace with hash 619095247, now seen corresponding path program 31 times [2020-10-12 10:08:31,128 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:08:31,128 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [438664656] [2020-10-12 10:08:31,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:08:31,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:31,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:31,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:32,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:32,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 207 [2020-10-12 10:08:32,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:08:32,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1242 [2020-10-12 10:08:32,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:32,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 38 [2020-10-12 10:08:32,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:08:32,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 195 [2020-10-12 10:08:32,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:33,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:08:33,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:33,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:33,566 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:33,566 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:08:33,566 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:33,566 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:33,567 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:33,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:08:33,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:33,567 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:08:33,567 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:33,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 10:08:33,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:33,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:33,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:33,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:33,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:33,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:33,571 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:33,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:33,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:33,571 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:33,572 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:33,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 10:08:33,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:33,573 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:33,574 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:33,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:33,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:33,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:33,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:33,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:33,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:33,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:33,575 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:33,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 10:08:33,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:33,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:33,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:33,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:33,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:33,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:33,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:33,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:33,578 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:33,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:33,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:33,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 10:08:33,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:33,580 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:33,581 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:33,581 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:33,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:33,582 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:33,582 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:33,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:33,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:33,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:33,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:33,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 10:08:33,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:33,584 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:33,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:33,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:33,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:33,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:33,586 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:33,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:33,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:33,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:33,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:33,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 10:08:33,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:33,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:33,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:33,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:33,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:33,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:33,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:33,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:33,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:33,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:33,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:33,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 10:08:33,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:33,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:33,594 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:33,594 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:33,594 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:33,594 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:33,594 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:33,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:33,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:33,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:33,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:33,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 10:08:33,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:33,596 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:33,597 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:33,598 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:33,598 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:33,598 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:33,598 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:33,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:33,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:33,598 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:33,598 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:33,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 10:08:33,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:33,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:33,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:33,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:33,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:33,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:33,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:33,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:33,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:33,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:33,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:33,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 10:08:33,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:33,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:33,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:33,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:33,606 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:33,606 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:08:33,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:33,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:33,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:33,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:33,607 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:33,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-12 10:08:33,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:33,610 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:33,612 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:33,612 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:33,612 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:33,612 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:33,612 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:33,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:33,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:33,613 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:33,613 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:33,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-12 10:08:33,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:33,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:33,617 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:33,617 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:33,617 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:33,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:33,618 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:33,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:33,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:33,618 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:33,618 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:33,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-12 10:08:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:33,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:33,623 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:33,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:33,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:33,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:08:33,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:33,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:33,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:33,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:33,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:33,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 10:08:33,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:33,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:33,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:33,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:33,629 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:33,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:33,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:33,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:33,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:33,630 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:33,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:33,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-12 10:08:33,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:33,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:33,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:33,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:33,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:33,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:33,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:33,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:33,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:33,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:33,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:33,674 INFO L134 CoverageAnalysis]: Checked inductivity of 1206 backedges. 30 proven. 754 refuted. 0 times theorem prover too weak. 422 trivial. 0 not checked. [2020-10-12 10:08:33,674 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [438664656] [2020-10-12 10:08:33,675 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:08:33,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2020-10-12 10:08:33,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768173989] [2020-10-12 10:08:33,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 40 states [2020-10-12 10:08:33,675 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:08:33,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2020-10-12 10:08:33,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=1482, Unknown=0, NotChecked=0, Total=1560 [2020-10-12 10:08:33,676 INFO L87 Difference]: Start difference. First operand 173 states and 175 transitions. Second operand 40 states. [2020-10-12 10:08:36,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:08:36,895 INFO L93 Difference]: Finished difference Result 185 states and 187 transitions. [2020-10-12 10:08:36,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-10-12 10:08:36,896 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 169 [2020-10-12 10:08:36,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:08:36,898 INFO L225 Difference]: With dead ends: 185 [2020-10-12 10:08:36,898 INFO L226 Difference]: Without dead ends: 183 [2020-10-12 10:08:36,899 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 210 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=163, Invalid=3377, Unknown=0, NotChecked=0, Total=3540 [2020-10-12 10:08:36,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2020-10-12 10:08:36,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 181. [2020-10-12 10:08:36,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2020-10-12 10:08:36,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 183 transitions. [2020-10-12 10:08:36,917 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 183 transitions. Word has length 169 [2020-10-12 10:08:36,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:08:36,918 INFO L479 AbstractCegarLoop]: Abstraction has 181 states and 183 transitions. [2020-10-12 10:08:36,918 INFO L480 AbstractCegarLoop]: Interpolant automaton has 40 states. [2020-10-12 10:08:36,918 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 183 transitions. [2020-10-12 10:08:36,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-10-12 10:08:36,922 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:08:36,922 INFO L422 BasicCegarLoop]: trace histogram [18, 17, 17, 17, 17, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:08:36,922 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2020-10-12 10:08:36,922 INFO L427 AbstractCegarLoop]: === Iteration 34 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:08:36,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:08:36,923 INFO L82 PathProgramCache]: Analyzing trace with hash 1758295558, now seen corresponding path program 32 times [2020-10-12 10:08:36,923 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:08:36,923 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1821566624] [2020-10-12 10:08:36,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:08:36,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:36,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:36,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:38,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:38,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 217 [2020-10-12 10:08:38,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:08:38,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1418 [2020-10-12 10:08:38,348 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:38,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-10-12 10:08:38,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:08:38,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 205 [2020-10-12 10:08:38,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:39,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:08:39,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:39,598 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:39,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:39,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:08:39,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:39,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:08:39,599 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:39,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:08:39,599 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:39,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:08:39,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:39,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-12 10:08:39,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:39,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:39,604 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:39,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:39,605 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:39,605 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:08:39,605 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:39,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:39,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:39,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:39,606 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:39,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 10:08:39,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:39,608 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:39,610 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:39,611 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:39,611 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:39,611 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:08:39,611 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:39,611 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:39,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:39,612 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:39,612 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:39,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 10:08:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:39,616 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:39,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:39,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:39,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:39,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:08:39,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:39,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:39,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:39,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:39,619 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:39,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 10:08:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:39,622 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:39,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:39,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:39,624 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:39,624 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:08:39,624 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:39,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:39,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:39,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:39,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:39,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 10:08:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:39,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:39,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:39,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:39,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:39,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:39,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:39,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:39,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:39,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:39,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:39,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 10:08:39,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:39,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:39,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:39,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:39,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:39,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:39,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:39,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:39,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:39,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:39,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:39,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 10:08:39,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:39,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:39,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:39,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:39,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:39,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:39,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:39,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:39,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:39,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:39,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:39,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 10:08:39,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:39,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:39,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:39,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:39,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:39,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:39,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:39,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:39,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:39,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:39,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:39,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 10:08:39,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:39,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:39,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:39,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:39,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:39,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:39,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:39,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:39,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:39,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:39,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:39,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 10:08:39,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:39,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:39,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:39,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:39,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:39,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:39,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:39,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:39,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:39,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:39,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:39,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-12 10:08:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:39,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:39,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:39,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:39,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:39,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:39,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:39,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:39,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:39,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:39,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:39,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-12 10:08:39,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:39,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:39,660 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:39,660 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:39,660 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:39,660 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:39,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:39,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:39,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:39,661 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:39,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:39,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-12 10:08:39,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:39,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:39,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:39,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:39,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:39,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:39,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:39,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:39,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:39,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:39,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:39,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 10:08:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:39,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:39,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:39,671 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:39,671 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:39,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:08:39,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:39,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:39,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:39,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:39,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:39,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-12 10:08:39,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:39,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:39,677 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:39,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:39,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:39,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:08:39,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:39,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:39,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:39,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:39,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:39,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-12 10:08:39,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:39,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:39,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:39,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:39,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:39,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 10:08:39,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:39,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:39,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:39,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:39,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:39,754 INFO L134 CoverageAnalysis]: Checked inductivity of 1330 backedges. 512 proven. 338 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2020-10-12 10:08:39,754 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1821566624] [2020-10-12 10:08:39,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:08:39,754 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2020-10-12 10:08:39,754 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497439059] [2020-10-12 10:08:39,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 42 states [2020-10-12 10:08:39,755 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:08:39,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2020-10-12 10:08:39,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=356, Invalid=1366, Unknown=0, NotChecked=0, Total=1722 [2020-10-12 10:08:39,756 INFO L87 Difference]: Start difference. First operand 181 states and 183 transitions. Second operand 42 states. [2020-10-12 10:08:42,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:08:42,126 INFO L93 Difference]: Finished difference Result 258 states and 277 transitions. [2020-10-12 10:08:42,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2020-10-12 10:08:42,127 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 177 [2020-10-12 10:08:42,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:08:42,129 INFO L225 Difference]: With dead ends: 258 [2020-10-12 10:08:42,129 INFO L226 Difference]: Without dead ends: 183 [2020-10-12 10:08:42,131 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1393 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=1085, Invalid=5077, Unknown=0, NotChecked=0, Total=6162 [2020-10-12 10:08:42,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2020-10-12 10:08:42,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2020-10-12 10:08:42,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2020-10-12 10:08:42,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 185 transitions. [2020-10-12 10:08:42,143 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 185 transitions. Word has length 177 [2020-10-12 10:08:42,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:08:42,143 INFO L479 AbstractCegarLoop]: Abstraction has 183 states and 185 transitions. [2020-10-12 10:08:42,143 INFO L480 AbstractCegarLoop]: Interpolant automaton has 42 states. [2020-10-12 10:08:42,143 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 185 transitions. [2020-10-12 10:08:42,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-10-12 10:08:42,144 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:08:42,144 INFO L422 BasicCegarLoop]: trace histogram [19, 18, 17, 17, 17, 16, 16, 16, 16, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:08:42,144 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2020-10-12 10:08:42,144 INFO L427 AbstractCegarLoop]: === Iteration 35 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:08:42,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:08:42,145 INFO L82 PathProgramCache]: Analyzing trace with hash 1004500427, now seen corresponding path program 33 times [2020-10-12 10:08:42,145 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:08:42,145 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [989941058] [2020-10-12 10:08:42,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:08:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:42,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:42,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:43,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:43,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 219 [2020-10-12 10:08:43,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:08:43,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1587 [2020-10-12 10:08:43,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:43,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 40 [2020-10-12 10:08:43,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:08:43,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 207 [2020-10-12 10:08:43,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:45,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:08:45,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:45,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:45,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:45,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:08:45,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:45,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:08:45,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:45,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:08:45,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:45,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:08:45,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:45,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 10:08:45,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:45,149 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:45,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:45,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:45,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:45,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:45,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:45,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:45,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:45,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:45,151 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:45,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 10:08:45,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:45,153 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:45,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:45,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:45,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:45,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:45,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:45,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:45,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:45,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:45,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:45,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-12 10:08:45,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:45,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:45,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:45,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:45,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:45,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:45,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:45,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:45,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:45,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:45,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:45,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 10:08:45,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:45,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:45,161 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:45,162 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:45,162 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:45,162 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:45,162 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:45,162 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:45,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:45,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:45,163 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:45,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-12 10:08:45,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:45,165 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:45,166 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:45,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:45,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:45,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:45,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:45,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:45,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:45,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:45,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:45,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 10:08:45,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:45,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:45,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:45,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:45,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:45,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:45,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:45,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:45,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:45,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:45,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:45,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 10:08:45,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:45,172 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:45,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:45,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:45,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:45,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:45,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:45,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:45,174 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:45,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:45,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:45,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-12 10:08:45,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:45,177 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:45,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:45,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:45,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:45,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:45,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:45,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:45,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:45,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:45,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:45,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-12 10:08:45,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:45,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:45,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:45,184 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:45,184 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:45,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:45,185 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:45,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:45,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:45,185 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:45,185 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:45,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-12 10:08:45,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:45,188 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:45,189 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:45,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:45,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:45,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:45,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:45,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:45,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:45,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:45,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:45,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-12 10:08:45,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:45,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:45,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:45,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:45,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:45,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:45,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:45,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:45,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:45,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:45,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:45,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-12 10:08:45,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:45,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:45,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:45,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:45,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:45,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:45,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:45,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:45,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:45,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:45,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:45,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-12 10:08:45,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:45,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:45,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:45,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:45,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:45,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:45,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:45,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:45,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:45,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:45,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:45,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-12 10:08:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:45,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:45,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:45,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:45,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:45,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:45,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:45,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:45,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:45,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:45,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:45,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-12 10:08:45,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:45,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:45,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:45,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:45,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:45,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:45,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:45,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:45,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:45,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:45,209 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:45,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-12 10:08:45,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:45,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:45,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:45,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:45,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:45,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:45,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:45,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:45,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:45,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:45,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:45,254 INFO L134 CoverageAnalysis]: Checked inductivity of 1366 backedges. 32 proven. 852 refuted. 0 times theorem prover too weak. 482 trivial. 0 not checked. [2020-10-12 10:08:45,255 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [989941058] [2020-10-12 10:08:45,255 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:08:45,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2020-10-12 10:08:45,255 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157710609] [2020-10-12 10:08:45,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 42 states [2020-10-12 10:08:45,256 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:08:45,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2020-10-12 10:08:45,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=1641, Unknown=0, NotChecked=0, Total=1722 [2020-10-12 10:08:45,256 INFO L87 Difference]: Start difference. First operand 183 states and 185 transitions. Second operand 42 states. [2020-10-12 10:08:48,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:08:48,904 INFO L93 Difference]: Finished difference Result 195 states and 197 transitions. [2020-10-12 10:08:48,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-10-12 10:08:48,906 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 179 [2020-10-12 10:08:48,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:08:48,907 INFO L225 Difference]: With dead ends: 195 [2020-10-12 10:08:48,908 INFO L226 Difference]: Without dead ends: 193 [2020-10-12 10:08:48,908 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 228 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=174, Invalid=3858, Unknown=0, NotChecked=0, Total=4032 [2020-10-12 10:08:48,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2020-10-12 10:08:48,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 191. [2020-10-12 10:08:48,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2020-10-12 10:08:48,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 193 transitions. [2020-10-12 10:08:48,920 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 193 transitions. Word has length 179 [2020-10-12 10:08:48,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:08:48,921 INFO L479 AbstractCegarLoop]: Abstraction has 191 states and 193 transitions. [2020-10-12 10:08:48,921 INFO L480 AbstractCegarLoop]: Interpolant automaton has 42 states. [2020-10-12 10:08:48,921 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 193 transitions. [2020-10-12 10:08:48,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-10-12 10:08:48,922 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:08:48,922 INFO L422 BasicCegarLoop]: trace histogram [19, 18, 18, 18, 18, 17, 17, 17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:08:48,923 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2020-10-12 10:08:48,923 INFO L427 AbstractCegarLoop]: === Iteration 36 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:08:48,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:08:48,923 INFO L82 PathProgramCache]: Analyzing trace with hash -1789687038, now seen corresponding path program 34 times [2020-10-12 10:08:48,923 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:08:48,923 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [815609811] [2020-10-12 10:08:48,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:08:48,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:48,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:49,002 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:50,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:50,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 229 [2020-10-12 10:08:50,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:08:50,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1622 [2020-10-12 10:08:50,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:50,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 42 [2020-10-12 10:08:50,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:08:50,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 217 [2020-10-12 10:08:50,553 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:52,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:08:52,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:52,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:52,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:52,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:08:52,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:52,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:52,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:52,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:08:52,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:52,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:08:52,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:52,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 10:08:52,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:52,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:52,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:52,156 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:52,156 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:52,156 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:52,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:52,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:52,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:52,157 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:52,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:52,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 10:08:52,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:52,159 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:52,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:52,161 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:52,161 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:52,161 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:52,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:52,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:52,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:52,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:52,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:52,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-12 10:08:52,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:52,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:52,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:52,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:52,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:52,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:52,164 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:52,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:52,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:52,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:52,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:52,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 10:08:52,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:52,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:52,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:52,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:52,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:52,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:52,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:52,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:52,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:52,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:52,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:52,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-12 10:08:52,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:52,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:52,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:52,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:52,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:52,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:52,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:52,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:52,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:52,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:52,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:52,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 10:08:52,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:52,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:52,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:52,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:52,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:52,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:52,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:52,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:52,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:52,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:52,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:52,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 10:08:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:52,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:52,180 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:52,180 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:52,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:52,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:52,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:52,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:52,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:52,181 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:52,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:52,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-12 10:08:52,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:52,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:52,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:52,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:52,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:52,184 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:52,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:52,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:52,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:52,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:52,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:52,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-12 10:08:52,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:52,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:52,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:52,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:52,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:52,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:52,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:52,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:52,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:52,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:52,188 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:52,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-12 10:08:52,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:52,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:52,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:52,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:52,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:52,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:52,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:52,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:52,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:52,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:52,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:52,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-12 10:08:52,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:52,193 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:52,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:52,194 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:52,194 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:52,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:52,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:52,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:52,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:52,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:52,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:52,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-12 10:08:52,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:52,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:52,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:52,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:52,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:52,198 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:52,198 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:52,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:52,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:52,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:52,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:52,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-12 10:08:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:52,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:52,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:52,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:52,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:52,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:52,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:52,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:52,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:52,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:52,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:52,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-12 10:08:52,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:52,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:52,204 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:52,204 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:52,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:52,205 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:52,205 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:52,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:52,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:52,205 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:52,205 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:52,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-12 10:08:52,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:52,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:52,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:52,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:52,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:52,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:52,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:52,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:52,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:52,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:52,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:52,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-12 10:08:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:52,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:52,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:52,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:52,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:52,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:52,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:52,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:52,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:52,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:52,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:52,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-12 10:08:52,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:52,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:52,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:52,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:52,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:52,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:52,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:52,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:52,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:52,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:52,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:52,271 INFO L134 CoverageAnalysis]: Checked inductivity of 1498 backedges. 34 proven. 920 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2020-10-12 10:08:52,272 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [815609811] [2020-10-12 10:08:52,272 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:08:52,272 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2020-10-12 10:08:52,272 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141834714] [2020-10-12 10:08:52,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 44 states [2020-10-12 10:08:52,273 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:08:52,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2020-10-12 10:08:52,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1807, Unknown=0, NotChecked=0, Total=1892 [2020-10-12 10:08:52,273 INFO L87 Difference]: Start difference. First operand 191 states and 193 transitions. Second operand 44 states. [2020-10-12 10:08:56,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:08:56,323 INFO L93 Difference]: Finished difference Result 203 states and 205 transitions. [2020-10-12 10:08:56,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-10-12 10:08:56,324 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 187 [2020-10-12 10:08:56,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:08:56,327 INFO L225 Difference]: With dead ends: 203 [2020-10-12 10:08:56,327 INFO L226 Difference]: Without dead ends: 201 [2020-10-12 10:08:56,328 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=182, Invalid=4240, Unknown=0, NotChecked=0, Total=4422 [2020-10-12 10:08:56,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2020-10-12 10:08:56,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 199. [2020-10-12 10:08:56,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2020-10-12 10:08:56,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 201 transitions. [2020-10-12 10:08:56,341 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 201 transitions. Word has length 187 [2020-10-12 10:08:56,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:08:56,342 INFO L479 AbstractCegarLoop]: Abstraction has 199 states and 201 transitions. [2020-10-12 10:08:56,342 INFO L480 AbstractCegarLoop]: Interpolant automaton has 44 states. [2020-10-12 10:08:56,342 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 201 transitions. [2020-10-12 10:08:56,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2020-10-12 10:08:56,343 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:08:56,343 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 19, 19, 18, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:08:56,343 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2020-10-12 10:08:56,343 INFO L427 AbstractCegarLoop]: === Iteration 37 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:08:56,343 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:08:56,343 INFO L82 PathProgramCache]: Analyzing trace with hash -1298761415, now seen corresponding path program 35 times [2020-10-12 10:08:56,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:08:56,344 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1390103225] [2020-10-12 10:08:56,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:08:56,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:56,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:56,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:57,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:57,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-10-12 10:08:57,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:08:57,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1477 [2020-10-12 10:08:57,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:57,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 39 [2020-10-12 10:08:57,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:08:57,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 222 [2020-10-12 10:08:57,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:58,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:08:58,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:58,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:58,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:58,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:08:58,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:58,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:58,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:58,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:08:58,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:58,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:08:58,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:58,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-12 10:08:58,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:58,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:58,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:58,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:58,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:58,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:58,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:58,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:58,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:58,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:58,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:58,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 10:08:58,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:58,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:58,688 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:58,688 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:58,688 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:58,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:58,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:58,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:58,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:58,689 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:58,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:58,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-12 10:08:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:58,692 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:58,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:58,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:58,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:58,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:58,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:58,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:58,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:58,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:58,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:58,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 10:08:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:58,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:58,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:58,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:58,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:58,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:58,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:58,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:58,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:58,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:58,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:58,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-12 10:08:58,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:58,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:58,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:58,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:58,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:58,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:58,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:58,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:58,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:58,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:58,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:58,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 10:08:58,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:58,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:58,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:58,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:58,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:58,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:58,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:58,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:58,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:58,703 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:58,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:58,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 10:08:58,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:58,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:58,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:58,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:58,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:58,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:58,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:58,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:58,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:58,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:58,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:58,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-12 10:08:58,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:58,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:58,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:58,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:58,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:58,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:58,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:58,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:58,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:58,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:58,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:58,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-12 10:08:58,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:58,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:58,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:58,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:58,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:58,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:58,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:58,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:58,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:58,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:58,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:58,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-12 10:08:58,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:58,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:58,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:58,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:58,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:58,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:58,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:58,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:58,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:58,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:58,717 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:58,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-12 10:08:58,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:58,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:58,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:58,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:58,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:58,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:58,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:58,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:58,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:58,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:58,720 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:58,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-12 10:08:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:58,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:58,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:58,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:58,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:58,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:58,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:58,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:58,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:58,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:58,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:58,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-12 10:08:58,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:58,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:58,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:58,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:58,727 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:58,727 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:58,727 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:58,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:58,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:58,727 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:58,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:58,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-12 10:08:58,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:58,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:58,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:58,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:58,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:58,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:58,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:58,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:58,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:58,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:58,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:58,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-12 10:08:58,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:58,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:58,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:58,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:58,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:58,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:58,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:58,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:58,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:58,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:58,734 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:58,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-12 10:08:58,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:58,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:58,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:58,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:58,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:58,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:58,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:58,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:58,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:58,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:58,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:58,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-12 10:08:58,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:58,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:58,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:58,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:58,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:58,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:58,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:58,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:58,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:58,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:58,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:58,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-10-12 10:08:58,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:08:58,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:08:58,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:08:58,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:08:58,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:08:58,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:08:58,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:08:58,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:08:58,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:08:58,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:08:58,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:08:58,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1638 backedges. 615 proven. 411 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2020-10-12 10:08:58,792 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1390103225] [2020-10-12 10:08:58,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:08:58,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2020-10-12 10:08:58,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935652954] [2020-10-12 10:08:58,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 41 states [2020-10-12 10:08:58,794 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:08:58,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2020-10-12 10:08:58,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=404, Invalid=1236, Unknown=0, NotChecked=0, Total=1640 [2020-10-12 10:08:58,795 INFO L87 Difference]: Start difference. First operand 199 states and 201 transitions. Second operand 41 states. [2020-10-12 10:09:00,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:09:00,014 INFO L93 Difference]: Finished difference Result 285 states and 306 transitions. [2020-10-12 10:09:00,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-10-12 10:09:00,015 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 195 [2020-10-12 10:09:00,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:09:00,017 INFO L225 Difference]: With dead ends: 285 [2020-10-12 10:09:00,017 INFO L226 Difference]: Without dead ends: 201 [2020-10-12 10:09:00,018 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 532 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=782, Invalid=2640, Unknown=0, NotChecked=0, Total=3422 [2020-10-12 10:09:00,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2020-10-12 10:09:00,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2020-10-12 10:09:00,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2020-10-12 10:09:00,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 203 transitions. [2020-10-12 10:09:00,033 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 203 transitions. Word has length 195 [2020-10-12 10:09:00,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:09:00,034 INFO L479 AbstractCegarLoop]: Abstraction has 201 states and 203 transitions. [2020-10-12 10:09:00,034 INFO L480 AbstractCegarLoop]: Interpolant automaton has 41 states. [2020-10-12 10:09:00,034 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 203 transitions. [2020-10-12 10:09:00,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2020-10-12 10:09:00,035 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:09:00,035 INFO L422 BasicCegarLoop]: trace histogram [20, 19, 19, 19, 19, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:09:00,036 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2020-10-12 10:09:00,036 INFO L427 AbstractCegarLoop]: === Iteration 38 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:09:00,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:09:00,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1055125950, now seen corresponding path program 36 times [2020-10-12 10:09:00,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:09:00,036 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1609287145] [2020-10-12 10:09:00,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:09:00,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:00,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:00,164 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:02,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:02,223 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 241 [2020-10-12 10:09:02,223 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:09:02,223 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2179 [2020-10-12 10:09:02,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:02,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-10-12 10:09:02,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:09:02,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 229 [2020-10-12 10:09:02,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:03,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:09:03,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:03,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:03,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:03,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:09:03,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:03,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:03,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:03,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:09:03,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:03,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:09:03,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:03,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-12 10:09:03,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:03,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:03,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:03,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:03,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:03,743 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:03,743 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:03,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:03,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:03,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:03,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:03,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 10:09:03,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:03,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:03,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:03,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:03,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:03,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:03,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:03,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:03,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:03,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:03,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:03,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 10:09:03,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:03,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:03,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:03,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:03,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:03,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:03,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:03,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:03,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:03,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:03,752 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:03,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 10:09:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:03,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:03,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:03,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:03,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:03,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:03,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:03,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:03,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:03,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:03,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:03,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-12 10:09:03,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:03,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:03,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:03,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:03,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:03,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:03,760 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:03,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:03,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:03,760 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:03,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:03,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 10:09:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:03,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:03,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:03,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:03,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:03,764 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:09:03,764 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:03,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:03,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:03,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:03,765 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:03,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-12 10:09:03,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:03,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:03,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:03,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:03,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:03,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:03,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:03,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:03,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:03,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:03,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:03,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 10:09:03,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:03,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:03,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:03,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:03,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:03,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:03,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:03,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:03,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:03,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:03,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:03,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 10:09:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:03,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:03,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:03,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:03,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:03,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:03,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:03,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:03,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:03,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:03,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:03,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 10:09:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:03,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:03,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:03,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:03,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:03,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:03,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:03,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:03,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:03,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:03,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:03,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 10:09:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:03,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:03,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:03,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:03,785 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:03,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:03,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:03,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:03,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:03,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:03,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:03,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-12 10:09:03,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:03,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:03,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:03,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:03,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:03,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:09:03,792 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:03,792 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:03,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:03,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:03,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:03,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 10:09:03,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:03,796 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:03,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:03,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:03,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:03,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:09:03,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:03,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:03,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:03,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:03,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:03,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-12 10:09:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:03,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:03,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:03,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:03,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:03,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:09:03,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:03,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:03,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:03,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:03,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:03,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-12 10:09:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:03,808 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:03,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:03,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:03,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:03,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:03,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:03,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:03,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:03,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:03,810 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:03,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-12 10:09:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:03,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:03,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:03,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:03,814 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:03,814 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:03,814 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:03,814 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:03,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:03,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:03,815 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:03,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-12 10:09:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:03,817 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:03,818 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:03,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:03,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:03,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:03,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:03,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:03,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:03,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:03,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:03,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 10:09:03,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:03,821 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:03,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:03,823 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:03,823 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:03,823 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:03,823 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:03,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:03,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:03,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:03,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:03,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1676 backedges. 580 proven. 484 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2020-10-12 10:09:03,897 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1609287145] [2020-10-12 10:09:03,897 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:09:03,897 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2020-10-12 10:09:03,897 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720954529] [2020-10-12 10:09:03,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 46 states [2020-10-12 10:09:03,898 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:09:03,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2020-10-12 10:09:03,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=418, Invalid=1652, Unknown=0, NotChecked=0, Total=2070 [2020-10-12 10:09:03,899 INFO L87 Difference]: Start difference. First operand 201 states and 203 transitions. Second operand 46 states. [2020-10-12 10:09:07,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:09:07,389 INFO L93 Difference]: Finished difference Result 286 states and 307 transitions. [2020-10-12 10:09:07,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2020-10-12 10:09:07,390 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 197 [2020-10-12 10:09:07,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:09:07,393 INFO L225 Difference]: With dead ends: 286 [2020-10-12 10:09:07,393 INFO L226 Difference]: Without dead ends: 203 [2020-10-12 10:09:07,395 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1670 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=1265, Invalid=6045, Unknown=0, NotChecked=0, Total=7310 [2020-10-12 10:09:07,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2020-10-12 10:09:07,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2020-10-12 10:09:07,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-10-12 10:09:07,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 205 transitions. [2020-10-12 10:09:07,411 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 205 transitions. Word has length 197 [2020-10-12 10:09:07,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:09:07,411 INFO L479 AbstractCegarLoop]: Abstraction has 203 states and 205 transitions. [2020-10-12 10:09:07,411 INFO L480 AbstractCegarLoop]: Interpolant automaton has 46 states. [2020-10-12 10:09:07,411 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 205 transitions. [2020-10-12 10:09:07,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-10-12 10:09:07,412 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:09:07,413 INFO L422 BasicCegarLoop]: trace histogram [21, 20, 19, 19, 19, 18, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:09:07,413 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2020-10-12 10:09:07,413 INFO L427 AbstractCegarLoop]: === Iteration 39 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:09:07,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:09:07,413 INFO L82 PathProgramCache]: Analyzing trace with hash -306881277, now seen corresponding path program 37 times [2020-10-12 10:09:07,414 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:09:07,414 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [701536405] [2020-10-12 10:09:07,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:09:07,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:07,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:07,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:10,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:10,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 243 [2020-10-12 10:09:10,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:09:10,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2873 [2020-10-12 10:09:10,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:10,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 44 [2020-10-12 10:09:10,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:09:10,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 231 [2020-10-12 10:09:10,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:12,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:09:12,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:12,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:12,103 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:12,103 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:09:12,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:12,104 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:12,104 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:12,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:09:12,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:12,104 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:09:12,105 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:12,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 10:09:12,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:12,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:12,108 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:12,108 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:12,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:12,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:12,109 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:12,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:12,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:12,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:12,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:12,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 10:09:12,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:12,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:12,112 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:12,112 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:12,112 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:12,112 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:12,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:12,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:12,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:12,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:12,113 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:12,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 10:09:12,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:12,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:12,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:12,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:12,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:12,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:12,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:12,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:12,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:12,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:12,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:12,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 10:09:12,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:12,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:12,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:12,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:12,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:12,119 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:12,119 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:12,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:12,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:12,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:12,120 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:12,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-12 10:09:12,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:12,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:12,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:12,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:12,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:12,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:12,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:12,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:12,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:12,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:12,124 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:12,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 10:09:12,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:12,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:12,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:12,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:12,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:12,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:12,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:12,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:12,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:12,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:12,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:12,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 10:09:12,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:12,129 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:12,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:12,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:12,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:12,130 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:12,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:12,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:12,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:12,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:12,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:12,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 10:09:12,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:12,132 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:12,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:12,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:12,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:12,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:12,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:12,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:12,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:12,134 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:12,134 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:12,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 10:09:12,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:12,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:12,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:12,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:12,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:12,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:12,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:12,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:12,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:12,137 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:12,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:12,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 10:09:12,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:12,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:12,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:12,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:12,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:12,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:12,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:12,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:12,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:12,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:12,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:12,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 10:09:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:12,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:12,143 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:12,143 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:12,144 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:12,144 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:12,144 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:12,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:12,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:12,144 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:12,144 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:12,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 10:09:12,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:12,146 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:12,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:12,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:12,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:12,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:12,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:12,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:12,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:12,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:12,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:12,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-12 10:09:12,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:12,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:12,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:12,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:12,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:12,152 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:12,152 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:12,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:12,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:12,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:12,153 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:12,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 10:09:12,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:12,155 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:12,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:12,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:12,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:12,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:12,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:12,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:12,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:12,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:12,158 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:12,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-12 10:09:12,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:12,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:12,162 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:12,163 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:12,163 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:12,163 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:12,163 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:12,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:12,163 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:12,164 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:12,164 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:12,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-12 10:09:12,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:12,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:12,168 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:12,168 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:12,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:12,169 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:12,169 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:12,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:12,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:12,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:12,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:12,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-12 10:09:12,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:12,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:12,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:12,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:12,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:12,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:09:12,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:12,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:12,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:12,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:12,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:12,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-12 10:09:12,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:12,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:12,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:12,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:12,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:12,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:09:12,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:12,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:12,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:12,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:12,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:12,258 INFO L134 CoverageAnalysis]: Checked inductivity of 1716 backedges. 36 proven. 1066 refuted. 0 times theorem prover too weak. 614 trivial. 0 not checked. [2020-10-12 10:09:12,258 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [701536405] [2020-10-12 10:09:12,258 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:09:12,258 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2020-10-12 10:09:12,258 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766230725] [2020-10-12 10:09:12,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 46 states [2020-10-12 10:09:12,259 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:09:12,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2020-10-12 10:09:12,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1981, Unknown=0, NotChecked=0, Total=2070 [2020-10-12 10:09:12,260 INFO L87 Difference]: Start difference. First operand 203 states and 205 transitions. Second operand 46 states. [2020-10-12 10:09:16,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:09:16,626 INFO L93 Difference]: Finished difference Result 215 states and 217 transitions. [2020-10-12 10:09:16,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2020-10-12 10:09:16,627 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 199 [2020-10-12 10:09:16,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:09:16,630 INFO L225 Difference]: With dead ends: 215 [2020-10-12 10:09:16,630 INFO L226 Difference]: Without dead ends: 213 [2020-10-12 10:09:16,631 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 251 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=185, Invalid=4507, Unknown=0, NotChecked=0, Total=4692 [2020-10-12 10:09:16,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2020-10-12 10:09:16,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 211. [2020-10-12 10:09:16,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-10-12 10:09:16,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 213 transitions. [2020-10-12 10:09:16,645 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 213 transitions. Word has length 199 [2020-10-12 10:09:16,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:09:16,646 INFO L479 AbstractCegarLoop]: Abstraction has 211 states and 213 transitions. [2020-10-12 10:09:16,646 INFO L480 AbstractCegarLoop]: Interpolant automaton has 46 states. [2020-10-12 10:09:16,646 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 213 transitions. [2020-10-12 10:09:16,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2020-10-12 10:09:16,647 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:09:16,647 INFO L422 BasicCegarLoop]: trace histogram [21, 20, 20, 20, 20, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:09:16,648 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2020-10-12 10:09:16,648 INFO L427 AbstractCegarLoop]: === Iteration 40 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:09:16,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:09:16,648 INFO L82 PathProgramCache]: Analyzing trace with hash -783631814, now seen corresponding path program 38 times [2020-10-12 10:09:16,648 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:09:16,648 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [929422623] [2020-10-12 10:09:16,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:09:16,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:16,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:16,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:18,980 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:18,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 253 [2020-10-12 10:09:18,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:09:18,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2325 [2020-10-12 10:09:18,981 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:18,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-12 10:09:18,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:09:18,981 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 241 [2020-10-12 10:09:18,982 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:20,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:09:20,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:20,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:20,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:20,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:09:20,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:20,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-12 10:09:20,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:20,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:09:20,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:20,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:09:20,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:20,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-12 10:09:20,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:20,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:20,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:20,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:20,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:20,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:20,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:20,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:20,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:20,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:20,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:20,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 10:09:20,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:20,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:20,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:20,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:20,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:20,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:20,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:20,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:20,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:20,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:20,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:20,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 10:09:20,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:20,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:20,726 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:20,726 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:20,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:20,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:20,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:20,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:20,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:20,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:20,727 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:20,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 10:09:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:20,729 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:20,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:20,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:20,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:20,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:20,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:20,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:20,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:20,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:20,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:20,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-12 10:09:20,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:20,733 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:20,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:20,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:20,735 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:20,735 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:20,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:20,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:20,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:20,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:20,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:20,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 10:09:20,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:20,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:20,738 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:20,739 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:20,739 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:20,739 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:20,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:20,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:20,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:20,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:20,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:20,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 10:09:20,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:20,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:20,743 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:20,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:20,743 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:20,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:09:20,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:20,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:20,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:20,744 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:20,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:20,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 10:09:20,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:20,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:20,749 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:20,750 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:20,750 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:20,750 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:09:20,750 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:20,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:20,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:20,750 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:20,750 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:20,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 10:09:20,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:20,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:20,754 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:20,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:20,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:20,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:20,755 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:20,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:20,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:20,755 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:20,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:20,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 10:09:20,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:20,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:20,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:20,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:20,759 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:20,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:20,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:20,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:20,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:20,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:20,760 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:20,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 10:09:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:20,762 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:20,763 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:20,763 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:20,763 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:20,763 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:20,763 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:20,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:20,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:20,764 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:20,764 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:20,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 10:09:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:20,766 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:20,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:20,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:20,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:20,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:09:20,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:20,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:20,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:20,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:20,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:20,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-12 10:09:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:20,771 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:20,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:20,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:20,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:20,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:20,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:20,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:20,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:20,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:20,773 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:20,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 10:09:20,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:20,776 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:20,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:20,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:20,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:20,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:20,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:20,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:20,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:20,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:20,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:20,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-12 10:09:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:20,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:20,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:20,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:20,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:20,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:20,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:20,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:20,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:20,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:20,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:20,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-12 10:09:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:20,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:20,786 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:20,786 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:20,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:20,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:20,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:20,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:20,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:20,787 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:20,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:20,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-12 10:09:20,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:20,789 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:20,790 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:20,791 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:20,791 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:20,791 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:20,791 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:20,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:20,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:20,791 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:20,791 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:20,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-12 10:09:20,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:20,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:20,795 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:20,795 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:20,795 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:20,795 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:20,796 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:20,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:20,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:20,796 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:20,796 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:20,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-12 10:09:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:20,798 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:20,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:20,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:20,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:20,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:20,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:20,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:20,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:20,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:20,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:20,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1864 backedges. 722 proven. 458 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2020-10-12 10:09:20,882 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [929422623] [2020-10-12 10:09:20,882 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:09:20,882 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2020-10-12 10:09:20,882 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530047540] [2020-10-12 10:09:20,883 INFO L459 AbstractCegarLoop]: Interpolant automaton has 48 states [2020-10-12 10:09:20,883 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:09:20,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2020-10-12 10:09:20,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=476, Invalid=1780, Unknown=0, NotChecked=0, Total=2256 [2020-10-12 10:09:20,884 INFO L87 Difference]: Start difference. First operand 211 states and 213 transitions. Second operand 48 states. [2020-10-12 10:09:24,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:09:24,725 INFO L93 Difference]: Finished difference Result 300 states and 322 transitions. [2020-10-12 10:09:24,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2020-10-12 10:09:24,726 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 207 [2020-10-12 10:09:24,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:09:24,729 INFO L225 Difference]: With dead ends: 300 [2020-10-12 10:09:24,729 INFO L226 Difference]: Without dead ends: 213 [2020-10-12 10:09:24,730 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1879 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=1451, Invalid=6739, Unknown=0, NotChecked=0, Total=8190 [2020-10-12 10:09:24,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2020-10-12 10:09:24,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2020-10-12 10:09:24,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2020-10-12 10:09:24,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 215 transitions. [2020-10-12 10:09:24,746 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 215 transitions. Word has length 207 [2020-10-12 10:09:24,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:09:24,747 INFO L479 AbstractCegarLoop]: Abstraction has 213 states and 215 transitions. [2020-10-12 10:09:24,747 INFO L480 AbstractCegarLoop]: Interpolant automaton has 48 states. [2020-10-12 10:09:24,747 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 215 transitions. [2020-10-12 10:09:24,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2020-10-12 10:09:24,748 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:09:24,748 INFO L422 BasicCegarLoop]: trace histogram [22, 21, 20, 20, 20, 19, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:09:24,749 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2020-10-12 10:09:24,749 INFO L427 AbstractCegarLoop]: === Iteration 41 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:09:24,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:09:24,749 INFO L82 PathProgramCache]: Analyzing trace with hash -1489595585, now seen corresponding path program 39 times [2020-10-12 10:09:24,749 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:09:24,749 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [243167587] [2020-10-12 10:09:24,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:09:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:24,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:24,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:26,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:26,978 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 255 [2020-10-12 10:09:26,978 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:09:26,978 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2222 [2020-10-12 10:09:26,978 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:26,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 46 [2020-10-12 10:09:26,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:09:26,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 243 [2020-10-12 10:09:26,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:28,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:09:28,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:28,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:28,958 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:28,958 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:09:28,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:28,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:28,959 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:28,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:09:28,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:28,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:09:28,959 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:28,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 10:09:28,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:28,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:28,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:28,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:28,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:28,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:28,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:28,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:28,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:28,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:28,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:28,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 10:09:28,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:28,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:28,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:28,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:28,965 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:28,965 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:28,965 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:28,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:28,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:28,966 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:28,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:28,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 10:09:28,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:28,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:28,969 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:28,969 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:28,970 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:28,970 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:28,970 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:28,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:28,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:28,970 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:28,971 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:28,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 10:09:28,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:28,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:28,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:28,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:28,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:28,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:28,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:28,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:28,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:28,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:28,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:28,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 10:09:28,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:28,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:28,979 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:28,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:28,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:28,980 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:28,980 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:28,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:28,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:28,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:28,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:28,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 10:09:28,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:28,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:28,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:28,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:28,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:28,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:28,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:28,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:28,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:28,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:28,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:28,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 10:09:28,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:28,987 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:28,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:28,989 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:28,989 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:28,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:28,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:28,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:28,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:28,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:28,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:28,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 10:09:28,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:28,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:28,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:28,994 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:28,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:28,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:28,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:28,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:28,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:28,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:28,994 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:28,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 10:09:28,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:28,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:28,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:28,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:28,997 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:28,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:28,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:28,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:28,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:28,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:28,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:28,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-12 10:09:28,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:29,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:29,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:29,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:29,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:29,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:29,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:29,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:29,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:29,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:29,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:29,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-12 10:09:29,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:29,003 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:29,004 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:29,004 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:29,004 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:29,004 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:29,004 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:29,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:29,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:29,005 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:29,005 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:29,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-12 10:09:29,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:29,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:29,007 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:29,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:29,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:29,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:29,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:29,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:29,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:29,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:29,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:29,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 10:09:29,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:29,010 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:29,011 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:29,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:29,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:29,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:29,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:29,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:29,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:29,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:29,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:29,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-12 10:09:29,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:29,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:29,015 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:29,015 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:29,015 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:29,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:29,016 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:29,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:29,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:29,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:29,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:29,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-12 10:09:29,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:29,019 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:29,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:29,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:29,020 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:29,020 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:29,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:29,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:29,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:29,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:29,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:29,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-12 10:09:29,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:29,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:29,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:29,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:29,026 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:29,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:29,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:29,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:29,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:29,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:29,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:29,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-12 10:09:29,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:29,030 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:29,031 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:29,031 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:29,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:29,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:29,032 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:29,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:29,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:29,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:29,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:29,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-12 10:09:29,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:29,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:29,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:29,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:29,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:29,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:29,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:29,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:29,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:29,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:29,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:29,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-12 10:09:29,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:29,041 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:29,042 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:29,042 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:29,042 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:29,043 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:29,043 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:29,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:29,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:29,043 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:29,044 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:29,126 INFO L134 CoverageAnalysis]: Checked inductivity of 1906 backedges. 38 proven. 1182 refuted. 0 times theorem prover too weak. 686 trivial. 0 not checked. [2020-10-12 10:09:29,127 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [243167587] [2020-10-12 10:09:29,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:09:29,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2020-10-12 10:09:29,127 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778144113] [2020-10-12 10:09:29,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 48 states [2020-10-12 10:09:29,128 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:09:29,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2020-10-12 10:09:29,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=2163, Unknown=0, NotChecked=0, Total=2256 [2020-10-12 10:09:29,129 INFO L87 Difference]: Start difference. First operand 213 states and 215 transitions. Second operand 48 states. [2020-10-12 10:09:34,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:09:34,183 INFO L93 Difference]: Finished difference Result 225 states and 227 transitions. [2020-10-12 10:09:34,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-10-12 10:09:34,185 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 209 [2020-10-12 10:09:34,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:09:34,186 INFO L225 Difference]: With dead ends: 225 [2020-10-12 10:09:34,186 INFO L226 Difference]: Without dead ends: 223 [2020-10-12 10:09:34,187 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=198, Invalid=5058, Unknown=0, NotChecked=0, Total=5256 [2020-10-12 10:09:34,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2020-10-12 10:09:34,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 221. [2020-10-12 10:09:34,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2020-10-12 10:09:34,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 223 transitions. [2020-10-12 10:09:34,201 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 223 transitions. Word has length 209 [2020-10-12 10:09:34,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:09:34,202 INFO L479 AbstractCegarLoop]: Abstraction has 221 states and 223 transitions. [2020-10-12 10:09:34,202 INFO L480 AbstractCegarLoop]: Interpolant automaton has 48 states. [2020-10-12 10:09:34,202 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 223 transitions. [2020-10-12 10:09:34,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-10-12 10:09:34,203 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:09:34,203 INFO L422 BasicCegarLoop]: trace histogram [22, 21, 21, 21, 21, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:09:34,203 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2020-10-12 10:09:34,204 INFO L427 AbstractCegarLoop]: === Iteration 42 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:09:34,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:09:34,204 INFO L82 PathProgramCache]: Analyzing trace with hash -1455426442, now seen corresponding path program 40 times [2020-10-12 10:09:34,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:09:34,204 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [307051235] [2020-10-12 10:09:34,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:09:34,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:34,213 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:34,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:36,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:36,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 265 [2020-10-12 10:09:36,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:09:36,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2533 [2020-10-12 10:09:36,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:36,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 48 [2020-10-12 10:09:36,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:09:36,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 253 [2020-10-12 10:09:36,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:38,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:09:38,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:38,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:38,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:38,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:09:38,677 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:38,677 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:38,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:38,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:09:38,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:38,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:09:38,678 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:38,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-12 10:09:38,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:38,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:38,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:38,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:38,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:38,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:09:38,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:38,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:38,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:38,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:38,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:38,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 10:09:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:38,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:38,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:38,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:38,687 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:38,687 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:09:38,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:38,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:38,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:38,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:38,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:38,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 10:09:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:38,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:38,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:38,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:38,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:38,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:38,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:38,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:38,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:38,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:38,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:38,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 10:09:38,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:38,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:38,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:38,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:38,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:38,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:38,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:38,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:38,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:38,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:38,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:38,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 10:09:38,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:38,698 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:38,699 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:38,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:38,700 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:38,700 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:38,700 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:38,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:38,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:38,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:38,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:38,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 10:09:38,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:38,702 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:38,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:38,704 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:38,704 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:38,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:09:38,705 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:38,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:38,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:38,705 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:38,705 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:38,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 10:09:38,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:38,708 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:38,710 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:38,710 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:38,710 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:38,710 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:09:38,710 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:38,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:38,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:38,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:38,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:38,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 10:09:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:38,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:38,714 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:38,714 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:38,714 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:38,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:38,715 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:38,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:38,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:38,715 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:38,715 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:38,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 10:09:38,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:38,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:38,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:38,719 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:38,719 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:38,719 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:38,719 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:38,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:38,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:38,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:38,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:38,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-12 10:09:38,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:38,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:38,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:38,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:38,724 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:38,724 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:38,724 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:38,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:38,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:38,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:38,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:38,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-12 10:09:38,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:38,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:38,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:38,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:38,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:38,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:38,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:38,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:38,728 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:38,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:38,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:38,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-12 10:09:38,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:38,731 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:38,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:38,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:38,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:38,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:38,733 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:38,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:38,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:38,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:38,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:38,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 10:09:38,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:38,735 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:38,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:38,737 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:38,737 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:38,737 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:38,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:38,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:38,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:38,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:38,738 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:38,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-12 10:09:38,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:38,740 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:38,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:38,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:38,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:38,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:38,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:38,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:38,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:38,742 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:38,742 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:38,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-12 10:09:38,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:38,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:38,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:38,746 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:38,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:38,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:38,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:38,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:38,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:38,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:38,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:38,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-12 10:09:38,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:38,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:38,750 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:38,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:38,751 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:38,751 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:38,751 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:38,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:38,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:38,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:38,751 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:38,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-12 10:09:38,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:38,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:38,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:38,756 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:38,756 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:38,756 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:09:38,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:38,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:38,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:38,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:38,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:38,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-12 10:09:38,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:38,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:38,761 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:38,761 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:38,761 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:38,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:09:38,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:38,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:38,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:38,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:38,762 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:38,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-12 10:09:38,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:38,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:38,768 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:38,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:38,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:38,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:09:38,769 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:38,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:38,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:38,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:38,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:38,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-12 10:09:38,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:38,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:38,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:38,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:38,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:38,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:38,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:38,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:38,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:38,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:38,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:38,863 INFO L134 CoverageAnalysis]: Checked inductivity of 2062 backedges. 800 proven. 502 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2020-10-12 10:09:38,863 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [307051235] [2020-10-12 10:09:38,863 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:09:38,863 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2020-10-12 10:09:38,863 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178341804] [2020-10-12 10:09:38,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 50 states [2020-10-12 10:09:38,864 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:09:38,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2020-10-12 10:09:38,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=520, Invalid=1930, Unknown=0, NotChecked=0, Total=2450 [2020-10-12 10:09:38,865 INFO L87 Difference]: Start difference. First operand 221 states and 223 transitions. Second operand 50 states. [2020-10-12 10:09:42,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:09:42,742 INFO L93 Difference]: Finished difference Result 314 states and 337 transitions. [2020-10-12 10:09:42,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2020-10-12 10:09:42,743 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 217 [2020-10-12 10:09:42,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:09:42,746 INFO L225 Difference]: With dead ends: 314 [2020-10-12 10:09:42,746 INFO L226 Difference]: Without dead ends: 223 [2020-10-12 10:09:42,747 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2057 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=1585, Invalid=7345, Unknown=0, NotChecked=0, Total=8930 [2020-10-12 10:09:42,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2020-10-12 10:09:42,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2020-10-12 10:09:42,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-10-12 10:09:42,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 225 transitions. [2020-10-12 10:09:42,763 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 225 transitions. Word has length 217 [2020-10-12 10:09:42,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:09:42,763 INFO L479 AbstractCegarLoop]: Abstraction has 223 states and 225 transitions. [2020-10-12 10:09:42,763 INFO L480 AbstractCegarLoop]: Interpolant automaton has 50 states. [2020-10-12 10:09:42,763 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 225 transitions. [2020-10-12 10:09:42,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-10-12 10:09:42,765 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:09:42,765 INFO L422 BasicCegarLoop]: trace histogram [23, 22, 21, 21, 21, 20, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:09:42,766 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2020-10-12 10:09:42,766 INFO L427 AbstractCegarLoop]: === Iteration 43 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:09:42,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:09:42,766 INFO L82 PathProgramCache]: Analyzing trace with hash 426249019, now seen corresponding path program 41 times [2020-10-12 10:09:42,766 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:09:42,767 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1847838844] [2020-10-12 10:09:42,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:09:42,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:42,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:42,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:45,400 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:45,401 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 267 [2020-10-12 10:09:45,401 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:09:45,401 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2627 [2020-10-12 10:09:45,401 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:45,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 48 [2020-10-12 10:09:45,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:09:45,401 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 255 [2020-10-12 10:09:45,401 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:47,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:09:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:47,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:47,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:47,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:09:47,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:47,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:47,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:47,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:09:47,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:47,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:09:47,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:47,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 10:09:47,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:47,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:47,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:47,636 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:47,636 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:47,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:47,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:47,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:47,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:47,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:47,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:47,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-12 10:09:47,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:47,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:47,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:47,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:47,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:47,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:47,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:47,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:47,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:47,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:47,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:47,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 10:09:47,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:47,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:47,644 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:47,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:47,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:47,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:47,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:47,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:47,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:47,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:47,645 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:47,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-12 10:09:47,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:47,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:47,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:47,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:47,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:47,649 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:47,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:47,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:47,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:47,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:47,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:47,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 10:09:47,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:47,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:47,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:47,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:47,652 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:47,652 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:47,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:47,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:47,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:47,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:47,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:47,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 10:09:47,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:47,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:47,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:47,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:47,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:47,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:47,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:47,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:47,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:47,656 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:47,656 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:47,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-12 10:09:47,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:47,658 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:47,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:47,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:47,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:47,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:47,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:47,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:47,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:47,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:47,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:47,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-12 10:09:47,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:47,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:47,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:47,664 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:47,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:47,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:09:47,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:47,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:47,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:47,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:47,665 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:47,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-12 10:09:47,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:47,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:47,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:47,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:47,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:47,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:09:47,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:47,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:47,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:47,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:47,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:47,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-12 10:09:47,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:47,673 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:47,674 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:47,674 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:47,675 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:47,675 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:47,675 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:47,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:47,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:47,675 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:47,675 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:47,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-12 10:09:47,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:47,678 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:47,679 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:47,679 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:47,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:47,680 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:47,680 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:47,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:47,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:47,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:47,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:47,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-12 10:09:47,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:47,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:47,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:47,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:47,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:47,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:09:47,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:47,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:47,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:47,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:47,686 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:47,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-12 10:09:47,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:47,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:47,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:47,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:47,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:47,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:47,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:47,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:47,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:47,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:47,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:47,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-12 10:09:47,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:47,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:47,697 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:47,697 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:47,698 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:47,698 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:47,698 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:47,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:47,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:47,698 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:47,699 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:47,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-12 10:09:47,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:47,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:47,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:47,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:47,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:47,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:47,703 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:47,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:47,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:47,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:47,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:47,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-12 10:09:47,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:47,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:47,709 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:47,709 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:47,709 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:47,709 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:47,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:47,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:47,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:47,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:47,710 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:47,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-10-12 10:09:47,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:47,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:47,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:47,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:47,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:47,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:47,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:47,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:47,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:47,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:47,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:47,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-10-12 10:09:47,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:47,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:47,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:47,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:47,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:47,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:47,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:47,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:47,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:47,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:47,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:47,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-12 10:09:47,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:47,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:47,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:47,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:47,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:47,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:47,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:47,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:47,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:47,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:47,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:47,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-10-12 10:09:47,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:47,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:47,725 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:47,725 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:47,726 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:47,726 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:47,726 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:47,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:47,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:47,726 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:47,726 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:47,787 INFO L134 CoverageAnalysis]: Checked inductivity of 2106 backedges. 40 proven. 1304 refuted. 0 times theorem prover too weak. 762 trivial. 0 not checked. [2020-10-12 10:09:47,787 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1847838844] [2020-10-12 10:09:47,787 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:09:47,787 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2020-10-12 10:09:47,787 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350168604] [2020-10-12 10:09:47,788 INFO L459 AbstractCegarLoop]: Interpolant automaton has 50 states [2020-10-12 10:09:47,788 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:09:47,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2020-10-12 10:09:47,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=2353, Unknown=0, NotChecked=0, Total=2450 [2020-10-12 10:09:47,789 INFO L87 Difference]: Start difference. First operand 223 states and 225 transitions. Second operand 50 states. [2020-10-12 10:09:53,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:09:53,523 INFO L93 Difference]: Finished difference Result 235 states and 237 transitions. [2020-10-12 10:09:53,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-10-12 10:09:53,524 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 219 [2020-10-12 10:09:53,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:09:53,526 INFO L225 Difference]: With dead ends: 235 [2020-10-12 10:09:53,526 INFO L226 Difference]: Without dead ends: 233 [2020-10-12 10:09:53,528 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 322 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=206, Invalid=5494, Unknown=0, NotChecked=0, Total=5700 [2020-10-12 10:09:53,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2020-10-12 10:09:53,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 231. [2020-10-12 10:09:53,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2020-10-12 10:09:53,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 233 transitions. [2020-10-12 10:09:53,543 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 233 transitions. Word has length 219 [2020-10-12 10:09:53,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:09:53,544 INFO L479 AbstractCegarLoop]: Abstraction has 231 states and 233 transitions. [2020-10-12 10:09:53,544 INFO L480 AbstractCegarLoop]: Interpolant automaton has 50 states. [2020-10-12 10:09:53,544 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 233 transitions. [2020-10-12 10:09:53,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2020-10-12 10:09:53,545 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:09:53,546 INFO L422 BasicCegarLoop]: trace histogram [23, 22, 22, 22, 22, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:09:53,546 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42 [2020-10-12 10:09:53,546 INFO L427 AbstractCegarLoop]: === Iteration 44 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:09:53,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:09:53,546 INFO L82 PathProgramCache]: Analyzing trace with hash 493334642, now seen corresponding path program 42 times [2020-10-12 10:09:53,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:09:53,547 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1096865245] [2020-10-12 10:09:53,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:09:53,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:53,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:53,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:56,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:56,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 277 [2020-10-12 10:09:56,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:09:56,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2828 [2020-10-12 10:09:56,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:56,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-12 10:09:56,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:09:56,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 265 [2020-10-12 10:09:56,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:58,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:09:58,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:58,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:58,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:58,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:09:58,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:58,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:58,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:58,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:09:58,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:58,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:09:58,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:58,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-12 10:09:58,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:58,625 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:58,627 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:58,627 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:58,627 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:58,627 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:09:58,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:58,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:58,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:58,628 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:58,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:58,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 63 [2020-10-12 10:09:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:58,631 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:58,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:58,632 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:58,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:58,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:58,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:58,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:58,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:58,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:58,633 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:58,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-12 10:09:58,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:58,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:58,636 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:58,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:58,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:58,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:58,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:58,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:58,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:58,637 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:58,637 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:58,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-10-12 10:09:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:58,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:58,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:58,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:58,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:58,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:58,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:58,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:58,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:58,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:58,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:58,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-10-12 10:09:58,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:58,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:58,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:58,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:58,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:58,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:09:58,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:58,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:58,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:58,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:58,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:58,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-12 10:09:58,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:58,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:58,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:58,650 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:58,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:58,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:58,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:58,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:58,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:58,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:58,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:58,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-10-12 10:09:58,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:58,653 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:58,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:58,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:58,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:58,655 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:58,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:58,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:58,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:58,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:58,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:58,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2020-10-12 10:09:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:58,657 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:58,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:58,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:58,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:58,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:58,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:58,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:58,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:58,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:58,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:58,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 119 [2020-10-12 10:09:58,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:58,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:58,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:58,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:58,663 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:58,663 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:58,663 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:58,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:58,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:58,664 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:58,664 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:58,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-12 10:09:58,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:58,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:58,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:58,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:58,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:58,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:58,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:58,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:58,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:58,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:58,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:58,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-12 10:09:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:58,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:58,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:58,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:58,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:58,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:58,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:58,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:58,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:58,672 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:58,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:58,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-12 10:09:58,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:58,675 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:58,676 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:58,676 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:58,676 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:58,676 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:58,676 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:58,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:58,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:58,677 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:58,677 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:58,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-10-12 10:09:58,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:58,679 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:58,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:58,681 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:58,681 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:58,681 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:09:58,681 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:58,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:58,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:58,682 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:58,682 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:58,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-10-12 10:09:58,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:58,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:58,686 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:58,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:58,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:58,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:58,686 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:58,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:58,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:58,686 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:58,687 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:58,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-10-12 10:09:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:58,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:58,693 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:58,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:58,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:58,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:58,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:58,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:58,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:58,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:58,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:58,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-12 10:09:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:58,696 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:58,698 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:58,699 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:58,699 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:58,699 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:09:58,699 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:58,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:58,699 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:58,700 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:58,700 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:58,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2020-10-12 10:09:58,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:58,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:58,705 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:58,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:58,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:58,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:09:58,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:58,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:58,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:58,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:58,706 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:58,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2020-10-12 10:09:58,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:58,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:58,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:58,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:58,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:58,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:58,711 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:58,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:58,711 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:58,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:58,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:58,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-12 10:09:58,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:58,714 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:58,715 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:58,715 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:58,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:58,716 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:58,716 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:58,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:58,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:58,716 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:58,716 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:58,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2020-10-12 10:09:58,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:58,718 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:58,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:58,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:58,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:58,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:58,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:58,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:58,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:58,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:58,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:58,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2020-10-12 10:09:58,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:09:58,723 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:09:58,724 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:09:58,724 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:09:58,725 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:09:58,725 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:09:58,725 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:09:58,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:09:58,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:09:58,725 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:09:58,725 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:09:58,848 INFO L134 CoverageAnalysis]: Checked inductivity of 2270 backedges. 882 proven. 548 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2020-10-12 10:09:58,848 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1096865245] [2020-10-12 10:09:58,848 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:09:58,848 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52] total 52 [2020-10-12 10:09:58,848 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1513044244] [2020-10-12 10:09:58,849 INFO L459 AbstractCegarLoop]: Interpolant automaton has 52 states [2020-10-12 10:09:58,849 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:09:58,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2020-10-12 10:09:58,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=566, Invalid=2086, Unknown=0, NotChecked=0, Total=2652 [2020-10-12 10:09:58,850 INFO L87 Difference]: Start difference. First operand 231 states and 233 transitions. Second operand 52 states. [2020-10-12 10:10:03,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:10:03,858 INFO L93 Difference]: Finished difference Result 328 states and 352 transitions. [2020-10-12 10:10:03,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2020-10-12 10:10:03,860 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 227 [2020-10-12 10:10:03,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:10:03,862 INFO L225 Difference]: With dead ends: 328 [2020-10-12 10:10:03,862 INFO L226 Difference]: Without dead ends: 233 [2020-10-12 10:10:03,865 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2243 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=1725, Invalid=7977, Unknown=0, NotChecked=0, Total=9702 [2020-10-12 10:10:03,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2020-10-12 10:10:03,882 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2020-10-12 10:10:03,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2020-10-12 10:10:03,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 235 transitions. [2020-10-12 10:10:03,883 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 235 transitions. Word has length 227 [2020-10-12 10:10:03,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:10:03,884 INFO L479 AbstractCegarLoop]: Abstraction has 233 states and 235 transitions. [2020-10-12 10:10:03,884 INFO L480 AbstractCegarLoop]: Interpolant automaton has 52 states. [2020-10-12 10:10:03,884 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 235 transitions. [2020-10-12 10:10:03,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2020-10-12 10:10:03,885 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:10:03,885 INFO L422 BasicCegarLoop]: trace histogram [24, 23, 22, 22, 22, 21, 21, 21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:10:03,885 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2020-10-12 10:10:03,886 INFO L427 AbstractCegarLoop]: === Iteration 45 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:10:03,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:10:03,886 INFO L82 PathProgramCache]: Analyzing trace with hash -1226189577, now seen corresponding path program 43 times [2020-10-12 10:10:03,886 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:10:03,886 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1737557094] [2020-10-12 10:10:03,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:10:03,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:03,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:04,031 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:07,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:07,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 279 [2020-10-12 10:10:07,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:10:07,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3187 [2020-10-12 10:10:07,082 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:07,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 50 [2020-10-12 10:10:07,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:10:07,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 267 [2020-10-12 10:10:07,083 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:09,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:10:09,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:09,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:09,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:09,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:10:09,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:09,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:09,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:09,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:10:09,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:09,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:10:09,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:09,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 10:10:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:09,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:09,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:09,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:09,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:09,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:09,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:09,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:09,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:09,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:09,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:09,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 10:10:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:09,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:09,650 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:09,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:09,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:09,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:10:09,651 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:09,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:09,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:09,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:09,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:09,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 10:10:09,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:09,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:09,656 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:09,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:09,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:09,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:09,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:09,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:09,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:09,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:09,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:09,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-12 10:10:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:09,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:09,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:09,662 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:09,662 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:09,662 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:10:09,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:09,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:09,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:09,663 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:09,663 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:09,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 10:10:09,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:09,666 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:09,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:09,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:09,667 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:09,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:09,668 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:09,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:09,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:09,668 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:09,668 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:09,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-12 10:10:09,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:09,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:09,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:09,673 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:09,673 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:09,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:09,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:09,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:09,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:09,674 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:09,674 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:09,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 10:10:09,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:09,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:09,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:09,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:09,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:09,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:09,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:09,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:09,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:09,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:09,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:09,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 10:10:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:09,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:09,683 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:09,683 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:09,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:09,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:09,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:09,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:09,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:09,684 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:09,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:09,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 10:10:09,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:09,687 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:09,689 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:09,689 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:09,689 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:09,689 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:09,689 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:09,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:09,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:09,690 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:09,690 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:09,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 10:10:09,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:09,693 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:09,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:09,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:09,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:09,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:09,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:09,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:09,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:09,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:09,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:09,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-12 10:10:09,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:09,699 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:09,700 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:09,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:09,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:09,701 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:10:09,701 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:09,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:09,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:09,701 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:09,702 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:09,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 10:10:09,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:09,704 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:09,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:09,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:09,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:09,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:10:09,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:09,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:09,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:09,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:09,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:09,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-12 10:10:09,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:09,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:09,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:09,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:09,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:09,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:09,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:09,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:09,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:09,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:09,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:09,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-12 10:10:09,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:09,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:09,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:09,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:09,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:09,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:09,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:09,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:09,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:09,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:09,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:09,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-12 10:10:09,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:09,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:09,722 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:09,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:09,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:09,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:09,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:09,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:09,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:09,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:09,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:09,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-12 10:10:09,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:09,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:09,728 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:09,728 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:09,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:09,729 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:09,729 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:09,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:09,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:09,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:09,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:09,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 10:10:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:09,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:09,734 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:09,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:09,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:09,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:10:09,735 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:09,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:09,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:09,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:09,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:09,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-12 10:10:09,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:09,739 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:09,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:09,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:09,741 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:09,741 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:10:09,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:09,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:09,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:09,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:09,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:09,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-12 10:10:09,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:09,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:09,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:09,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:09,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:09,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:09,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:09,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:09,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:09,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:09,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:09,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-12 10:10:09,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:09,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:09,748 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:09,748 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:09,748 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:09,748 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:09,749 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:09,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:09,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:09,749 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:09,749 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:09,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-10-12 10:10:09,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:09,751 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:09,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:09,753 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:09,753 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:09,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:09,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:09,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:09,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:09,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:09,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:09,828 INFO L134 CoverageAnalysis]: Checked inductivity of 2316 backedges. 42 proven. 1432 refuted. 0 times theorem prover too weak. 842 trivial. 0 not checked. [2020-10-12 10:10:09,828 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1737557094] [2020-10-12 10:10:09,828 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:10:09,828 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52] total 52 [2020-10-12 10:10:09,829 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804788761] [2020-10-12 10:10:09,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 52 states [2020-10-12 10:10:09,829 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:10:09,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2020-10-12 10:10:09,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=2551, Unknown=0, NotChecked=0, Total=2652 [2020-10-12 10:10:09,830 INFO L87 Difference]: Start difference. First operand 233 states and 235 transitions. Second operand 52 states. [2020-10-12 10:10:16,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:10:16,555 INFO L93 Difference]: Finished difference Result 245 states and 247 transitions. [2020-10-12 10:10:16,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-10-12 10:10:16,556 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 229 [2020-10-12 10:10:16,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:10:16,558 INFO L225 Difference]: With dead ends: 245 [2020-10-12 10:10:16,558 INFO L226 Difference]: Without dead ends: 243 [2020-10-12 10:10:16,559 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 348 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=214, Invalid=5948, Unknown=0, NotChecked=0, Total=6162 [2020-10-12 10:10:16,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2020-10-12 10:10:16,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 241. [2020-10-12 10:10:16,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2020-10-12 10:10:16,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 243 transitions. [2020-10-12 10:10:16,576 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 243 transitions. Word has length 229 [2020-10-12 10:10:16,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:10:16,576 INFO L479 AbstractCegarLoop]: Abstraction has 241 states and 243 transitions. [2020-10-12 10:10:16,576 INFO L480 AbstractCegarLoop]: Interpolant automaton has 52 states. [2020-10-12 10:10:16,576 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 243 transitions. [2020-10-12 10:10:16,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2020-10-12 10:10:16,578 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:10:16,578 INFO L422 BasicCegarLoop]: trace histogram [24, 23, 23, 23, 23, 22, 22, 22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:10:16,578 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable44 [2020-10-12 10:10:16,578 INFO L427 AbstractCegarLoop]: === Iteration 46 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:10:16,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:10:16,578 INFO L82 PathProgramCache]: Analyzing trace with hash 1196555822, now seen corresponding path program 44 times [2020-10-12 10:10:16,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:10:16,579 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [936158263] [2020-10-12 10:10:16,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:10:16,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:16,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:16,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:19,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:19,653 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 289 [2020-10-12 10:10:19,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:10:19,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3067 [2020-10-12 10:10:19,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:19,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 52 [2020-10-12 10:10:19,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:10:19,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 277 [2020-10-12 10:10:19,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:22,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:10:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:22,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:22,800 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:22,801 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:10:22,801 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:22,801 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:22,801 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:22,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:10:22,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:22,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:10:22,802 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:22,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 10:10:22,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:22,803 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:22,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:22,805 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:22,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:22,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:22,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:22,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:22,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:22,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:22,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:22,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 10:10:22,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:22,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:22,808 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:22,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:22,809 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:22,809 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:22,809 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:22,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:22,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:22,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:22,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:22,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 10:10:22,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:22,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:22,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:22,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:22,812 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:22,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:22,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:22,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:22,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:22,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:22,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:22,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-12 10:10:22,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:22,815 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:22,816 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:22,816 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:22,816 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:22,816 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:22,816 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:22,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:22,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:22,817 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:22,817 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:22,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 10:10:22,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:22,819 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:22,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:22,820 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:22,820 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:22,820 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:22,820 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:22,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:22,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:22,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:22,821 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:22,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-12 10:10:22,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:22,822 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:22,823 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:22,824 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:22,824 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:22,824 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:22,824 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:22,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:22,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:22,824 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:22,824 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:22,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 10:10:22,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:22,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:22,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:22,828 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:22,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:22,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:22,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:22,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:22,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:22,828 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:22,828 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:22,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 10:10:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:22,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:22,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:22,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:22,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:22,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:22,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:22,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:22,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:22,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:22,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:22,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 10:10:22,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:22,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:22,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:22,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:22,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:22,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:22,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:22,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:22,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:22,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:22,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:22,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 10:10:22,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:22,837 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:22,838 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:22,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:22,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:22,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:22,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:22,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:22,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:22,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:22,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:22,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-12 10:10:22,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:22,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:22,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:22,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:22,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:22,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:22,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:22,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:22,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:22,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:22,843 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:22,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 10:10:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:22,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:22,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:22,846 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:22,846 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:22,846 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:22,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:22,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:22,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:22,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:22,846 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:22,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-12 10:10:22,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:22,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:22,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:22,849 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:22,849 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:22,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:22,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:22,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:22,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:22,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:22,850 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:22,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-12 10:10:22,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:22,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:22,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:22,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:22,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:22,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:22,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:22,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:22,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:22,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:22,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:22,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-12 10:10:22,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:22,856 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:22,857 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:22,857 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:22,857 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:22,857 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:22,857 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:22,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:22,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:22,858 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:22,858 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:22,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-12 10:10:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:22,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:22,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:22,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:22,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:22,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:22,861 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:22,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:22,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:22,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:22,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:22,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 10:10:22,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:22,865 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:22,866 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:22,867 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:22,867 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:22,867 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:22,867 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:22,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:22,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:22,868 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:22,868 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:22,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-12 10:10:22,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:22,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:22,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:22,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:22,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:22,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:22,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:22,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:22,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:22,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:22,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:22,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-12 10:10:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:22,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:22,878 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:22,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:22,879 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:22,879 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:10:22,879 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:22,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:22,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:22,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:22,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:22,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-12 10:10:22,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:22,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:22,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:22,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:22,883 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:22,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:22,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:22,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:22,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:22,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:22,884 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:22,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-10-12 10:10:22,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:22,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:22,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:22,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:22,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:22,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:22,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:22,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:22,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:22,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:22,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:22,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-10-12 10:10:22,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:22,891 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:22,892 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:22,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:22,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:22,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:22,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:22,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:22,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:22,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:22,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:22,968 INFO L134 CoverageAnalysis]: Checked inductivity of 2488 backedges. 44 proven. 1520 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2020-10-12 10:10:22,968 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [936158263] [2020-10-12 10:10:22,968 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:10:22,969 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54] total 54 [2020-10-12 10:10:22,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351625649] [2020-10-12 10:10:22,969 INFO L459 AbstractCegarLoop]: Interpolant automaton has 54 states [2020-10-12 10:10:22,969 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:10:22,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2020-10-12 10:10:22,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=2757, Unknown=0, NotChecked=0, Total=2862 [2020-10-12 10:10:22,972 INFO L87 Difference]: Start difference. First operand 241 states and 243 transitions. Second operand 54 states. [2020-10-12 10:10:30,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:10:30,374 INFO L93 Difference]: Finished difference Result 253 states and 255 transitions. [2020-10-12 10:10:30,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-10-12 10:10:30,376 INFO L78 Accepts]: Start accepts. Automaton has 54 states. Word has length 237 [2020-10-12 10:10:30,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:10:30,378 INFO L225 Difference]: With dead ends: 253 [2020-10-12 10:10:30,378 INFO L226 Difference]: Without dead ends: 251 [2020-10-12 10:10:30,379 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 349 ImplicationChecksByTransitivity, 4.9s TimeCoverageRelationStatistics Valid=217, Invalid=6263, Unknown=0, NotChecked=0, Total=6480 [2020-10-12 10:10:30,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2020-10-12 10:10:30,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 249. [2020-10-12 10:10:30,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2020-10-12 10:10:30,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 251 transitions. [2020-10-12 10:10:30,395 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 251 transitions. Word has length 237 [2020-10-12 10:10:30,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:10:30,396 INFO L479 AbstractCegarLoop]: Abstraction has 249 states and 251 transitions. [2020-10-12 10:10:30,396 INFO L480 AbstractCegarLoop]: Interpolant automaton has 54 states. [2020-10-12 10:10:30,396 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 251 transitions. [2020-10-12 10:10:30,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-10-12 10:10:30,397 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:10:30,398 INFO L422 BasicCegarLoop]: trace histogram [24, 24, 24, 24, 23, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:10:30,398 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable45 [2020-10-12 10:10:30,398 INFO L427 AbstractCegarLoop]: === Iteration 47 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:10:30,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:10:30,398 INFO L82 PathProgramCache]: Analyzing trace with hash -1070268315, now seen corresponding path program 45 times [2020-10-12 10:10:30,399 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:10:30,399 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [716082233] [2020-10-12 10:10:30,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:10:30,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:30,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:30,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:33,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:33,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 299 [2020-10-12 10:10:33,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:10:33,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3058 [2020-10-12 10:10:33,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:33,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 49 [2020-10-12 10:10:33,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:10:33,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 282 [2020-10-12 10:10:33,465 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:35,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:10:35,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:35,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:35,222 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:35,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:10:35,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:35,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:35,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:35,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:10:35,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:35,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:10:35,223 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:35,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 10:10:35,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:35,225 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:35,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:35,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:35,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:35,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:35,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:35,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:35,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:35,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:35,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:35,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 10:10:35,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:35,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:35,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:35,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:35,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:35,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:35,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:35,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:35,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:35,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:35,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:35,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2020-10-12 10:10:35,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:35,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:35,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:35,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:35,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:35,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:35,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:35,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:35,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:35,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:35,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:35,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-12 10:10:35,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:35,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:35,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:35,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:35,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:35,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:35,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:35,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:35,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:35,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:35,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:35,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-12 10:10:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:35,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:35,238 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:35,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:35,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:35,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:35,239 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:35,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:35,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:35,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:35,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:35,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-12 10:10:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:35,240 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:35,241 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:35,241 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:35,241 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:35,241 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:35,242 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:35,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:35,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:35,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:35,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:35,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-12 10:10:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:35,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:35,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:35,244 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:35,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:35,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:35,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:35,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:35,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:35,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:35,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:35,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2020-10-12 10:10:35,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:35,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:35,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:35,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:35,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:35,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:35,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:35,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:35,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:35,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:35,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:35,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-12 10:10:35,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:35,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:35,252 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:35,252 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:35,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:35,253 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:35,253 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:35,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:35,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:35,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:35,254 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:35,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-12 10:10:35,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:35,256 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:35,257 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:35,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:35,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:35,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:35,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:35,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:35,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:35,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:35,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:35,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-12 10:10:35,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:35,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:35,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:35,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:35,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:35,262 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:35,262 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:35,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:35,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:35,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:35,263 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:35,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2020-10-12 10:10:35,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:35,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:35,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:35,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:35,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:35,267 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:35,267 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:35,267 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:35,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:35,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:35,268 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:35,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-12 10:10:35,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:35,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:35,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:35,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:35,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:35,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:35,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:35,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:35,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:35,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:35,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:35,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-10-12 10:10:35,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:35,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:35,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:35,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:35,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:35,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:35,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:35,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:35,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:35,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:35,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:35,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-10-12 10:10:35,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:35,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:35,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:35,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:35,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:35,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:35,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:35,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:35,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:35,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:35,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:35,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2020-10-12 10:10:35,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:35,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:35,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:35,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:35,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:35,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:35,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:35,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:35,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:35,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:35,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:35,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 185 [2020-10-12 10:10:35,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:35,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:35,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:35,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:35,285 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:35,285 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:35,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:35,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:35,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:35,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:35,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:35,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-10-12 10:10:35,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:35,288 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:35,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:35,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:35,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:35,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:35,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:35,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:35,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:35,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:35,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:35,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2020-10-12 10:10:35,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:35,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:35,294 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:35,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:35,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:35,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:35,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:35,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:35,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:35,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:35,295 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:35,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-10-12 10:10:35,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:35,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:35,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:35,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:35,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:35,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:35,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:35,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:35,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:35,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:35,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:35,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-10-12 10:10:35,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:35,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:35,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:35,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:35,302 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:35,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:35,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:35,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:35,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:35,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:35,303 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:35,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2020-10-12 10:10:35,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:35,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:35,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:35,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:35,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:35,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:35,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:35,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:35,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:35,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:35,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:35,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2020-10-12 10:10:35,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:35,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:35,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:35,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:35,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:35,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:35,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:35,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:35,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:35,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:35,310 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:35,347 INFO L134 CoverageAnalysis]: Checked inductivity of 2668 backedges. 1015 proven. 641 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2020-10-12 10:10:35,348 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [716082233] [2020-10-12 10:10:35,348 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:10:35,348 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2020-10-12 10:10:35,348 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1737225028] [2020-10-12 10:10:35,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 51 states [2020-10-12 10:10:35,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:10:35,349 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2020-10-12 10:10:35,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=629, Invalid=1921, Unknown=0, NotChecked=0, Total=2550 [2020-10-12 10:10:35,349 INFO L87 Difference]: Start difference. First operand 249 states and 251 transitions. Second operand 51 states. [2020-10-12 10:10:38,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:10:38,164 INFO L93 Difference]: Finished difference Result 355 states and 381 transitions. [2020-10-12 10:10:38,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-10-12 10:10:38,165 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 245 [2020-10-12 10:10:38,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:10:38,167 INFO L225 Difference]: With dead ends: 355 [2020-10-12 10:10:38,167 INFO L226 Difference]: Without dead ends: 251 [2020-10-12 10:10:38,168 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 852 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=1227, Invalid=4175, Unknown=0, NotChecked=0, Total=5402 [2020-10-12 10:10:38,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2020-10-12 10:10:38,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2020-10-12 10:10:38,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2020-10-12 10:10:38,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 253 transitions. [2020-10-12 10:10:38,187 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 253 transitions. Word has length 245 [2020-10-12 10:10:38,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:10:38,187 INFO L479 AbstractCegarLoop]: Abstraction has 251 states and 253 transitions. [2020-10-12 10:10:38,187 INFO L480 AbstractCegarLoop]: Interpolant automaton has 51 states. [2020-10-12 10:10:38,188 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 253 transitions. [2020-10-12 10:10:38,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2020-10-12 10:10:38,189 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:10:38,189 INFO L422 BasicCegarLoop]: trace histogram [25, 24, 24, 24, 24, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:10:38,189 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable46 [2020-10-12 10:10:38,190 INFO L427 AbstractCegarLoop]: === Iteration 48 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:10:38,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:10:38,190 INFO L82 PathProgramCache]: Analyzing trace with hash -1938100822, now seen corresponding path program 46 times [2020-10-12 10:10:38,190 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:10:38,190 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2040993812] [2020-10-12 10:10:38,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:10:38,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:38,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:38,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:41,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:41,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 301 [2020-10-12 10:10:41,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:10:41,952 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3754 [2020-10-12 10:10:41,952 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:41,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-12 10:10:41,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:10:41,953 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 289 [2020-10-12 10:10:41,953 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:44,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:10:44,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:44,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:44,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:44,817 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:10:44,817 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:44,817 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:44,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:44,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:10:44,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:44,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:10:44,818 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:44,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-12 10:10:44,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:44,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:44,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:44,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:44,822 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:44,822 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:44,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:44,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:44,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:44,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:44,822 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:44,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-12 10:10:44,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:44,824 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:44,826 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:44,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:44,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:44,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:44,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:44,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:44,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:44,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:44,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:44,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-12 10:10:44,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:44,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:44,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:44,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:44,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:44,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:10:44,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:44,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:44,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:44,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:44,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:44,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-10-12 10:10:44,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:44,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:44,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:44,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:44,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:44,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:10:44,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:44,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:44,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:44,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:44,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:44,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-12 10:10:44,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:44,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:44,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:44,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:44,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:44,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:10:44,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:44,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:44,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:44,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:44,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:44,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-10-12 10:10:44,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:44,848 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:44,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:44,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:44,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:44,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:10:44,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:44,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:44,850 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:44,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:44,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:44,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 107 [2020-10-12 10:10:44,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:44,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:44,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:44,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:44,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:44,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:10:44,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:44,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:44,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:44,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:44,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:44,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2020-10-12 10:10:44,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:44,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:44,860 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:44,860 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:44,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:44,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:44,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:44,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:44,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:44,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:44,860 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:44,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 123 [2020-10-12 10:10:44,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:44,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:44,864 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:44,864 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:44,864 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:44,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:44,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:44,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:44,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:44,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:44,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:44,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2020-10-12 10:10:44,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:44,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:44,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:44,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:44,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:44,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:44,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:44,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:44,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:44,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:44,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:44,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-12 10:10:44,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:44,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:44,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:44,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:44,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:44,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:10:44,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:44,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:44,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:44,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:44,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:44,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-12 10:10:44,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:44,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:44,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:44,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:44,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:44,881 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:10:44,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:44,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:44,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:44,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:44,882 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:44,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2020-10-12 10:10:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:44,884 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:44,885 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:44,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:44,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:44,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:44,886 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:44,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:44,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:44,886 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:44,886 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:44,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2020-10-12 10:10:44,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:44,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:44,890 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:44,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:44,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:44,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:44,890 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:44,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:44,890 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:44,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:44,891 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:44,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-10-12 10:10:44,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:44,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:44,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:44,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:44,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:44,894 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:44,894 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:44,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:44,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:44,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:44,895 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:44,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-10-12 10:10:44,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:44,897 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:44,898 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:44,898 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:44,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:44,899 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:44,899 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:44,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:44,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:44,899 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:44,899 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:44,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-10-12 10:10:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:44,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:44,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:44,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:44,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:44,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:44,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:44,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:44,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:44,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:44,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:44,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-10-12 10:10:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:44,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:44,909 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:44,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:44,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:44,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-12 10:10:44,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:44,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:44,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:44,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:44,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:44,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-10-12 10:10:44,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:44,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:44,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:44,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:44,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:44,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:44,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:44,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:44,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:44,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:44,914 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:44,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-10-12 10:10:44,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:44,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:44,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:44,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:44,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:44,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:44,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:44,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:44,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:44,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:44,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:44,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2020-10-12 10:10:44,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:44,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:44,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:44,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:44,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:44,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:44,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:44,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:44,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:44,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:44,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:44,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-12 10:10:44,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:44,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:44,927 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:44,927 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:44,928 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:44,928 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:44,928 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:44,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:44,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:44,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:44,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:44,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2020-10-12 10:10:44,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:44,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:44,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:44,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:44,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:44,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:44,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:44,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:44,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:44,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:44,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:45,048 INFO L134 CoverageAnalysis]: Checked inductivity of 2716 backedges. 970 proven. 734 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2020-10-12 10:10:45,049 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2040993812] [2020-10-12 10:10:45,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:10:45,049 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56] total 56 [2020-10-12 10:10:45,049 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43979832] [2020-10-12 10:10:45,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 56 states [2020-10-12 10:10:45,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:10:45,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2020-10-12 10:10:45,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=643, Invalid=2437, Unknown=0, NotChecked=0, Total=3080 [2020-10-12 10:10:45,051 INFO L87 Difference]: Start difference. First operand 251 states and 253 transitions. Second operand 56 states. [2020-10-12 10:10:51,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 10:10:51,699 INFO L93 Difference]: Finished difference Result 356 states and 382 transitions. [2020-10-12 10:10:51,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2020-10-12 10:10:51,701 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 247 [2020-10-12 10:10:51,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 10:10:51,702 INFO L225 Difference]: With dead ends: 356 [2020-10-12 10:10:51,702 INFO L226 Difference]: Without dead ends: 253 [2020-10-12 10:10:51,704 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2590 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=1950, Invalid=9180, Unknown=0, NotChecked=0, Total=11130 [2020-10-12 10:10:51,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2020-10-12 10:10:51,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2020-10-12 10:10:51,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2020-10-12 10:10:51,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 255 transitions. [2020-10-12 10:10:51,723 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 255 transitions. Word has length 247 [2020-10-12 10:10:51,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 10:10:51,723 INFO L479 AbstractCegarLoop]: Abstraction has 253 states and 255 transitions. [2020-10-12 10:10:51,723 INFO L480 AbstractCegarLoop]: Interpolant automaton has 56 states. [2020-10-12 10:10:51,723 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 255 transitions. [2020-10-12 10:10:51,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2020-10-12 10:10:51,725 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 10:10:51,725 INFO L422 BasicCegarLoop]: trace histogram [26, 25, 24, 24, 24, 23, 23, 23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-12 10:10:51,726 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable47 [2020-10-12 10:10:51,726 INFO L427 AbstractCegarLoop]: === Iteration 49 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 10:10:51,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 10:10:51,726 INFO L82 PathProgramCache]: Analyzing trace with hash 1593482671, now seen corresponding path program 47 times [2020-10-12 10:10:51,726 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 10:10:51,726 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1018955202] [2020-10-12 10:10:51,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 10:10:51,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:51,736 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:51,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:55,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:55,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 303 [2020-10-12 10:10:55,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 10:10:55,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3755 [2020-10-12 10:10:55,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:55,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 54 [2020-10-12 10:10:55,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 10:10:55,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 291 [2020-10-12 10:10:55,490 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:59,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 10:10:59,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:59,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:59,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:59,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 10:10:59,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:59,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:59,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:59,154 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 10:10:59,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:59,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 10:10:59,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:59,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-12 10:10:59,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:59,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:59,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:59,159 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:59,159 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:59,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:59,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:59,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:59,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:59,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:59,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:59,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-12 10:10:59,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:59,162 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:59,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:59,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:59,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:59,164 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:59,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:59,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:59,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:59,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:59,165 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:59,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-10-12 10:10:59,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:59,167 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:59,169 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:59,169 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:59,169 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:59,170 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:59,170 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:59,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:59,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:59,170 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:59,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:59,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2020-10-12 10:10:59,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:59,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:59,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:59,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:59,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:59,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:59,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:59,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:59,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:59,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:59,175 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:59,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-12 10:10:59,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:59,178 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:59,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:59,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:59,180 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:59,180 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:59,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:59,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:59,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:59,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:59,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:59,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 101 [2020-10-12 10:10:59,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:59,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:59,183 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:59,183 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:59,183 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:59,183 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:59,184 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:59,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:59,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:59,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:59,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:59,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-12 10:10:59,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:59,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:59,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:59,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:59,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:59,187 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:59,187 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:59,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:59,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:59,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:59,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:59,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-10-12 10:10:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:59,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:59,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:59,190 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:59,190 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:59,190 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:59,190 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:59,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:59,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:59,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:59,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:59,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-12 10:10:59,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:59,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:59,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:59,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:59,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:59,194 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:59,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:59,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:59,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:59,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:59,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:59,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-10-12 10:10:59,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:59,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:59,197 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:59,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:59,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:59,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:59,197 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:59,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:59,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:59,198 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:59,198 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:59,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-10-12 10:10:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:59,199 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:59,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:59,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:59,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:59,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:59,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:59,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:59,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:59,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:59,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:59,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-12 10:10:59,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:59,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:59,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:59,206 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:59,206 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:59,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:59,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:59,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:59,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:59,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:59,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:59,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-10-12 10:10:59,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:59,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:59,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:59,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:59,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:59,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:59,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:59,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:59,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:59,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:59,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:59,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-12 10:10:59,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:59,211 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:59,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:59,212 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:59,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:59,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:59,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:59,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:59,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:59,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:59,213 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:59,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-10-12 10:10:59,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:59,215 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:59,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:59,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:59,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:59,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:59,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:59,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:59,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:59,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:59,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:59,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2020-10-12 10:10:59,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:59,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:59,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:59,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:59,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:59,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:59,220 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:59,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:59,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:59,220 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:59,221 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:59,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-12 10:10:59,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:59,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:59,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:59,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:59,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:59,224 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:59,224 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:59,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:59,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:59,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:59,225 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:59,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2020-10-12 10:10:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:59,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:59,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:59,228 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:59,228 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:59,228 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:59,228 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:59,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:59,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:59,228 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:59,229 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:59,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-10-12 10:10:59,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:59,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:59,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:59,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:59,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:59,232 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:59,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:59,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:59,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:59,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:59,232 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:59,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2020-10-12 10:10:59,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:59,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:59,235 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:59,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:59,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:59,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:59,236 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:59,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:59,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:59,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:59,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:59,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-10-12 10:10:59,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:59,238 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:59,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:59,240 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:59,240 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:59,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:59,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:59,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:59,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:59,240 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:59,240 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:59,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2020-10-12 10:10:59,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:59,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:59,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:59,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:59,244 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:59,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:59,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:59,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:59,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:59,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:59,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:59,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-10-12 10:10:59,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 10:10:59,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 10:10:59,247 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 10:10:59,247 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 10:10:59,247 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 10:10:59,248 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-12 10:10:59,248 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 10:10:59,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 10:10:59,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 10:10:59,248 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-12 10:10:59,248 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 10:10:59,326 INFO L134 CoverageAnalysis]: Checked inductivity of 2766 backedges. 46 proven. 1706 refuted. 0 times theorem prover too weak. 1014 trivial. 0 not checked. [2020-10-12 10:10:59,326 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1018955202] [2020-10-12 10:10:59,326 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-12 10:10:59,327 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56] total 56 [2020-10-12 10:10:59,327 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926490050] [2020-10-12 10:10:59,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 56 states [2020-10-12 10:10:59,327 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 10:10:59,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2020-10-12 10:10:59,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=2971, Unknown=0, NotChecked=0, Total=3080 [2020-10-12 10:10:59,328 INFO L87 Difference]: Start difference. First operand 253 states and 255 transitions. Second operand 56 states.